/* ========================================================================== */
/* 01 — Optical Circular Series Hero v1.5.0 */
/* Extracted from current Elementor widget — Stage 3F. */
/* ========================================================================== */

/*
===============================================================================
YUBEEN OPTICS — OPTICAL CIRCULAR SERIES HERO STYLESHEET
===============================================================================

版本：
v1.5.0

命名空间：
ybn-och5-

设计：
1. 暖白浅色背景。
2. 中央卡片最大，两侧沿浅弧线排列。
3. 桌面使用浅弧形互动，并保留真实卡片间距。
4. 手机降级为原生横向 Scroll Snap，确保所有系列可访问。
5. 不使用固定 100vh，避免高缩放裁切。
===============================================================================
*/


/*
===============================================================================
01. ROOT AND VARIABLES
===============================================================================
*/

.ybn-och5 {
  --ybn-och5-red: #ed2228;
  --ybn-och5-red-deep: #d91c23;

  --ybn-och5-bg: #f5f2ed;
  --ybn-och5-bg-soft: #fbfaf7;
  --ybn-och5-panel: #ffffff;

  --ybn-och5-ink: #151619;
  --ybn-och5-copy: #656870;
  --ybn-och5-muted: #8a8d94;

  --ybn-och5-border:
    rgba(20, 22, 26, 0.10);

  --ybn-och5-shell-width: 1560px;

  /*
  Solid Light Header 位于正常文档流中，首屏不再叠加深色渐变。
  当前值保持 0px。
  */
  --ybn-och5-header-clearance: 0px;

  /*
  当前页面应使用 Solid Light Header。
  Header 位于正常文档流中，因此这里不再重复预留 86px。
  */

  --ybn-och5-placeholder-rotation: 0deg;

  --ybn-och5-placeholder-image-scale: 1.34;

  position: relative;
  isolation: isolate;

  width: 100%;
  min-height: 0;

  scroll-margin-top: 96px;

  overflow: hidden;

  color:
    var(--ybn-och5-ink);

  background:
    radial-gradient(
      circle at 88% 17%,
      rgba(237, 34, 40, 0.045),
      transparent 28%
    ),
    linear-gradient(
      145deg,
      #fbfaf7 0%,
      #f5f2ed 100%
    );

  font-family: inherit;
}


.ybn-och5 *,
.ybn-och5 *::before,
.ybn-och5 *::after {
  box-sizing: border-box;
}


.ybn-och5 h1,
.ybn-och5 p {
  margin-top: 0;
}


.ybn-och5 a {
  color: inherit;
  text-decoration: none;
}


.ybn-och5 button {
  font: inherit;
}


/*
===============================================================================
02. BACKGROUND
===============================================================================
*/

.ybn-och5-background {
  position: absolute;
  inset: 0;
  z-index: -1;

  overflow: hidden;
  pointer-events: none;
}


.ybn-och5-glow {
  position: absolute;

  border-radius: 50%;

  filter:
    blur(145px);

  pointer-events: none;
}


.ybn-och5-glow--red {
  right: -230px;
  top: 11%;

  width: 560px;
  height: 560px;

  opacity: 0.12;

  background:
    rgba(237, 34, 40, 0.44);
}


.ybn-och5-glow--neutral {
  left: 18%;
  bottom: -370px;

  width: 760px;
  height: 760px;

  opacity: 0.42;

  background:
    rgba(255, 255, 255, 0.98);
}


/*
===============================================================================
03. SHELL AND HEADER
===============================================================================
*/

.ybn-och5-shell {
  width:
    min(
      100%,
      var(--ybn-och5-shell-width)
    );

  margin-inline: auto;

  padding:
    clamp(54px, 5vw, 78px)
    clamp(22px, 4vw, 62px)
    clamp(34px, 3vw, 50px);
}


.ybn-och5-header {
  display: grid;

  grid-template-columns:
    minmax(0, 1.25fr)
    minmax(340px, 0.75fr);

  align-items: end;

  gap:
    clamp(38px, 7vw, 118px);

  margin-bottom:
    clamp(46px, 4.6vw, 70px);
}


.ybn-och5-eyebrow {
  display: flex;
  align-items: center;

  gap: 12px;

  margin-bottom: 16px;

  color:
    var(--ybn-och5-red);

  font-size: 10px;
  font-weight: 760;
  line-height: 1;
  letter-spacing: 0.19em;
  text-transform: uppercase;
}


.ybn-och5-eyebrow > span {
  width: 32px;
  height: 1px;

  background:
    currentColor;
}


.ybn-och5-heading {
  max-width: 900px;

  margin-bottom: 0;

  color:
    var(--ybn-och5-ink);

  font-size:
    clamp(54px, 6.3vw, 98px);

  font-weight: 680;
  line-height: 0.92;
  letter-spacing: -0.062em;

  text-wrap: balance;
}


.ybn-och5-heading > span {
  display: block;

  color:
    var(--ybn-och5-red);
}


.ybn-och5-header__aside {
  max-width: 520px;

  padding-bottom: 8px;
}


.ybn-och5-description {
  margin-bottom: 22px;

  color:
    var(--ybn-och5-copy);

  font-size:
    clamp(14.5px, 1.05vw, 17px);

  line-height: 1.72;
}


.ybn-och5-instructions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;

  gap: 8px 11px;

  padding-top: 0;
}


.ybn-och5-instructions > span {
  color:
    #777a81;

  font-size: 9px;
  font-weight: 650;
  line-height: 1.3;
}


.ybn-och5-instructions > i {
  width: 3px;
  height: 3px;

  border-radius: 50%;

  background:
    var(--ybn-och5-red);
}




.ybn-och5-header-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;

  gap: 14px 28px;

  margin-top: 24px;
}


.ybn-och5-header-link {
  position: relative;

  display: inline-flex;
  align-items: center;

  gap: 10px;

  padding: 4px 0 7px;

  color: #2b2d31;

  font-size: 11px;
  font-weight: 690;
  line-height: 1;

  transition:
    color 190ms ease;
}


.ybn-och5-header-link::after {
  content: "";

  position: absolute;

  left: 0;
  right: 0;
  bottom: 0;

  height: 1px;

  background:
    rgba(20, 22, 26, 0.24);

  transform-origin: left center;

  transition:
    background 190ms ease,
    transform 190ms ease;
}


.ybn-och5-header-link:hover,
.ybn-och5-header-link:focus-visible {
  color:
    var(--ybn-och5-red);

  outline: none;
}


.ybn-och5-header-link:hover::after,
.ybn-och5-header-link:focus-visible::after {
  background:
    var(--ybn-och5-red);

  transform:
    scaleX(0.72);
}


.ybn-och5-header-link > span:last-child {
  transition:
    transform 190ms ease;
}


.ybn-och5-header-link:hover > span:last-child,
.ybn-och5-header-link:focus-visible > span:last-child {
  transform:
    translate(3px, -2px);
}


/*
===============================================================================
04. GALLERY WRAPPER
===============================================================================
*/

.ybn-och5-gallery {
  --ybn-och5-card-width:
    clamp(222px, 16.2vw, 266px);

  --ybn-och5-card-height:
    clamp(410px, 29vw, 474px);

  position: relative;

  padding: 0;

  overflow: visible;

  border: 0;
  border-radius: 0;

  background: transparent;

  box-shadow: none;

  outline: none;
}


.ybn-och5-gallery::before {
  content: "";

  position: absolute;

  left: 9%;
  right: 9%;
  bottom: 66px;

  height: 90px;

  border-radius: 50%;

  background:
    radial-gradient(
      ellipse,
      rgba(44, 36, 30, 0.10) 0%,
      rgba(44, 36, 30, 0.035) 42%,
      transparent 72%
    );

  filter:
    blur(22px);

  pointer-events: none;
}


.ybn-och5-gallery:focus-visible {
  outline:
    2px solid
    rgba(237, 34, 40, 0.24);

  outline-offset: 12px;
}


.ybn-och5-gallery__viewport {
  position: relative;

  /*
  画廊突破 1560px 内容 Shell，延伸到浏览器左右两侧。
  卡片仍以浏览器中心为圆弧中心。
  */
  width: 100vw;

  height:
    clamp(510px, 36.5vw, 600px);

  margin-left:
    calc(50% - 50vw);

  overflow: hidden;

  cursor: grab;

  touch-action: pan-y;

  user-select: none;

  /*
  关键修正：
  左右边缘不是硬裁切，而是逐步透明。
  - 0%—2%：完全透明
  - 8.5%以后：完全显示
  */
  -webkit-mask-image:
    linear-gradient(
      90deg,
      transparent 0%,
      rgba(0, 0, 0, 0.16) 3%,
      #000 10.5%,
      #000 89.5%,
      rgba(0, 0, 0, 0.16) 97%,
      transparent 100%
    );

  mask-image:
    linear-gradient(
      90deg,
      transparent 0%,
      rgba(0, 0, 0, 0.16) 3%,
      #000 10.5%,
      #000 89.5%,
      rgba(0, 0, 0, 0.16) 97%,
      transparent 100%
    );
}


.ybn-och5-gallery.is-dragging
.ybn-och5-gallery__viewport {
  cursor: grabbing;
}


.ybn-och5-gallery__track {
  position: absolute;
  inset: 0;

  perspective: 1380px;

  transform-style: preserve-3d;
}


/*
===============================================================================
05. GALLERY CARD
===============================================================================
*/

.ybn-och5-card {
  --ybn-och5-x: 0px;
  --ybn-och5-y: 0px;
  --ybn-och5-rotate: 0deg;
  --ybn-och5-scale: 1;
  --ybn-och5-opacity: 1;
  --ybn-och5-copy-opacity: 1;
  --ybn-och5-z: 10;

  position: absolute;

  left: 50%;
  top: 10px;

  z-index:
    var(--ybn-och5-z);

  width:
    var(--ybn-och5-card-width);

  height:
    var(--ybn-och5-card-height);

  opacity:
    var(--ybn-och5-opacity);

  background: transparent;

  transform:
    translate3d(
      calc(
        -50% +
        var(--ybn-och5-x)
      ),
      var(--ybn-och5-y),
      0
    )
    rotate(
      var(--ybn-och5-rotate)
    )
    scale(
      var(--ybn-och5-scale)
    );

  transform-origin:
    50% 126%;

  will-change:
    transform,
    opacity;
}


.ybn-och5-card__product {
  width: 100%;
  height: 100%;

  display: grid;

  grid-template-rows:
    minmax(0, 1fr)
    auto;

  gap:
    clamp(15px, 1.3vw, 21px);

  color:
    var(--ybn-och5-ink);

  outline: none;
}


.ybn-och5-card__media {
  position: relative;

  min-height: 0;

  display: grid;
  place-items: center;

  padding:
    clamp(24px, 2vw, 34px)
    clamp(22px, 1.8vw, 30px);

  overflow: hidden;

  border:
    1px solid
    rgba(20, 22, 26, 0.085);

  border-radius:
    clamp(18px, 1.5vw, 24px);

  background:
    linear-gradient(
      150deg,
      rgba(255, 255, 255, 0.98) 0%,
      rgba(247, 244, 239, 0.98) 100%
    );

  box-shadow:
    0 18px 42px
    rgba(31, 27, 24, 0.105);

  transition:
    border-color 220ms ease,
    box-shadow 220ms ease,
    transform 260ms
      cubic-bezier(0.2, 0.72, 0.2, 1);
}


.ybn-och5-card[data-ybn-och5-active="true"]
.ybn-och5-card__media {
  box-shadow:
    0 26px 58px
    rgba(31, 27, 24, 0.135);
}


.ybn-och5-card__media::before {
  content: "";

  position: absolute;

  left: 50%;
  top: 52%;

  width: 92%;
  height: 74%;

  border-radius: 50%;

  background:
    radial-gradient(
      ellipse,
      rgba(237, 34, 40, 0.095) 0%,
      rgba(237, 34, 40, 0.025) 48%,
      transparent 73%
    );

  transform:
    translate(-50%, -50%);

  pointer-events: none;
}


.ybn-och5-card__open {
  position: absolute;

  top: 16px;
  right: 16px;

  z-index: 4;

  width: 36px;
  height: 36px;

  display: grid;
  place-items: center;

  border:
    1px solid
    rgba(20, 22, 26, 0.10);

  border-radius: 50%;

  color:
    #37393e;

  background:
    rgba(255, 255, 255, 0.72);

  opacity: 0;

  transform:
    translateY(5px);

  transition:
    color 190ms ease,
    background 190ms ease,
    opacity 190ms ease,
    transform 190ms ease;
}


.ybn-och5-card__product:hover
.ybn-och5-card__open,
.ybn-och5-card__product:focus-visible
.ybn-och5-card__open {
  opacity: 1;

  transform:
    translateY(0);
}


.ybn-och5-card__product:hover
.ybn-och5-card__open,
.ybn-och5-card__product:focus-visible
.ybn-och5-card__open {
  color: #ffffff;

  background:
    var(--ybn-och5-red);
}



.ybn-och5-card__float {
  position: relative;
  z-index: 2;

  width: 100%;
  height: 100%;

  display: grid;
  place-items: center;

  transform-origin: 50% 62%;

  animation:
    ybn-och5-product-float
    var(--ybn-och5-float-duration, 6.4s)
    ease-in-out
    var(--ybn-och5-float-delay, 0s)
    infinite;
}


@keyframes ybn-och5-product-float {

  0%,
  100% {
    transform:
      translate3d(0, 2px, 0)
      rotate(-0.16deg);
  }

  35% {
    transform:
      translate3d(0, -3px, 0)
      rotate(0.10deg);
  }

  68% {
    transform:
      translate3d(0, -1px, 0)
      rotate(0.18deg);
  }

}


.ybn-och5-card__image {
  position: relative;
  z-index: 2;

  width: auto;
  height:
    clamp(240px, 20.5vw, 312px);

  max-width: 76%;
  max-height: 88%;

  object-fit: contain;
  object-position: center;

  transform:
    rotate(
      var(--ybn-och5-placeholder-rotation)
    )
    scale(
      var(--ybn-och5-placeholder-image-scale)
    );

  filter:
    drop-shadow(
      0 24px 20px
      rgba(20, 18, 16, 0.21)
    );

  transition:
    transform 280ms
      cubic-bezier(0.2, 0.72, 0.2, 1),
    filter 220ms ease;

  pointer-events: none;
}


.ybn-och5-card__product:hover
.ybn-och5-card__media,
.ybn-och5-card__product:focus-visible
.ybn-och5-card__media {
  border-color:
    rgba(237, 34, 40, 0.18);

  box-shadow:
    0 30px 64px
    rgba(31, 27, 24, 0.15);

  transform:
    translateY(-5px);
}


.ybn-och5-card__product:hover
.ybn-och5-card__image,
.ybn-och5-card__product:focus-visible
.ybn-och5-card__image {
  transform:
    rotate(
      var(--ybn-och5-placeholder-rotation)
    )
    scale(1.39);

  filter:
    drop-shadow(
      0 28px 23px
      rgba(20, 18, 16, 0.24)
    );
}


.ybn-och5-card__content {
  min-width: 0;

  padding:
    0
    8px;

  /*
  产品画面在左右边缘继续作为“还有更多内容”的提示，
  但系列名称和型号文字会比画面更早渐隐，
  避免出现半截文字，看起来像排版错误。
  */
  opacity:
    var(--ybn-och5-copy-opacity, 1);

  transition:
    opacity 150ms linear;
}


.ybn-och5-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;

  gap: 12px;

  margin-bottom: 8px;
}


.ybn-och5-card__index {
  color:
    #989ba2;

  font-size: 9px;
  font-weight: 720;
  line-height: 1;
  letter-spacing: 0.12em;
}


.ybn-och5-card__series {
  color:
    var(--ybn-och5-red);

  font-size: 8.5px;
  font-weight: 760;
  line-height: 1;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}


.ybn-och5-card__model {
  margin-bottom: 0;

  color:
    var(--ybn-och5-ink);

  font-size:
    clamp(18px, 1.35vw, 22px);

  font-weight: 680;
  line-height: 1.08;
  letter-spacing: -0.035em;

  overflow-wrap: anywhere;

  transition:
    color 190ms ease;
}


.ybn-och5-card__product:hover
.ybn-och5-card__model,
.ybn-och5-card__product:focus-visible
.ybn-och5-card__model {
  color:
    var(--ybn-och5-red);
}


/*
===============================================================================
06. GALLERY FOOTER
===============================================================================
*/

.ybn-och5-gallery__footer {
  min-height: 60px;

  display: grid;

  grid-template-columns:
    minmax(320px, 1fr)
    auto
    minmax(110px, 1fr);

  align-items: center;

  gap: 24px;

  margin-top: 12px;
  padding: 0 4px;
}


.ybn-och5-current {
  min-width: 0;

  display: flex;
  align-items: center;

  gap: 14px;
}


.ybn-och5-current__number {
  flex: 0 0 auto;

  color:
    var(--ybn-och5-red);

  font-size: 10px;
  font-weight: 760;
  line-height: 1;
  letter-spacing: 0.10em;
}


.ybn-och5-current__copy {
  min-width: 0;

  display: grid;

  gap: 3px;
}


.ybn-och5-current strong {
  overflow: hidden;

  color:
    #2b2c30;

  font-size: 11px;
  font-weight: 700;
  line-height: 1.2;

  text-overflow: ellipsis;
  white-space: nowrap;
}


.ybn-och5-current small {
  overflow: hidden;

  color:
    #85888f;

  font-size: 9px;
  font-weight: 590;
  line-height: 1.2;

  text-overflow: ellipsis;
  white-space: nowrap;
}


.ybn-och5-current__browse {
  position: relative;

  flex: 0 0 auto;

  display: inline-flex;
  align-items: center;

  gap: 8px;

  margin-left: 8px;
  padding: 3px 0 6px;

  color:
    #62656c;

  font-size: 9.5px;
  font-weight: 680;
  line-height: 1;

  transition:
    color 190ms ease;
}


.ybn-och5-current__browse::after {
  content: "";

  position: absolute;

  left: 0;
  right: 0;
  bottom: 0;

  height: 1px;

  background:
    rgba(20, 22, 26, 0.20);

  transition:
    background 190ms ease,
    transform 190ms ease;
}


.ybn-och5-current__browse:hover,
.ybn-och5-current__browse:focus-visible {
  color:
    var(--ybn-och5-red);

  outline: none;
}


.ybn-och5-current__browse:hover::after,
.ybn-och5-current__browse:focus-visible::after {
  background:
    var(--ybn-och5-red);

  transform:
    scaleX(0.76);
}


.ybn-och5-dots {
  display: flex;
  align-items: center;
  justify-content: center;

  gap: 7px;
}


.ybn-och5-dot {
  width: 6px;
  height: 6px;

  padding: 0;

  border:
    1px solid
    rgba(20, 22, 26, 0.25);

  border-radius: 50%;

  background: transparent;

  cursor: pointer;

  transition:
    width 190ms ease,
    border-color 190ms ease,
    background 190ms ease,
    box-shadow 190ms ease;
}


.ybn-och5-dot:hover,
.ybn-och5-dot:focus-visible {
  border-color:
    var(--ybn-och5-red);

  outline: none;
}


.ybn-och5-dot[aria-current="true"] {
  width: 20px;

  border-color:
    var(--ybn-och5-red);

  border-radius: 999px;

  background:
    var(--ybn-och5-red);

  box-shadow:
    0 0 0 4px
    rgba(237, 34, 40, 0.07);
}


.ybn-och5-controls {
  display: flex;
  justify-content: flex-end;

  gap: 6px;
}


.ybn-och5-control {
  width: 43px;
  height: 43px;

  display: grid;
  place-items: center;

  padding: 0;

  border: 0;
  border-radius: 50%;

  color:
    #303136;

  background:
    rgba(255, 255, 255, 0.62);

  box-shadow:
    0 9px 24px
    rgba(35, 30, 26, 0.075);

  cursor: pointer;

  font-size: 16px;

  transition:
    color 190ms ease,
    background 190ms ease,
    box-shadow 190ms ease,
    transform 190ms ease;
}


.ybn-och5-control:hover,
.ybn-och5-control:focus-visible {
  color: #ffffff;

  background:
    var(--ybn-och5-red);

  box-shadow:
    0 12px 28px
    rgba(237, 34, 40, 0.18);

  outline: none;

  transform:
    translateY(-2px);
}


/*
===============================================================================
09. REVEAL
===============================================================================
*/

.ybn-och5.is-enhanced
[data-ybn-och5-reveal] {
  opacity: 0;

  transform:
    translateY(15px);

  transition:
    opacity 650ms
      cubic-bezier(0.2, 0.72, 0.2, 1),
    transform 650ms
      cubic-bezier(0.2, 0.72, 0.2, 1);
}


.ybn-och5.is-enhanced
[data-ybn-och5-reveal].is-visible {
  opacity: 1;

  transform:
    translateY(0);
}


/*
===============================================================================
10. MEDIUM DESKTOP
===============================================================================
*/

@media (max-width: 1160px) {

  .ybn-och5-gallery {
    --ybn-och5-card-width:
      clamp(208px, 20vw, 240px);

    --ybn-och5-card-height:
      clamp(392px, 35vw, 442px);
  }


  .ybn-och5-header {
    grid-template-columns:
      minmax(0, 1.05fr)
      minmax(320px, 0.95fr);

    gap: 46px;
  }


  .ybn-och5-heading {
    font-size:
      clamp(51px, 7.3vw, 82px);
  }

}


/*
===============================================================================
11. TABLET / HIGH ZOOM
===============================================================================
*/

@media (max-width: 900px) {

  .ybn-och5-shell {
    padding-top: 48px;
  }


  .ybn-och5-header {
    grid-template-columns: 1fr;

    gap: 28px;

    margin-bottom: 58px;
  }


  .ybn-och5-header__aside {
    max-width: 680px;
  }


  .ybn-och5-gallery__footer {
    grid-template-columns:
      1fr
      auto;

    gap: 18px;
  }


  .ybn-och5-dots {
    grid-column:
      1 / -1;

    grid-row: 2;
  }


  .ybn-och5-controls {
    grid-column: 2;
    grid-row: 1;
  }

}


/*
===============================================================================
12. MOBILE — NATIVE HORIZONTAL GALLERY
===============================================================================
*/

@media (max-width: 767px) {

  .ybn-och5-shell {
    padding:
      42px
      14px
      42px;
  }


  .ybn-och5-heading {
    font-size:
      clamp(46px, 13.3vw, 61px);
  }


  .ybn-och5-instructions {
    display: none;
  }


  .ybn-och5-header-links {
    margin-top: 20px;
  }


  .ybn-och5-gallery {
    --ybn-och5-card-width:
      min(80vw, 318px);

    --ybn-och5-card-height:
      472px;

    overflow: hidden;
  }


  .ybn-och5-gallery::before {
    left: 3%;
    right: 3%;
    bottom: 78px;
  }


  .ybn-och5-gallery__viewport {
    height: auto;

    margin-inline: -14px;

    padding-inline: 14px;

    overflow-x: auto;
    overflow-y: hidden;

    cursor: auto;

    scroll-snap-type:
      x mandatory;

    scrollbar-width: none;

    touch-action: pan-x pan-y;

    width: auto;

    margin-left: -16px;
    margin-right: -16px;

    -webkit-mask-image: none;
    mask-image: none;
  }


  .ybn-och5-gallery__viewport::-webkit-scrollbar {
    display: none;
  }


  .ybn-och5-gallery__track {
    position: relative;
    inset: auto;

    width: max-content;

    display: flex;

    gap: 18px;

    padding:
      8px
      0
      28px;

    perspective: none;
  }


  .ybn-och5-card__content {
    opacity: 1 !important;
  }


  .ybn-och5-card {
    position: relative;

    left: auto;
    top: auto;

    flex: 0 0
      var(--ybn-och5-card-width);

    width:
      var(--ybn-och5-card-width);

    height:
      var(--ybn-och5-card-height);

    opacity: 1 !important;

    scroll-snap-align: center;
    scroll-snap-stop: always;

    transform: none !important;
  }


  .ybn-och5-card__open {
    opacity: 1;
  }


  .ybn-och5-gallery__footer {
    grid-template-columns:
      minmax(0, 1fr);

    gap: 18px;

    margin-top: 12px;
  }


  .ybn-och5-dots,
  .ybn-och5-controls {
    display: none;
  }


  .ybn-och5-current {
    align-items: flex-start;
    flex-wrap: wrap;
  }


  .ybn-och5-current__browse {
    flex-basis: 100%;

    width: max-content;

    margin:
      4px
      0
      0;
  }

}


/*
===============================================================================
13. SMALL MOBILE
===============================================================================
*/

@media (max-width: 430px) {

  .ybn-och5-gallery {
    --ybn-och5-card-width:
      min(84vw, 310px);

    --ybn-och5-card-height:
      456px;
  }


  .ybn-och5-card__image {
    height: 286px;
  }

}


/*
===============================================================================
14. ACCESSIBILITY
===============================================================================
*/

@media (hover: none), (pointer: coarse) {

  .ybn-och5-card__image {
    transform: none !important;
  }

}


@media (prefers-reduced-motion: reduce) {

  .ybn-och5-card__float {
    animation: none !important;

    transform: none !important;
  }


  .ybn-och5.is-enhanced
  [data-ybn-och5-reveal] {
    opacity: 1 !important;

    transform: none !important;

    transition: none !important;
  }


  .ybn-och5-card,
  .ybn-och5-card__image,
  .ybn-och5-card__content,
  .ybn-och5-control {
    animation: none !important;

    transition: none !important;
  }

}


/*
===============================================================================
15. NATIVE DRAG PREVENTION
禁止浏览器把产品链接和图片当成原生可拖动链接或文件。
自定义 Circular Gallery 的 Pointer 拖拽不受影响。
===============================================================================
*/

.ybn-och5-card__product,
.ybn-och5-card__image {
  -webkit-user-drag: none;
  user-drag: none;
}


.ybn-och5-card__image {
  user-select: none;
  -webkit-user-select: none;

  pointer-events: none;
}


/* ========================================================================== */
/* 02 — Optical Model Grid v1.3.0 */
/* Extracted from current Elementor widget — Stage 3F. */
/* ========================================================================== */

/*
===============================================================================
YUBEEN OPTICS — OPTICAL MODEL GRID STYLESHEET
===============================================================================

版本：
v1.3.0

命名空间：
ybn-omg2-

设计目标：
1. 与浅色 Optical Circular Series Hero 保持一致。
2. 以清晰筛选和产品阅读为主，不做传统密集电商列表。
3. 卡片保留足够留白。
4. 参数来自后台。
5. 大桌面 4 列、普通桌面 3 列、平板 2 列、手机 1 列。
6. 不使用固定视口高度。
===============================================================================
*/


/*
===============================================================================
01. ROOT
===============================================================================
*/

.ybn-omg2 {
  --ybn-omg2-red: #ed2228;
  --ybn-omg2-red-deep: #d91c23;

  --ybn-omg2-bg: #f5f2ed;
  --ybn-omg2-bg-soft: #fbfaf7;
  --ybn-omg2-panel: #ffffff;

  --ybn-omg2-ink: #151619;
  --ybn-omg2-copy: #666970;
  --ybn-omg2-muted: #8a8d94;

  --ybn-omg2-border:
    rgba(20, 22, 26, 0.10);

  --ybn-omg2-shell-width:
    1560px;

  position: relative;
  isolation: isolate;

  width: 100%;

  min-height: 0;

  scroll-margin-top: 104px;

  overflow: hidden;

  color:
    var(--ybn-omg2-ink);

  background:
    linear-gradient(
      180deg,
      #f5f2ed 0%,
      #faf9f6 28%,
      #f7f4ef 100%
    );

  font-family: inherit;
}


.ybn-omg2 *,
.ybn-omg2 *::before,
.ybn-omg2 *::after {
  box-sizing: border-box;
}


.ybn-omg2 h2,
.ybn-omg2 h3,
.ybn-omg2 p,
.ybn-omg2 dl,
.ybn-omg2 dd {
  margin-top: 0;
}


.ybn-omg2 a {
  color: inherit;
  text-decoration: none;
}


.ybn-omg2 button {
  font: inherit;
}


/*
===============================================================================
02. BACKGROUND
===============================================================================
*/

.ybn-omg2-background {
  position: absolute;
  inset: 0;
  z-index: -1;

  overflow: hidden;
  pointer-events: none;
}


.ybn-omg2-glow {
  position: absolute;

  border-radius: 50%;

  filter:
    blur(150px);
}


.ybn-omg2-glow--left {
  left: -310px;
  top: 24%;

  width: 580px;
  height: 580px;

  opacity: 0.18;

  background:
    rgba(255, 255, 255, 0.96);
}


.ybn-omg2-glow--right {
  right: -270px;
  bottom: 8%;

  width: 520px;
  height: 520px;

  opacity: 0.09;

  background:
    rgba(237, 34, 40, 0.52);
}


/*
===============================================================================
03. SHELL
===============================================================================
*/

.ybn-omg2-shell {
  width:
    min(
      100%,
      var(--ybn-omg2-shell-width)
    );

  margin-inline: auto;

  padding:
    clamp(48px, 4.8vw, 76px)
    clamp(22px, 4vw, 62px)
    clamp(76px, 7vw, 116px);
}


/*
===============================================================================
04. HEADER
===============================================================================
*/

.ybn-omg2-header {
  display: grid;

  grid-template-columns:
    minmax(0, 1.2fr)
    minmax(280px, 0.8fr);

  align-items: end;

  gap:
    clamp(38px, 6.5vw, 104px);

  margin-bottom:
    clamp(34px, 3.4vw, 52px);
}


.ybn-omg2-eyebrow {
  display: flex;
  align-items: center;

  gap: 12px;

  margin-bottom: 17px;

  color:
    var(--ybn-omg2-red);

  font-size: 10px;
  font-weight: 760;
  line-height: 1;
  letter-spacing: 0.19em;
  text-transform: uppercase;
}


.ybn-omg2-eyebrow > span {
  width: 32px;
  height: 1px;

  background:
    currentColor;
}


.ybn-omg2-heading {
  max-width: 940px;

  margin-bottom: 24px;

  color:
    var(--ybn-omg2-ink);

  font-size:
    clamp(43px, 4.55vw, 72px);

  font-weight: 680;
  line-height: 0.94;
  letter-spacing: -0.060em;

  text-wrap: balance;
}


.ybn-omg2-heading > span {
  display: block;

  color:
    var(--ybn-omg2-red);
}


.ybn-omg2-description {
  max-width: 720px;

  margin-bottom: 0;

  color:
    var(--ybn-omg2-copy);

  font-size:
    clamp(14.5px, 1.04vw, 17px);

  line-height: 1.66;
}


.ybn-omg2-header__status {
  display: flex;
  align-items: center;
  justify-content: flex-end;

  gap:
    clamp(18px, 2vw, 28px);

  padding-bottom: 5px;
}


.ybn-omg2-data-status {
  min-height: 38px;

  display: inline-flex;
  align-items: center;

  gap: 10px;

  padding:
    10px
    14px;

  border:
    1px solid
    rgba(20, 22, 26, 0.10);

  border-radius: 999px;

  color:
    #696c73;

  background:
    rgba(255, 255, 255, 0.62);

  box-shadow:
    0 8px 22px
    rgba(30, 27, 24, 0.045);

  font-size: 10px;
  font-weight: 660;
  line-height: 1;
}


.ybn-omg2-data-status__dot {
  width: 7px;
  height: 7px;

  border-radius: 50%;

  background:
    #dda02c;

  box-shadow:
    0 0 0 5px
    rgba(221, 160, 44, 0.10);
}


.ybn-omg2[data-ybn-omg2-state="ready"]
.ybn-omg2-data-status__dot {
  background:
    #2da461;

  box-shadow:
    0 0 0 5px
    rgba(45, 164, 97, 0.10);
}


.ybn-omg2[data-ybn-omg2-state="error"]
.ybn-omg2-data-status__dot {
  background:
    #a0a3a9;

  box-shadow:
    0 0 0 5px
    rgba(120, 123, 129, 0.09);
}


.ybn-omg2-count {
  display: flex;
  align-items: baseline;

  gap: 10px;
}


.ybn-omg2-count strong {
  color:
    var(--ybn-omg2-ink);

  font-size:
    clamp(38px, 3.5vw, 56px);

  font-weight: 680;
  line-height: 0.85;
  letter-spacing: -0.06em;
}


.ybn-omg2-count span {
  max-width: 90px;

  color:
    #7c7f86;

  font-size: 10px;
  font-weight: 650;
  line-height: 1.35;
  text-transform: uppercase;
  letter-spacing: 0.075em;
}


/*
===============================================================================
05. TOOLBAR AND FILTERS
===============================================================================
*/

.ybn-omg2-toolbar {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;

  gap: 30px;

  margin-bottom:
    clamp(26px, 2.8vw, 40px);

  padding-bottom: 19px;

  border-bottom:
    1px solid
    rgba(20, 22, 26, 0.10);
}


.ybn-omg2-toolbar__label {
  margin-bottom: 11px;

  color:
    #8a8d94;

  font-size: 9px;
  font-weight: 730;
  line-height: 1;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}


.ybn-omg2-filters {
  display: flex;
  align-items: center;
  flex-wrap: wrap;

  gap: 8px;
}


.ybn-omg2-filter {
  min-height: 38px;

  display: inline-flex;
  align-items: center;

  gap: 8px;

  padding:
    10px
    14px;

  border:
    1px solid
    rgba(20, 22, 26, 0.12);

  border-radius: 999px;

  color:
    #60636a;

  background:
    rgba(255, 255, 255, 0.54);

  cursor: pointer;

  font-size: 10px;
  font-weight: 680;
  line-height: 1;

  transition:
    color 190ms ease,
    border-color 190ms ease,
    background 190ms ease,
    box-shadow 190ms ease,
    transform 190ms ease;
}


.ybn-omg2-filter:hover,
.ybn-omg2-filter:focus-visible {
  color:
    var(--ybn-omg2-red);

  border-color:
    rgba(237, 34, 40, 0.32);

  outline: none;

  transform:
    translateY(-1px);
}


.ybn-omg2-filter.is-active {
  color:
    #ffffff;

  border-color:
    var(--ybn-omg2-red);

  background:
    var(--ybn-omg2-red);

  box-shadow:
    0 8px 18px
    rgba(237, 34, 40, 0.11);
}


.ybn-omg2-filter__count {
  min-width: 17px;
  height: 17px;

  display: grid;
  place-items: center;

  padding-inline: 4px;

  border-radius: 999px;

  color:
    inherit;

  background:
    rgba(20, 22, 26, 0.06);

  font-size: 8px;
}


.ybn-omg2-filter.is-active
.ybn-omg2-filter__count {
  background:
    rgba(255, 255, 255, 0.18);
}


.ybn-omg2-filter:disabled {
  cursor: wait;

  opacity: 0.65;

  transform: none;
}


.ybn-omg2-reset {
  display: inline-flex;
  align-items: center;

  gap: 10px;

  padding:
    8px
    0;

  border: 0;

  color:
    #34363a;

  background:
    transparent;

  cursor: pointer;

  font-size: 10px;
  font-weight: 680;
  line-height: 1;

  transition:
    color 190ms ease;
}


.ybn-omg2-reset:hover,
.ybn-omg2-reset:focus-visible {
  color:
    var(--ybn-omg2-red);

  outline: none;
}


/*
HTML hidden 属性会被上面的 display:inline-flex 覆盖，
因此必须显式恢复隐藏行为。
*/
.ybn-omg2-reset[hidden] {
  display: none !important;
}


/*
===============================================================================
06. PRODUCT GRID
===============================================================================
*/

.ybn-omg2-grid {
  display: grid;

  /*
  不再强制固定四列。
  只有在每张卡片至少保留 350px 时才显示四列；
  浏览器缩放或有效视口变窄后会自动降为三列。
  */
  grid-template-columns:
    repeat(
      auto-fit,
      minmax(
        min(100%, 350px),
        1fr
      )
    );

  align-items: stretch;

  gap:
    clamp(18px, 1.7vw, 27px);
}


/*
===============================================================================
07. PRODUCT CARD
===============================================================================
*/

.ybn-omg2-card {
  --ybn-omg2-pointer-x: 50%;
  --ybn-omg2-pointer-y: 42%;

  position: relative;

  min-width: 0;

  display: flex;
  flex-direction: column;

  overflow: hidden;

  border:
    1px solid
    rgba(20, 22, 26, 0.085);

  border-radius:
    clamp(22px, 1.8vw, 29px);

  background:
    rgba(255, 255, 255, 0.72);

  box-shadow:
    0 20px 48px
    rgba(39, 34, 29, 0.065);

  transition:
    border-color 220ms ease,
    box-shadow 220ms ease,
    transform 220ms
    cubic-bezier(0.2, 0.72, 0.2, 1);

  content-visibility: auto;

  contain-intrinsic-size:
    490px;
}


.ybn-omg2-card::before {
  content: "";

  position: absolute;
  inset: 0;
  z-index: 0;

  opacity: 0;

  background:
    radial-gradient(
      420px circle at
      var(--ybn-omg2-pointer-x)
      var(--ybn-omg2-pointer-y),
      rgba(237, 34, 40, 0.075) 0%,
      rgba(237, 34, 40, 0.018) 36%,
      transparent 68%
    );

  pointer-events: none;

  transition:
    opacity 220ms ease;
}


.ybn-omg2-card:hover,
.ybn-omg2-card:focus-within {
  border-color:
    rgba(237, 34, 40, 0.17);

  box-shadow:
    0 29px 65px
    rgba(39, 34, 29, 0.10);

  transform:
    translateY(-5px);
}


.ybn-omg2-card:hover::before,
.ybn-omg2-card:focus-within::before {
  opacity: 1;
}


.ybn-omg2-card[hidden] {
  display: none !important;
}


.ybn-omg2-card__media {
  position: relative;
  z-index: 1;

  aspect-ratio: 1.22;

  display: grid;
  place-items: center;

  padding:
    clamp(26px, 2.7vw, 42px)
    19px
    18px;

  overflow: hidden;

  border-bottom:
    1px solid
    rgba(20, 22, 26, 0.065);

  background:
    linear-gradient(
      150deg,
      rgba(255, 255, 255, 0.78) 0%,
      rgba(244, 240, 235, 0.72) 100%
    );
}


.ybn-omg2-card__media::before {
  content: "";

  position: absolute;

  left: 50%;
  top: 55%;

  width: 88%;
  height: 58%;

  border-radius: 50%;

  background:
    radial-gradient(
      ellipse,
      rgba(237, 34, 40, 0.10) 0%,
      rgba(237, 34, 40, 0.022) 50%,
      transparent 73%
    );

  transform:
    translate(-50%, -50%);
}


.ybn-omg2-card__image {
  position: relative;
  z-index: 2;

  width: auto;
  height:
    clamp(205px, 17vw, 270px);

  max-width: 92%;

  object-fit: contain;
  object-position: center;

  filter:
    drop-shadow(
      0 20px 20px
      rgba(22, 19, 17, 0.20)
    );

  transition:
    transform 260ms
    cubic-bezier(0.2, 0.72, 0.2, 1),
    filter 220ms ease;

  pointer-events: none;

  user-select: none;
  -webkit-user-select: none;
  -webkit-user-drag: none;
}


.ybn-omg2-card:hover
.ybn-omg2-card__image,
.ybn-omg2-card:focus-within
.ybn-omg2-card__image {
  transform:
    translateY(-5px)
    scale(1.025);

  filter:
    drop-shadow(
      0 25px 24px
      rgba(22, 19, 17, 0.24)
    );
}


.ybn-omg2-card__series {
  position: absolute;

  left: 17px;
  top: 17px;
  z-index: 3;

  min-height: 27px;

  display: inline-flex;
  align-items: center;

  padding:
    7px
    10px;

  border:
    1px solid
    rgba(20, 22, 26, 0.085);

  border-radius: 999px;

  color:
    var(--ybn-omg2-red);

  background:
    rgba(255, 255, 255, 0.72);

  font-size: 8px;
  font-weight: 760;
  line-height: 1;
  letter-spacing: 0.10em;
  text-transform: uppercase;

  -webkit-backdrop-filter:
    blur(9px);

  backdrop-filter:
    blur(9px);
}


.ybn-omg2-card__open {
  position: absolute;

  right: 17px;
  top: 17px;
  z-index: 3;

  width: 34px;
  height: 34px;

  display: grid;
  place-items: center;

  border:
    1px solid
    rgba(20, 22, 26, 0.10);

  border-radius: 50%;

  color:
    #313338;

  background:
    rgba(255, 255, 255, 0.70);

  font-size: 14px;

  opacity: 0;

  transform:
    translateY(5px);

  transition:
    opacity 190ms ease,
    transform 190ms ease,
    color 190ms ease,
    background 190ms ease;
}


.ybn-omg2-card__media:hover
.ybn-omg2-card__open,
.ybn-omg2-card__media:focus-visible
.ybn-omg2-card__open {
  opacity: 1;

  transform:
    translateY(0);
}


.ybn-omg2-card__body {
  position: relative;
  z-index: 1;

  flex: 1;

  display: flex;
  flex-direction: column;

  padding:
    clamp(19px, 1.8vw, 25px);
}


.ybn-omg2-card__index {
  margin-bottom: 8px;

  color:
    #9a9ca2;

  font-size: 8px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.10em;
}


.ybn-omg2-card__title {
  min-height: 2.25em;

  margin-bottom:
    clamp(19px, 1.8vw, 25px);

  color:
    var(--ybn-omg2-ink);

  font-size:
    clamp(20px, 1.55vw, 25px);

  font-weight: 680;
  line-height: 1.08;
  letter-spacing: -0.040em;

  overflow-wrap: anywhere;
}


.ybn-omg2-card__specs {
  display: grid;

  grid-template-columns:
    repeat(3, minmax(0, 1fr));

  gap:
    clamp(12px, 1vw, 18px);

  margin:
    auto
    0
    0;

  padding-top: 17px;

  border-top:
    1px solid
    rgba(20, 22, 26, 0.085);
}


/*
===============================================================================
PRODUCT CARD — SPECIFICATION ALIGNMENT
作用：
1. 让参数名称和参数值使用同一个水平中心。
2. 清除 dd 标签自带的浏览器左边距。
3. 每个参数列保持相同结构和高度。
4. 长参数可以正常换行，不会被裁切。
===============================================================================
*/

.ybn-omg2-card__spec {
  min-width: 0;

  display: grid;

  /*
  第一行放参数名称，第二行放参数值。
  这样三个参数的名称和数值会保持统一结构。
  */
  grid-template-rows:
    minmax(2.45em, auto)
    minmax(2.7em, auto);

  align-content: start;
  justify-items: center;

  padding: 0;

  border: 0;

  text-align: center;
}


.ybn-omg2-card__spec dt {
  width: 100%;
  min-width: 0;
  min-height: 2.45em;

  display: flex;
  align-items: flex-start;
  justify-content: center;

  /*
  必须清除浏览器默认边距。
  */
  margin: 0 0 7px;

  color:
    #8b8e94;

  font-size:
    clamp(7.2px, 0.48vw, 8px);

  font-weight: 710;
  line-height: 1.24;
  letter-spacing: 0.055em;
  text-transform: uppercase;

  text-align: center;
  white-space: normal;

  overflow-wrap: anywhere;
}


.ybn-omg2-card__spec dd {
  width: 100%;
  min-width: 0;
  min-height: 2.7em;

  display: flex;
  align-items: flex-start;
  justify-content: center;

  /*
  这是本次最关键的修复。
  dd 默认带有 margin-inline-start，
  必须完整设为 0，否则参数值会向右错位。
  */
  margin: 0;

  overflow: visible;

  color:
    #2b2d31;

  font-size:
    clamp(11px, 0.80vw, 13px);

  font-weight: 680;
  line-height: 1.34;

  text-align: center;
  text-overflow: clip;
  white-space: normal;

  overflow-wrap: anywhere;
  word-break: normal;
}


.ybn-omg2-card__details {
  min-height: 43px;

  display: flex;
  align-items: center;
  justify-content: space-between;

  gap: 16px;

  margin-top: 19px;

  padding-top: 15px;

  border-top:
    1px solid
    rgba(20, 22, 26, 0.085);

  color:
    #383a3f;

  font-size: 10px;
  font-weight: 680;
  line-height: 1;

  transition:
    color 190ms ease;
}


.ybn-omg2-card__details:hover,
.ybn-omg2-card__details:focus-visible {
  color:
    var(--ybn-omg2-red);

  outline: none;
}


.ybn-omg2-card__details > span:last-child {
  font-size: 15px;

  transition:
    transform 190ms ease;
}


.ybn-omg2-card__details:hover
> span:last-child,
.ybn-omg2-card__details:focus-visible
> span:last-child {
  transform:
    translate(3px, -3px);
}


/*
===============================================================================
08. SKELETON
===============================================================================
*/

.ybn-omg2-skeleton {
  min-height: 510px;

  overflow: hidden;

  padding: 16px;

  border:
    1px solid
    rgba(20, 22, 26, 0.07);

  border-radius: 27px;

  background:
    rgba(255, 255, 255, 0.55);
}


.ybn-omg2-skeleton__media,
.ybn-omg2-skeleton__line,
.ybn-omg2-skeleton__specs {
  position: relative;

  display: block;

  overflow: hidden;

  background:
    rgba(20, 22, 26, 0.055);
}


.ybn-omg2-skeleton__media::after,
.ybn-omg2-skeleton__line::after,
.ybn-omg2-skeleton__specs::after {
  content: "";

  position: absolute;
  inset: 0;

  background:
    linear-gradient(
      90deg,
      transparent,
      rgba(255, 255, 255, 0.72),
      transparent
    );

  transform:
    translateX(-100%);

  animation:
    ybn-omg2-skeleton-shimmer
    1.45s
    ease-in-out
    infinite;
}


.ybn-omg2-skeleton__media {
  aspect-ratio: 1.22;

  margin-bottom: 23px;

  border-radius: 20px;
}


.ybn-omg2-skeleton__line {
  height: 11px;

  margin-bottom: 13px;

  border-radius: 999px;
}


.ybn-omg2-skeleton__line--short {
  width: 34%;
}


.ybn-omg2-skeleton__line--title {
  width: 68%;

  height: 23px;
}


.ybn-omg2-skeleton__specs {
  height: 72px;

  margin-top: 30px;

  border-radius: 12px;
}


@keyframes ybn-omg2-skeleton-shimmer {

  to {
    transform:
      translateX(100%);
  }

}


/*
===============================================================================
09. ERROR / EMPTY STATE
===============================================================================
*/

.ybn-omg2-state {
  display: grid;

  grid-template-columns:
    auto
    minmax(0, 1fr)
    auto;

  align-items: center;

  gap: 22px;

  padding:
    clamp(25px, 3vw, 42px);

  border:
    1px solid
    rgba(20, 22, 26, 0.09);

  border-radius: 26px;

  background:
    rgba(255, 255, 255, 0.62);
}


.ybn-omg2-state[hidden] {
  display: none;
}


.ybn-omg2-state__icon {
  width: 44px;
  height: 44px;

  display: grid;
  place-items: center;

  border:
    1px solid
    rgba(237, 34, 40, 0.18);

  border-radius: 50%;

  color:
    var(--ybn-omg2-red);

  background:
    rgba(237, 34, 40, 0.055);

  font-size: 17px;
  font-weight: 750;
}


.ybn-omg2-state h3 {
  margin-bottom: 6px;

  color:
    var(--ybn-omg2-ink);

  font-size: 18px;
  font-weight: 680;
  line-height: 1.25;
}


.ybn-omg2-state p {
  margin-bottom: 0;

  color:
    var(--ybn-omg2-copy);

  font-size: 12px;
  line-height: 1.55;
}


.ybn-omg2-state__button {
  min-height: 42px;

  padding:
    11px
    17px;

  border:
    1px solid
    rgba(20, 22, 26, 0.14);

  border-radius: 999px;

  color:
    #313338;

  background:
    rgba(255, 255, 255, 0.72);

  cursor: pointer;

  font-size: 10px;
  font-weight: 680;

  transition:
    color 190ms ease,
    border-color 190ms ease,
    background 190ms ease;
}


.ybn-omg2-state__button:hover,
.ybn-omg2-state__button:focus-visible {
  color:
    #ffffff;

  border-color:
    var(--ybn-omg2-red);

  background:
    var(--ybn-omg2-red);

  outline: none;
}


/*
===============================================================================
10. FOOTER
===============================================================================
*/

.ybn-omg2-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;

  gap: 30px;

  margin-top:
    clamp(36px, 4vw, 56px);

  padding-top: 20px;

  border-top:
    1px solid
    rgba(20, 22, 26, 0.10);
}


.ybn-omg2-footer p {
  max-width: 680px;

  margin-bottom: 0;

  color:
    #7a7d84;

  font-size: 10px;
  line-height: 1.55;
}


.ybn-omg2-footer__link {
  display: inline-flex;
  align-items: center;

  gap: 12px;

  color:
    #33353a;

  font-size: 10px;
  font-weight: 680;
  line-height: 1;

  transition:
    color 190ms ease;
}


.ybn-omg2-footer__link:hover,
.ybn-omg2-footer__link:focus-visible {
  color:
    var(--ybn-omg2-red);

  outline: none;
}


/*
===============================================================================
11. REVEAL
===============================================================================
*/

.ybn-omg2-card.is-preparing {
  opacity: 0;

  transform:
    translateY(14px);
}


.ybn-omg2-card.is-visible {
  opacity: 1;

  transform:
    translateY(0);

  transition:
    opacity 540ms
      cubic-bezier(0.2, 0.72, 0.2, 1)
      var(--ybn-omg2-reveal-delay, 0ms),
    transform 540ms
      cubic-bezier(0.2, 0.72, 0.2, 1)
      var(--ybn-omg2-reveal-delay, 0ms),
    border-color 220ms ease,
    box-shadow 220ms ease;
}


/*
===============================================================================
12. RESPONSIVE
===============================================================================
*/

@media (max-width: 1280px) {

  /*
  网格列数由 auto-fit 根据实际卡片宽度决定。
  这里不再强制三列，避免浏览器缩放时出现临界错位。
  */

}


@media (max-width: 980px) {

  .ybn-omg2-header {
    grid-template-columns: 1fr;

    gap: 30px;
  }


  .ybn-omg2-header__status {
    display: flex;
    align-items: center;
    justify-content: space-between;

    width: 100%;
  }


  .ybn-omg2-grid {
    grid-template-columns:
      repeat(2, minmax(0, 1fr));
  }


  .ybn-omg2-card__specs {
    gap: 14px;
  }


  .ybn-omg2-card__image {
    height:
      clamp(225px, 29vw, 290px);
  }

}


@media (max-width: 680px) {

  .ybn-omg2-shell {
    padding:
      50px
      14px
      72px;
  }


  .ybn-omg2-heading {
    font-size:
      clamp(40px, 11.3vw, 54px);
  }


  .ybn-omg2-header__status {
    align-items: flex-start;
    flex-direction: column;

    justify-content: initial;
  }


  .ybn-omg2-count {
    justify-content: flex-start;
  }


  .ybn-omg2-toolbar {
    align-items: flex-start;
    flex-direction: column;
  }


  .ybn-omg2-filters {
    gap: 7px;
  }


  .ybn-omg2-grid {
    grid-template-columns: 1fr;

    gap: 16px;
  }


  .ybn-omg2-card {
    max-width: 520px;

    justify-self: center;
  }


  .ybn-omg2-card__media {
    width: 100%;
  }


  .ybn-omg2-card__image {
    height:
      clamp(245px, 65vw, 330px);
  }


  .ybn-omg2-card__specs {
    gap: 11px;
  }


  .ybn-omg2-card__spec dt {
    min-height: 2.35em;
  }


  .ybn-omg2-card__spec dd {
    font-size: 11.5px;
  }


  .ybn-omg2-state {
    grid-template-columns: 1fr;

    justify-items: start;
  }


  .ybn-omg2-footer {
    align-items: flex-start;
    flex-direction: column;
  }

}


/*
===============================================================================
13. ACCESSIBILITY
===============================================================================
*/

@media (hover: none), (pointer: coarse) {

  .ybn-omg2-card__open {
    opacity: 1;

    transform: none;
  }


  .ybn-omg2-card:hover {
    transform: none;
  }

}


@media (prefers-reduced-motion: reduce) {

  .ybn-omg2-card,
  .ybn-omg2-card__image,
  .ybn-omg2-filter,
  .ybn-omg2-card__open,
  .ybn-omg2-skeleton__media::after,
  .ybn-omg2-skeleton__line::after,
  .ybn-omg2-skeleton__specs::after {
    animation: none !important;

    transition: none !important;
  }


  .ybn-omg2-card.is-preparing,
  .ybn-omg2-card.is-visible {
    opacity: 1 !important;

    transform: none !important;
  }

}


/* ========================================================================== */
/* 03 — Optical Selection Guide v2.4.0 */
/* Extracted from current Elementor widget — Stage 3F. */
/* ========================================================================== */

/*
===============================================================================
YUBEEN OPTICS — OPTICAL SELECTION GUIDE STYLESHEET
===============================================================================

版本：
v2.4.0

命名空间：
ybn-osg2-
===============================================================================
*/



/*
===============================================================================
00. ELEMENTOR FULL-WIDTH / SEAMLESS TRANSITION PATCH
===============================================================================

作用：
1. 清除外层Container、HTML组件和Widget容器的默认边距与内边距。
2. 避免上下屏之间露出白色条带或白色外框。
3. 保持当前模块背景与前后模块自然连接。

前提：
Elementor外层Container CSS ID必须是：
optical-selection-guide-host
*/

#optical-selection-guide-host {
  width: 100% !important;
  max-width: none !important;

  margin: 0 !important;
  padding: 0 !important;

  gap: 0 !important;

  overflow: hidden !important;
}

#optical-selection-guide-host > .e-con-inner,
#optical-selection-guide-host .elementor-widget-html,
#optical-selection-guide-host .elementor-widget-container {
  width: 100% !important;
  max-width: none !important;

  margin: 0 !important;
  padding: 0 !important;
}

#optical-model-grid-host {
  margin-bottom: 0 !important;
}

/*
当当前Container仍被一个带左右Padding的父级包裹时，
让本模块从父级中向两侧延伸到视口边缘。
*/
#optical-selection-guide-host .ybn-osg2 {
  width: 100vw;
  max-width: 100vw;

  margin-left:
    calc(50% - 50vw) !important;

  margin-right:
    calc(50% - 50vw) !important;
}

@supports (width: 100dvw) {

  #optical-selection-guide-host .ybn-osg2 {
    width: 100dvw;
    max-width: 100dvw;

    margin-left:
      calc(50% - 50dvw) !important;

    margin-right:
      calc(50% - 50dvw) !important;
  }

}


/*
===============================================================================
01. ROOT
===============================================================================
*/

.ybn-osg2 {
  --ybn-osg2-red: #ed2228;
  --ybn-osg2-red-strong: #df1f25;

  --ybn-osg2-bg: #f2f0eb;
  --ybn-osg2-bg-soft: #f8f6f1;
  --ybn-osg2-white: #ffffff;

  --ybn-osg2-ink: #151619;
  --ybn-osg2-copy: #676b72;
  --ybn-osg2-muted: #92969d;

  --ybn-osg2-dark: #0b0f15;
  --ybn-osg2-dark-soft: #11161d;
  --ybn-osg2-dark-copy: #aab1bb;

  --ybn-osg2-border:
    rgba(21, 22, 25, 0.095);

  --ybn-osg2-shell:
    1560px;

  /*
  第一部分目标坐标。
  JS会根据根节点data属性覆盖。
  */
  --ybn-osg2-mag-target-x: 60.5%;
  --ybn-osg2-mag-target-y: 49.5%;

  /*
  第二部分目标坐标。
  JS会根据根节点data属性覆盖。
  */
  --ybn-osg2-focal-target-x: 49.8%;
  --ybn-osg2-focal-target-y: 55.8%;

  position: relative;
  isolation: isolate;

  width: 100%;
  min-height: 0;

  scroll-margin-top: 96px;

  overflow: hidden;

  color:
    var(--ybn-osg2-ink);

  background:
    linear-gradient(
      180deg,
      #f2f0eb 0%,
      #f8f6f1 52%,
      #efede7 100%
    );

  font-family: inherit;
}


.ybn-osg2 *,
.ybn-osg2 *::before,
.ybn-osg2 *::after {
  box-sizing: border-box;
}


.ybn-osg2 h2,
.ybn-osg2 h3,
.ybn-osg2 p,
.ybn-osg2 ul {
  margin-top: 0;
}


.ybn-osg2 button,
.ybn-osg2 input {
  font: inherit;
}


.ybn-osg2 button {
  -webkit-tap-highlight-color:
    transparent;
}


/*
===============================================================================
02. ACCESSIBILITY HELPER
===============================================================================
*/

.ybn-osg2-visually-hidden {
  position: absolute;

  width: 1px;
  height: 1px;

  padding: 0;
  margin: -1px;

  overflow: hidden;

  clip:
    rect(0, 0, 0, 0);

  white-space: nowrap;

  border: 0;
}


/*
===============================================================================
03. BACKGROUND
===============================================================================
*/

.ybn-osg2-background {
  position: absolute;
  inset: 0;
  z-index: -1;

  overflow: hidden;

  pointer-events: none;
}


.ybn-osg2-background__glow,
.ybn-osg2-background__ring {
  position: absolute;

  border-radius: 50%;
}


.ybn-osg2-background__glow {
  filter:
    blur(150px);
}


.ybn-osg2-background__glow--one {
  left: -360px;
  top: 13%;

  width: 760px;
  height: 760px;

  opacity: 0.34;

  background:
    rgba(255, 255, 255, 0.92);
}


.ybn-osg2-background__glow--two {
  right: -320px;
  bottom: 5%;

  width: 700px;
  height: 700px;

  opacity: 0.075;

  background:
    rgba(237, 34, 40, 0.62);
}


.ybn-osg2-background__ring {
  right: -315px;

  border:
    1px solid
    rgba(237, 34, 40, 0.065);
}


.ybn-osg2-background__ring--one {
  top: 190px;

  width: 820px;
  height: 820px;
}


.ybn-osg2-background__ring--two {
  top: 310px;
  right: -205px;

  width: 610px;
  height: 610px;
}


/*
===============================================================================
04. SHELL
===============================================================================
*/

.ybn-osg2-shell {
  width:
    min(
      100%,
      var(--ybn-osg2-shell)
    );

  margin-inline: auto;

  padding:
    clamp(78px, 6.4vw, 108px)
    clamp(22px, 4vw, 62px)
    clamp(52px, 4.2vw, 72px);
}


/*
===============================================================================
05. COMMON TYPOGRAPHY
===============================================================================
*/

.ybn-osg2-eyebrow {
  display: flex;
  align-items: center;

  gap: 12px;

  margin-bottom: 17px;

  color:
    var(--ybn-osg2-red);

  font-size: 10px;
  font-weight: 760;
  line-height: 1;
  letter-spacing: 0.19em;
  text-transform: uppercase;
}


.ybn-osg2-eyebrow > span {
  width: 32px;
  height: 1px;

  background:
    currentColor;
}


.ybn-osg2-heading {
  max-width: 950px;

  margin-bottom: 0;

  color:
    var(--ybn-osg2-ink);

  font-size:
    clamp(48px, 4.8vw, 76px);

  font-weight: 680;
  line-height: 0.96;
  letter-spacing: -0.058em;

  text-wrap: balance;
}


.ybn-osg2-heading > span {
  display: block;

  color:
    var(--ybn-osg2-red);
}


.ybn-osg2-kicker {
  display: flex;
  align-items: center;

  gap: 12px;

  margin-bottom: 20px;

  color:
    var(--ybn-osg2-red);

  font-size: 9px;
  font-weight: 760;
  line-height: 1;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}


.ybn-osg2-kicker > span {
  width: 31px;
  height: 31px;

  display: grid;
  place-items: center;

  border:
    1px solid
    rgba(237, 34, 40, 0.30);

  border-radius: 50%;

  font-size: 8px;
  letter-spacing: 0;
}


.ybn-osg2-kicker--dark {
  color:
    #ff454b;
}


.ybn-osg2-chapter__content h3 {
  max-width: 720px;

  margin-bottom:
    clamp(20px, 2.2vw, 30px);

  /*
  原最大字号是 61px。
  降低到 54px，仍然是大标题，但更容易形成两行。
  */
  font-size:
    clamp(39px, 3.25vw, 54px);

  font-weight: 670;
  line-height: 1;
  letter-spacing: -0.050em;

  text-wrap: balance;
}


/*
每一行都是独立块。
在宽桌面下保持完整一行，不随意拆开。
*/

.ybn-osg2-chapter__content h3 > span {
  display: block;
}


/*
===============================================================================
VIEWING EMPHASIS TITLE SPACING
作用：
1. 保持宽屏状态下每一行不被再次拆开。
2. 增加两行标题之间的垂直距离。
3. 不改变标题与下方正文之间的距离。
===============================================================================
*/

.ybn-osg2-viewing-title {
  line-height: 1.08;
}


.ybn-osg2-viewing-title__line {
  display: block;

  white-space: nowrap;
}


.ybn-osg2-chapter__description {
  max-width: 660px;

  margin-bottom:
    clamp(28px, 2.8vw, 40px);

  color:
    var(--ybn-osg2-copy);

  font-size:
    clamp(15px, 1vw, 17px);

  line-height: 1.74;
}


.ybn-osg2-chapter__description--dark {
  color:
    #a7aeb8;
}


/*
===============================================================================
06. INTRO
===============================================================================
*/

.ybn-osg2-intro {
  display: grid;

  grid-template-columns:
    minmax(0, 1.24fr)
    minmax(320px, 0.76fr);

  align-items: end;

  gap:
    clamp(48px, 8vw, 132px);

  margin-bottom:
    clamp(52px, 5.2vw, 80px);
}


.ybn-osg2-intro__copy {
  padding-bottom: 4px;
}


.ybn-osg2-intro__copy > p {
  max-width: 560px;

  margin-bottom: 25px;

  color:
    var(--ybn-osg2-copy);

  font-size:
    clamp(15px, 1vw, 17px);

  line-height: 1.72;
}


.ybn-osg2-intro__map {
  display: flex;
  flex-wrap: wrap;

  gap: 9px;
}


.ybn-osg2-intro__map > span {
  min-height: 34px;

  display: inline-flex;
  align-items: center;

  gap: 8px;

  padding:
    9px
    11px;

  border:
    1px solid
    rgba(20, 22, 26, 0.10);

  border-radius: 999px;

  color:
    var(--ybn-osg2-red);

  background:
    rgba(255, 255, 255, 0.50);

  font-size: 8px;
  font-weight: 740;
}


.ybn-osg2-intro__map strong {
  color:
    #61646b;

  font-weight: 660;
}


/*
===============================================================================
07. CHAPTER LAYOUT
===============================================================================
*/

.ybn-osg2-chapter {
  position: relative;

  display: grid;

  grid-template-columns:
    minmax(0, 0.87fr)
    minmax(0, 1.13fr);

  align-items: center;

  gap:
    clamp(46px, 6vw, 96px);

  margin-bottom:
    clamp(34px, 4.2vw, 64px);

  padding:
    clamp(38px, 4.4vw, 70px);

  border:
    1px solid
    var(--ybn-osg2-border);

  border-radius:
    clamp(28px, 2.5vw, 42px);

  overflow: hidden;

  box-shadow:
    0 28px 72px
    rgba(39, 34, 29, 0.060);
}


.ybn-osg2-chapter--light {
  background:
    linear-gradient(
      145deg,
      rgba(255, 255, 255, 0.71),
      rgba(245, 241, 235, 0.74)
    );
}


.ybn-osg2-chapter--dark {
  grid-template-columns:
    minmax(0, 1.13fr)
    minmax(0, 0.87fr);

  color:
    #ffffff;

  border-color:
    rgba(255, 255, 255, 0.075);

  background:
    radial-gradient(
      circle at 8% 18%,
      rgba(237, 34, 40, 0.105),
      transparent 28%
    ),
    radial-gradient(
      circle at 96% 0%,
      rgba(89, 95, 115, 0.15),
      transparent 34%
    ),
    linear-gradient(
      145deg,
      #090c11 0%,
      #11161d 100%
    );

  box-shadow:
    0 30px 78px
    rgba(8, 9, 12, 0.19);
}


/*
===============================================================================
08. VISUAL CONTAINER
只保留一个主要视觉容器，减少多重卡片框。
===============================================================================
*/

.ybn-osg2-visual {
  --ybn-osg2-pointer-x: 50%;
  --ybn-osg2-pointer-y: 42%;

  position: relative;

  min-width: 0;

  padding:
    clamp(14px, 1.45vw, 20px);

  border:
    1px solid
    rgba(20, 22, 26, 0.085);

  border-radius:
    clamp(22px, 2vw, 31px);

  overflow: hidden;

  background:
    rgba(255, 255, 255, 0.50);

  box-shadow:
    0 23px 56px
    rgba(31, 28, 25, 0.075);
}


.ybn-osg2-visual::before {
  content: "";

  position: absolute;
  inset: 0;
  z-index: 0;

  opacity: 0;

  background:
    radial-gradient(
      520px circle at
      var(--ybn-osg2-pointer-x)
      var(--ybn-osg2-pointer-y),
      rgba(237, 34, 40, 0.070),
      transparent 67%
    );

  pointer-events: none;

  transition:
    opacity 220ms ease;
}


.ybn-osg2-visual:hover::before,
.ybn-osg2-visual:focus-within::before {
  opacity: 1;
}


.ybn-osg2-visual--focal {
  border-color:
    rgba(255, 255, 255, 0.085);

  background:
    rgba(255, 255, 255, 0.035);

  box-shadow:
    0 26px 60px
    rgba(0, 0, 0, 0.27);
}


.ybn-osg2-visual__topline {
  position: relative;
  z-index: 1;

  min-height: 37px;

  display: flex;
  align-items: center;
  justify-content: space-between;

  gap: 20px;

  padding:
    2px
    5px
    13px;

  color:
    #858990;

  font-size: 8px;
  font-weight: 690;
  line-height: 1;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}


.ybn-osg2-visual__topline strong {
  color:
    var(--ybn-osg2-red);

  font-size: 10px;
  font-weight: 740;
}


.ybn-osg2-visual__topline--dark {
  color:
    #7f8793;
}


.ybn-osg2-visual__topline--dark strong {
  color:
    #ff4b50;
}


.ybn-osg2-visual__note {
  position: relative;
  z-index: 1;

  margin:
    12px
    5px
    1px;

  color:
    #858990;

  font-size: 8px;
  line-height: 1.55;
}


.ybn-osg2-visual__note--dark {
  color:
    #747c87;
}


/*
===============================================================================
09. SCENES
===============================================================================
*/

.ybn-osg2-scene {
  position: relative;
  z-index: 1;

  aspect-ratio:
    16 / 10;

  overflow: hidden;

  border-radius:
    clamp(17px, 1.6vw, 23px);

  background:
    #171a20;

  isolation: isolate;
}


.ybn-osg2-scene__image {
  position: absolute;
  inset: 0;

  width: 100%;
  height: 100%;

  object-fit: cover;

  pointer-events: none;

  user-select: none;
  -webkit-user-select: none;
  -webkit-user-drag: none;

  will-change:
    transform;

  transition:
    transform 120ms linear;
}


/*
第一部分图片围绕鹿缩放。
transform-origin和目标提示框使用同一坐标变量。
*/
.ybn-osg2-scene--viewing
.ybn-osg2-scene__image {
  transform-origin:
    var(--ybn-osg2-mag-target-x)
    var(--ybn-osg2-mag-target-y);

  transform:
    scale(
      var(
        --ybn-osg2-view-scale,
        1
      )
    );
}


/*
第二部分图片围绕蓝调场景中的鹿缩放。
*/
.ybn-osg2-scene--focal
.ybn-osg2-scene__image {
  transform-origin:
    var(--ybn-osg2-focal-target-x)
    var(--ybn-osg2-focal-target-y);

  transform:
    scale(
      var(
        --ybn-osg2-focal-scale,
        1
      )
    );
}


.ybn-osg2-scene::after {
  content: "";

  position: absolute;
  inset: 0;
  z-index: 4;

  pointer-events: none;

  box-shadow:
    inset 0 0 0 1px
    rgba(255, 255, 255, 0.08),
    inset 0 -90px 85px
    rgba(0, 0, 0, 0.15);
}


.ybn-osg2-scene-badge {
  position: absolute;
  z-index: 7;

  left: 15px;
  bottom: 14px;

  min-height: 37px;

  display: flex;
  align-items: center;

  gap: 10px;

  padding:
    10px
    12px;

  border:
    1px solid
    rgba(255, 255, 255, 0.14);

  border-radius: 999px;

  color:
    rgba(255, 255, 255, 0.70);

  background:
    rgba(12, 14, 18, 0.45);

  -webkit-backdrop-filter:
    blur(10px);

  backdrop-filter:
    blur(10px);

  font-size: 8px;
  font-weight: 630;
}


.ybn-osg2-scene-badge strong {
  color:
    #ffffff;

  font-size: 9px;
  font-weight: 720;
}


/*
===============================================================================
10. FIRST SECTION TARGET GUIDE
===============================================================================
*/

.ybn-osg2-target-guide {
  position: absolute;
  z-index: 6;

  left:
    var(--ybn-osg2-mag-target-x);

  top:
    var(--ybn-osg2-mag-target-y);

  width:
    clamp(116px, 14vw, 184px);

  aspect-ratio: 1;

  transform:
    translate(-50%, -50%)
    scale(
      var(
        --ybn-osg2-guide-scale,
        1
      )
    );

  pointer-events: none;

  transition:
    transform 130ms linear;
}


.ybn-osg2-target-guide__outer,
.ybn-osg2-target-guide__inner,
.ybn-osg2-target-guide__point {
  position: absolute;

  left: 50%;
  top: 50%;

  border-radius: 50%;

  transform:
    translate(-50%, -50%);
}


.ybn-osg2-target-guide__outer {
  width: 70%;
  height: 70%;

  border:
    1px solid
    rgba(255, 255, 255, 0.72);

  box-shadow:
    0 0 0 8px
    rgba(8, 10, 13, 0.10);
}


.ybn-osg2-target-guide__inner {
  width: 47%;
  height: 47%;

  border:
    1px solid
    rgba(237, 34, 40, 0.56);
}


.ybn-osg2-target-guide__point {
  width: 7px;
  height: 7px;

  border:
    2px solid
    rgba(255, 255, 255, 0.94);

  background:
    var(--ybn-osg2-red);

  box-shadow:
    0 0 0 6px
    rgba(237, 34, 40, 0.12);
}


.ybn-osg2-target-guide__corner {
  position: absolute;

  width: 19px;
  height: 19px;

  opacity: 0.76;
}


.ybn-osg2-target-guide__corner--tl {
  left: 0;
  top: 0;

  border-left:
    1px solid
    rgba(255, 255, 255, 0.72);

  border-top:
    1px solid
    rgba(255, 255, 255, 0.72);
}


.ybn-osg2-target-guide__corner--tr {
  right: 0;
  top: 0;

  border-right:
    1px solid
    rgba(255, 255, 255, 0.72);

  border-top:
    1px solid
    rgba(255, 255, 255, 0.72);
}


.ybn-osg2-target-guide__corner--bl {
  left: 0;
  bottom: 0;

  border-left:
    1px solid
    rgba(255, 255, 255, 0.72);

  border-bottom:
    1px solid
    rgba(255, 255, 255, 0.72);
}


.ybn-osg2-target-guide__corner--br {
  right: 0;
  bottom: 0;

  border-right:
    1px solid
    rgba(255, 255, 255, 0.72);

  border-bottom:
    1px solid
    rgba(255, 255, 255, 0.72);
}


/*
===============================================================================
11. RETICLE
===============================================================================
*/

.ybn-osg2-reticle {
  position: absolute;

  left:
    var(--ybn-osg2-focal-target-x);

  top:
    var(--ybn-osg2-focal-target-y);

  z-index: 6;

  width:
    clamp(176px, 22vw, 286px);

  height: auto;

  overflow: visible;

  color:
    rgba(255, 72, 78, 0.88);

  filter:
    drop-shadow(
      0 0 8px
      rgba(237, 34, 40, 0.22)
    );

  transform:
    translate(-50%, -50%);

  pointer-events: none;
}


.ybn-osg2-reticle__geometry {
  fill: none;

  stroke:
    currentColor;

  stroke-width: 1.25;

  vector-effect:
    non-scaling-stroke;

  transform-origin:
    120px
    120px;

  transform:
    scale(
      var(
        --ybn-osg2-reticle-scale,
        1
      )
    );

  transition:
    transform 180ms
    cubic-bezier(0.2, 0.72, 0.2, 1);
}


.ybn-osg2-reticle__geometry circle:last-of-type {
  fill:
    currentColor;

  stroke: none;
}


/*
===============================================================================
12. RANGE CONTROLS
===============================================================================
*/

.ybn-osg2-viewing-control,
.ybn-osg2-focal-control {
  max-width: 650px;

  margin-bottom:
    clamp(27px, 2.8vw, 38px);

  padding-top:
    21px;

  border-top:
    1px solid
    rgba(21, 22, 25, 0.11);
}


.ybn-osg2-focal-control {
  border-top-color:
    rgba(255, 255, 255, 0.10);
}


.ybn-osg2-viewing-control__header,
.ybn-osg2-focal-control__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;

  gap: 22px;

  margin-bottom: 18px;
}


.ybn-osg2-control-label {
  display: block;

  margin-bottom: 6px;

  color:
    #888c93;

  font-size: 8px;
  font-weight: 710;
  line-height: 1;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}


.ybn-osg2-viewing-control__header strong,
.ybn-osg2-focal-control__header strong {
  color:
    var(--ybn-osg2-ink);

  font-size: 22px;
  font-weight: 680;
  line-height: 1;
  letter-spacing: -0.035em;
}


.ybn-osg2-focal-control__header strong {
  color:
    #ffffff;
}


.ybn-osg2-control-hint {
  color:
    #92969d;

  font-size: 8px;
  font-weight: 620;
}


.ybn-osg2-range {
  width: 100%;
  height: 25px;

  display: block;

  margin: 0;

  cursor: pointer;

  accent-color:
    var(--ybn-osg2-red);
}


.ybn-osg2-range-labels {
  display: flex;
  justify-content: space-between;

  margin-top: 2px;

  color:
    #898d94;

  font-size: 7px;
  font-weight: 650;
}


.ybn-osg2-range-labels--dark {
  color:
    #747c87;
}


.ybn-osg2-viewing-status {
  display: grid;

  grid-template-columns:
    repeat(2, minmax(0, 1fr));

  gap: 18px;

  margin-top: 24px;
}


.ybn-osg2-viewing-status > div {
  display: flex;
  align-items: center;
  justify-content: space-between;

  gap: 18px;

  padding:
    12px
    0;

  border-bottom:
    1px solid
    rgba(21, 22, 25, 0.09);

  color:
    #858990;

  font-size: 9px;
  font-weight: 640;
}


.ybn-osg2-viewing-status strong {
  color:
    #3e4147;

  font-weight: 710;
}


/*
===============================================================================
13. KEYWORDS
===============================================================================
*/

.ybn-osg2-keywords {
  display: flex;
  flex-wrap: wrap;

  gap:
    9px
    22px;

  margin-bottom: 0;
  padding: 0;

  list-style: none;
}


.ybn-osg2-keywords li {
  position: relative;

  padding-left: 12px;

  color:
    #6f7279;

  font-size: 9px;
  font-weight: 650;
}


.ybn-osg2-keywords li::before {
  content: "";

  position: absolute;

  left: 0;
  top: 50%;

  width: 4px;
  height: 4px;

  border-radius: 50%;

  background:
    var(--ybn-osg2-red);

  transform:
    translateY(-50%);
}


.ybn-osg2-keywords--dark li {
  color:
    #8f969f;
}


/*
===============================================================================
14. FOCAL MODE
===============================================================================
*/

.ybn-osg2-mode-switch {
  max-width: 560px;

  display: grid;

  grid-template-columns:
    repeat(2, minmax(0, 1fr));

  gap: 10px;

  margin-bottom: 20px;
}


.ybn-osg2-mode-button {
  min-height: 68px;

  display: flex;
  align-items: flex-start;
  justify-content: center;
  flex-direction: column;

  gap: 5px;

  padding:
    13px
    16px;

  border:
    1px solid
    rgba(255, 255, 255, 0.10);

  border-radius: 17px;

  color:
    #b1b7c0;

  background:
    rgba(255, 255, 255, 0.035);

  cursor: pointer;

  text-align: left;

  transition:
    color 180ms ease,
    border-color 180ms ease,
    background 180ms ease,
    transform 180ms ease;
}


.ybn-osg2-mode-button span {
  font-size: 13px;
  font-weight: 720;
}


.ybn-osg2-mode-button small {
  color:
    #707985;

  font-size: 8px;
  line-height: 1.3;
}


.ybn-osg2-mode-button:hover,
.ybn-osg2-mode-button:focus-visible {
  border-color:
    rgba(255, 75, 80, 0.40);

  outline: none;

  transform:
    translateY(-1px);
}


.ybn-osg2-mode-button.is-active {
  color:
    #ffffff;

  border-color:
    var(--ybn-osg2-red);

  background:
    var(--ybn-osg2-red);
}


.ybn-osg2-mode-button.is-active small {
  color:
    rgba(255, 255, 255, 0.74);
}


.ybn-osg2-focal-copy {
  max-width: 650px;

  margin-bottom: 23px;

  padding-left: 17px;

  border-left:
    2px solid
    var(--ybn-osg2-red);

  color:
    #aeb4bd;
}


.ybn-osg2-focal-copy > span {
  display: block;

  margin-bottom: 7px;

  color:
    #ff5257;

  font-size: 8px;
  font-weight: 720;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}


.ybn-osg2-focal-copy p {
  margin-bottom: 0;

  font-size: 12px;
  line-height: 1.66;
}



/*
===============================================================================
FOCAL PLANE TITLE SPACING
作用：
1. 保留当前两行标题结构。
2. 增加两行之间的呼吸空间。
3. 不明显增加整个深色模块的高度。
===============================================================================
*/

.ybn-osg2-chapter__content--dark h3 {
  max-width: 650px;

  font-size:
    clamp(38px, 3.2vw, 53px);

  line-height: 1.09;
  letter-spacing: -0.048em;
}

/*
FFP与SFP说明文字长度不同。
固定说明区域的最小高度，切换时整章不会上下跳动。
*/
.ybn-osg2-focal-copy {
  min-height: 91px;
}

.ybn-osg2-focal-copy p {
  min-height: 3.45em;
}





/*
===============================================================================
16. REVEAL
===============================================================================
*/

.ybn-osg2-reveal {
  opacity: 0;

  transform:
    translateY(24px);

  transition:
    opacity 650ms
    cubic-bezier(0.2, 0.72, 0.2, 1),
    transform 650ms
    cubic-bezier(0.2, 0.72, 0.2, 1);
}


.ybn-osg2-reveal.is-visible {
  opacity: 1;

  transform:
    translateY(0);
}


/*
===============================================================================
17. RESPONSIVE
===============================================================================
*/

@media (max-width: 1120px) {

  .ybn-osg2-intro {
    grid-template-columns: 1fr;

    gap: 30px;
  }


  .ybn-osg2-chapter,
  .ybn-osg2-chapter--dark {
    grid-template-columns: 1fr;
  }


  .ybn-osg2-chapter--dark
  .ybn-osg2-visual {
    order: 2;
  }


  .ybn-osg2-chapter--dark
  .ybn-osg2-chapter__content {
    order: 1;
  }
}


@media (max-width: 760px) {

  .ybn-osg2-shell {
    padding:
      70px
      14px
      68px;
  }


  .ybn-osg2-heading {
    font-size:
      clamp(42px, 12vw, 57px);
  }


  .ybn-osg2-chapter {
    gap: 33px;

    padding:
      25px
      17px;

    border-radius: 27px;
  }


  .ybn-osg2-chapter__content h3 {
    font-size:
      clamp(36px, 10.2vw, 49px);
  }


  .ybn-osg2-viewing-status {
    grid-template-columns: 1fr;
  }
  
  .ybn-osg2-viewing-title__line {
    white-space: normal;
  }
}


@media (max-width: 540px) {

  .ybn-osg2-intro__map {
    display: grid;

    grid-template-columns: 1fr;
  }


  .ybn-osg2-intro__map > span {
    justify-content: flex-start;
  }


  .ybn-osg2-mode-switch {
    grid-template-columns: 1fr;
  }


  .ybn-osg2-viewing-control__header,
  .ybn-osg2-focal-control__header {
    flex-direction: column;
  }
}


/*
===============================================================================
18. ACCESSIBILITY / TOUCH
===============================================================================
*/

@media (hover: none), (pointer: coarse) {

  .ybn-osg2-visual::before {
    display: none;
  }


  .ybn-osg2-mode-button:hover {
    transform: none;
  }

}


@media (prefers-reduced-motion: reduce) {

  .ybn-osg2-reveal,
  .ybn-osg2-scene__image,
  .ybn-osg2-target-guide,
  .ybn-osg2-reticle__geometry,
  .ybn-osg2-mode-button {
    transition: none !important;
  }


  .ybn-osg2-reveal {
    opacity: 1 !important;

    transform: none !important;
  }

}


/* ========================================================================== */
/* 04 — Optical Selection Support v1.5.0 */
/* Extracted from current Elementor widget — Stage 3F. */
/* ========================================================================== */

/*
===============================================================================
YUBEEN OPTICS — OPTICAL SELECTION SUPPORT v1.5.0
===============================================================================
所有选择器均限制在 .ybn-oss6 内，避免影响其他 Elementor 模块。
===============================================================================
*/


/* ============================================================================
01. RESET
============================================================================ */

.ybn-oss6,
.ybn-oss6 *,
.ybn-oss6 *::before,
.ybn-oss6 *::after {
  box-sizing: border-box;
}


.ybn-oss6 {
  --ybn-oss6-red: #ed2228;
  --ybn-oss6-red-bright: #ff3d43;
  --ybn-oss6-white: #f8f8f6;
  --ybn-oss6-muted: rgba(239, 241, 244, 0.66);

  --ybn-oss6-spot-x: 72%;
  --ybn-oss6-spot-y: 44%;

  position: relative;

  width: 100%;
  max-width: 100%;

  margin: 0;

  scroll-margin-top: 96px;

  overflow: hidden;
  overflow-x: clip;

  color: var(--ybn-oss6-white);

  background: #090c11;

  font-family: inherit;

  isolation: isolate;
}


.ybn-oss6 a {
  color: inherit;
  text-decoration: none;
}


.ybn-oss6 button,
.ybn-oss6 a {
  font: inherit;
}


/* ============================================================================
02. ELEMENTOR HOST RESET
清除 Elementor 外层可能产生的间距、边框和横向溢出。
============================================================================ */

#optical-selection-support-host,
#optical-selection-support-host > .e-con-inner,
#optical-selection-support-host .elementor-widget-html,
#optical-selection-support-host .elementor-widget-container {
  width: 100% !important;
  max-width: none !important;

  margin: 0 !important;
  padding: 0 !important;

  border: 0 !important;
  box-shadow: none !important;

  background: #090c11 !important;
}


#optical-selection-support-host,
#optical-selection-support-host .elementor-widget-html,
#optical-selection-support-host .elementor-widget-container {
  overflow: hidden !important;
  overflow-x: clip !important;
}


/* ============================================================================
03. OUTER SHELL
============================================================================ */

.ybn-oss6__shell {
  width: min(100%, 1640px);

  margin-inline: auto;

  padding:
    clamp(76px, 6.4vw, 112px)
    clamp(24px, 5.5vw, 90px)
    clamp(84px, 6.8vw, 120px);
}


/* ============================================================================
04. MAIN PANEL
============================================================================ */

.ybn-oss6__panel {
  position: relative;

  min-height: clamp(590px, 37vw, 680px);

  display: grid;

  grid-template-columns:
    minmax(0, 1.05fr)
    minmax(430px, 0.95fr);

  align-items: center;

  gap: clamp(86px, 7.4vw, 138px);

  overflow: hidden;

  padding:
    clamp(72px, 6.1vw, 100px)
    clamp(64px, 6.5vw, 112px);

  border:
    1px solid
    rgba(255, 255, 255, 0.11);

  border-radius:
    clamp(28px, 2.5vw, 40px);

  background:
    radial-gradient(
      640px circle at
      var(--ybn-oss6-spot-x)
      var(--ybn-oss6-spot-y),
      rgba(255, 61, 67, 0.105),
      rgba(255, 61, 67, 0.025) 40%,
      transparent 72%
    ),
    radial-gradient(
      circle at 88% 48%,
      rgba(105, 10, 20, 0.29),
      transparent 40%
    ),
    linear-gradient(
      126deg,
      #080b10 0%,
      #0b1017 58%,
      #1a0b10 100%
    );

  box-shadow:
    0 40px 104px
    rgba(0, 0, 0, 0.32);

  transition:
    border-color 300ms ease,
    box-shadow 300ms ease;
}


.ybn-oss6__panel::before {
  content: "";

  position: absolute;
  z-index: 0;

  inset: 0;

  pointer-events: none;

  background:
    linear-gradient(
      110deg,
      transparent 0%,
      rgba(255, 255, 255, 0.010) 40%,
      rgba(255, 255, 255, 0.044) 49%,
      rgba(255, 255, 255, 0.010) 58%,
      transparent 100%
    );

  transform: translateX(-78%);

  animation:
    ybn-oss6-panel-sheen
    15s
    ease-in-out
    infinite;
}


.ybn-oss6__panel.is-pointer-active {
  border-color:
    rgba(255, 255, 255, 0.17);

  box-shadow:
    0 46px 118px
    rgba(0, 0, 0, 0.38);
}


/* ============================================================================
05. BACKGROUND DECORATION
============================================================================ */

.ybn-oss6__rings {
  position: absolute;
  z-index: 0;

  top: 50%;
  right: clamp(-210px, -10vw, -96px);

  width: clamp(470px, 38vw, 690px);
  aspect-ratio: 1;

  transform: translateY(-50%);

  pointer-events: none;

  opacity: 0.54;
}


.ybn-oss6__rings span {
  position: absolute;

  inset: 50% auto auto 50%;

  border:
    1px solid
    rgba(237, 34, 40, 0.18);

  border-radius: 50%;

  transform: translate(-50%, -50%);

  animation:
    ybn-oss6-ring-breathe
    9s
    ease-in-out
    infinite;
}


.ybn-oss6__rings span:nth-child(1) {
  width: 36%;
  aspect-ratio: 1;
}


.ybn-oss6__rings span:nth-child(2) {
  width: 64%;
  aspect-ratio: 1;

  animation-delay: -2.4s;
}


.ybn-oss6__rings span:nth-child(3) {
  width: 92%;
  aspect-ratio: 1;

  animation-delay: -4.8s;
}


.ybn-oss6__beam {
  position: absolute;
  z-index: 0;

  left: 44%;
  top: 48%;

  width: 60%;
  height: 1px;

  pointer-events: none;

  opacity: 0.40;

  background:
    linear-gradient(
      90deg,
      transparent,
      rgba(237, 34, 40, 0.34),
      transparent
    );

  transform: rotate(-16deg);
}


/* ============================================================================
06. LEFT CONTENT
============================================================================ */

.ybn-oss6__content {
  position: relative;
  z-index: 2;

  max-width: 670px;

  opacity: 0;

  transform: translateY(18px);

  transition:
    opacity 650ms ease,
    transform 650ms cubic-bezier(.2, .75, .2, 1);
}


.ybn-oss6.is-visible
.ybn-oss6__content {
  opacity: 1;
  transform: translateY(0);
}


.ybn-oss6__kicker {
  display: flex;

  align-items: center;

  gap: 14px;

  margin:
    0 0
    clamp(30px, 2.7vw, 40px);

  color: var(--ybn-oss6-red-bright);

  font-size: clamp(10px, 0.72vw, 12px);

  font-weight: 760;

  letter-spacing: 0.22em;
  line-height: 1;

  text-transform: uppercase;
}


.ybn-oss6__kicker span {
  width: 30px;
  height: 1px;

  background: currentColor;
}


.ybn-oss6__title {
  max-width: 650px;

  margin: 0;

  color: var(--ybn-oss6-white);

  font-size:
    clamp(46px, 3.75vw, 66px);

  font-weight: 650;

  letter-spacing: -0.058em;
  line-height: 0.99;
}


.ybn-oss6__title span,
.ybn-oss6__title strong {
  display: block;
}


.ybn-oss6__title strong {
  margin-top: 10px;

  color: var(--ybn-oss6-red-bright);

  font-weight: inherit;
}


.ybn-oss6__description {
  max-width: 620px;

  margin:
    clamp(34px, 3vw, 46px)
    0 0;

  color: var(--ybn-oss6-muted);

  font-size:
    clamp(16px, 1.08vw, 18.5px);

  font-weight: 400;

  line-height: 1.72;
}


/* ============================================================================
07. TOPIC LIST
============================================================================ */

.ybn-oss6__topics {
  display: flex;

  flex-wrap: wrap;

  gap:
    12px 26px;

  margin:
    clamp(38px, 3.4vw, 52px)
    0 0;

  padding:
    22px 0 0;

  border-top:
    1px solid
    rgba(255, 255, 255, 0.12);

  list-style: none;
}


.ybn-oss6__topics li {
  position: relative;

  padding-left: 14px;

  color:
    rgba(248, 248, 246, 0.76);

  font-size:
    clamp(11px, 0.77vw, 13px);

  font-weight: 580;

  line-height: 1.4;
}


.ybn-oss6__topics li::before {
  content: "";

  position: absolute;

  left: 0;
  top: 0.58em;

  width: 4px;
  height: 4px;

  border-radius: 50%;

  background:
    var(--ybn-oss6-red-bright);

  box-shadow:
    0 0 12px
    rgba(255, 61, 67, 0.52);
}


.ybn-oss6__fine-print {
  max-width: 620px;

  margin:
    clamp(34px, 3vw, 46px)
    0 0;

  color:
    rgba(238, 240, 243, 0.36);

  font-size:
    clamp(10px, 0.68vw, 11.5px);

  line-height: 1.58;
}


/* ============================================================================
08. RIGHT ACTION AREA
============================================================================ */

.ybn-oss6__actions {
  position: relative;
  z-index: 2;

  min-width: 0;

  padding-left:
    clamp(52px, 4.8vw, 78px);

  border-left:
    1px solid
    rgba(255, 255, 255, 0.12);

  opacity: 0;

  transform: translateY(18px);

  transition:
    opacity 650ms 100ms ease,
    transform 650ms 100ms cubic-bezier(.2, .75, .2, 1);
}


.ybn-oss6.is-visible
.ybn-oss6__actions {
  opacity: 1;
  transform: translateY(0);
}


.ybn-oss6__actions-kicker {
  margin: 0;

  color:
    rgba(255, 255, 255, 0.48);

  font-size: 10px;

  font-weight: 760;

  letter-spacing: 0.15em;
  line-height: 1;

  text-transform: uppercase;
}


.ybn-oss6__actions-title {
  max-width: 470px;

  margin:
    17px 0 0;

  color: var(--ybn-oss6-white);

  font-size:
    clamp(31px, 2.35vw, 40px);

  font-weight: 640;

  letter-spacing: -0.045em;
  line-height: 1.05;
}


.ybn-oss6__actions-description {
  max-width: 470px;

  margin:
    20px 0 0;

  color:
    rgba(239, 241, 244, 0.57);

  font-size:
    clamp(13.5px, 0.95vw, 16px);

  line-height: 1.66;
}


/* ============================================================================
09. PRIMARY CTA
============================================================================ */

.ybn-oss6__cta {
  --ybn-oss6-btn-x: 50%;
  --ybn-oss6-btn-y: 50%;

  position: relative;

  display: block;

  width: 100%;

  min-height: 104px;

  margin-top:
    clamp(38px, 3.3vw, 50px);

  padding: 1px;

  overflow: hidden;

  border-radius: 24px;

  background:
    rgba(255, 255, 255, 0.085);

  box-shadow:
    0 22px 54px
    rgba(0, 0, 0, 0.24);

  transform:
    translate3d(0, 0, 0);

  transition:
    transform 260ms cubic-bezier(.2, .8, .2, 1),
    box-shadow 260ms ease;
}


/*
流动的 Border Glow。
*/
.ybn-oss6__cta::before {
  content: "";

  position: absolute;
  z-index: 0;

  left: 50%;
  top: 50%;

  width: 190%;
  aspect-ratio: 1;

  pointer-events: none;

  opacity: 0.68;

  background:
    conic-gradient(
      from 0deg,
      transparent 0deg,
      transparent 238deg,
      rgba(237, 34, 40, 0.03) 270deg,
      rgba(255, 61, 67, 0.92) 311deg,
      rgba(255, 255, 255, 0.70) 326deg,
      rgba(255, 61, 67, 0.18) 344deg,
      transparent 360deg
    );

  transform:
    translate(-50%, -50%)
    rotate(0deg);

  animation:
    ybn-oss6-border-rotate
    9s
    linear
    infinite;
}


/*
按钮内部底色及鼠标局部高光。
*/
.ybn-oss6__cta::after {
  content: "";

  position: absolute;
  z-index: 1;

  inset: 1px;

  pointer-events: none;

  border-radius: 23px;

  background:
    radial-gradient(
      300px circle at
      var(--ybn-oss6-btn-x)
      var(--ybn-oss6-btn-y),
      rgba(255, 255, 255, 0.13),
      transparent 64%
    ),
    linear-gradient(
      135deg,
      rgba(78, 12, 21, 0.95) 0%,
      rgba(36, 18, 25, 0.97) 47%,
      rgba(18, 20, 27, 0.99) 100%
    );

  box-shadow:
    inset 0 1px 0
    rgba(255, 255, 255, 0.075);
}


.ybn-oss6__cta:hover {
  box-shadow:
    0 28px 66px
    rgba(237, 34, 40, 0.17);
}


.ybn-oss6__cta-inner {
  position: relative;
  z-index: 3;

  min-height: 102px;

  display: grid;

  grid-template-columns:
    minmax(0, 1fr)
    auto;

  align-items: center;

  gap: 24px;

  padding:
    24px 24px
    24px 30px;
}


/*
按钮表面扫光。
*/
.ybn-oss6__cta-sheen {
  position: absolute;
  z-index: 2;

  top: -80%;
  left: -24%;

  width: 24%;
  height: 260%;

  pointer-events: none;

  opacity: 0.50;

  background:
    linear-gradient(
      90deg,
      transparent,
      rgba(255, 255, 255, 0.28),
      transparent
    );

  filter: blur(1px);

  transform:
    rotate(18deg)
    translateX(-380%);

  animation:
    ybn-oss6-specular-sweep
    7.2s
    ease-in-out
    infinite;
}


.ybn-oss6__cta-copy {
  display: flex;

  flex-direction: column;

  min-width: 0;

  gap: 8px;
}


.ybn-oss6__cta-copy small {
  color:
    rgba(255, 255, 255, 0.48);

  font-size:
    clamp(9.5px, 0.67vw, 11px);

  font-weight: 700;

  letter-spacing: 0.08em;
  line-height: 1;

  text-transform: uppercase;
}


.ybn-oss6__cta-copy strong {
  color: #ffffff;

  font-size:
    clamp(18px, 1.35vw, 22px);

  font-weight: 650;

  letter-spacing: -0.025em;
  line-height: 1.18;

  white-space: normal;
  overflow-wrap: anywhere;
}


.ybn-oss6__cta-lens {
  position: relative;

  display: grid;

  place-items: center;

  width: 58px;
  height: 58px;

  flex: 0 0 auto;

  border:
    1px solid
    rgba(255, 255, 255, 0.18);

  border-radius: 50%;

  background:
    radial-gradient(
      circle at 34% 30%,
      rgba(255, 255, 255, 0.18),
      rgba(255, 255, 255, 0.055) 37%,
      rgba(0, 0, 0, 0.18) 100%
    );

  box-shadow:
    inset 0 0 0 7px
    rgba(255, 255, 255, 0.025);

  transition:
    border-color 240ms ease,
    background 240ms ease,
    box-shadow 240ms ease,
    transform 240ms ease;
}


.ybn-oss6__cta-lens::before,
.ybn-oss6__cta-lens::after {
  content: "";

  position: absolute;

  border-radius: 50%;

  pointer-events: none;
}


.ybn-oss6__cta-lens::before {
  inset: 8px;

  border:
    1px solid
    rgba(255, 255, 255, 0.09);
}


.ybn-oss6__cta-lens::after {
  inset: 17px;

  border:
    1px solid
    rgba(255, 61, 67, 0.30);
}


.ybn-oss6__cta-lens i {
  position: relative;
  z-index: 2;

  color: #ffffff;

  font-size: 21px;
  font-style: normal;
  line-height: 1;

  transition:
    color 240ms ease,
    transform 240ms ease;
}


.ybn-oss6__cta:hover
.ybn-oss6__cta-lens {
  border-color:
    rgba(255, 255, 255, 0.82);

  background:
    #ffffff;

  box-shadow:
    inset 0 0 0 7px
    rgba(237, 34, 40, 0.04),
    0 0 30px
    rgba(255, 255, 255, 0.10);

  transform:
    scale(1.04);
}


.ybn-oss6__cta:hover
.ybn-oss6__cta-lens i {
  color: #17191e;

  transform:
    translate(3px, -3px);
}


/* ============================================================================
10. SECONDARY REVIEW NAVIGATION
============================================================================ */

.ybn-oss6__review {
  position: relative;

  display: grid;

  grid-template-columns:
    minmax(0, 1fr)
    auto;

  align-items: center;

  gap: 24px;

  width: 100%;

  margin: 20px 0 0;

  padding:
    22px 0 24px;

  border: 0;

  border-top:
    1px solid
    rgba(255, 255, 255, 0.12);

  border-bottom:
    1px solid
    rgba(255, 255, 255, 0.12);

  border-radius: 0;

  color: inherit;

  background: transparent;

  text-align: left;

  cursor: pointer;
}


.ybn-oss6__review::after {
  content: "";

  position: absolute;

  left: 0;
  bottom: -1px;

  width: 0;
  height: 1px;

  background:
    var(--ybn-oss6-red-bright);

  transition:
    width 320ms cubic-bezier(.2, .8, .2, 1);
}


.ybn-oss6__review:hover::after,
.ybn-oss6__review:focus-visible::after {
  width: 100%;
}


.ybn-oss6__review-copy {
  display: flex;

  flex-direction: column;

  min-width: 0;

  gap: 6px;
}


.ybn-oss6__review-copy small {
  color:
    rgba(255, 255, 255, 0.43);

  font-size:
    clamp(9.5px, 0.68vw, 11px);

  font-weight: 650;

  line-height: 1.3;
}


.ybn-oss6__review-copy strong {
  color:
    rgba(255, 255, 255, 0.90);

  font-size:
    clamp(14px, 1vw, 16.5px);

  font-weight: 630;

  letter-spacing: -0.02em;
}


.ybn-oss6__review-arrow {
  display: grid;

  place-items: center;

  width: 40px;
  height: 40px;

  border:
    1px solid
    rgba(255, 255, 255, 0.13);

  border-radius: 50%;

  color:
    rgba(255, 255, 255, 0.76);

  font-size: 16px;

  transition:
    color 230ms ease,
    border-color 230ms ease,
    transform 230ms ease;
}


.ybn-oss6__review:hover
.ybn-oss6__review-arrow {
  color:
    var(--ybn-oss6-red-bright);

  border-color:
    rgba(255, 70, 75, 0.45);

  transform:
    translateY(-3px);
}


.ybn-oss6__context-note {
  display: flex;

  flex-wrap: wrap;

  gap: 6px 10px;

  margin:
    22px 0 0;

  color:
    rgba(239, 241, 244, 0.34);

  font-size:
    clamp(9.5px, 0.67vw, 11px);

  line-height: 1.4;
}


.ybn-oss6__context-note span {
  color:
    var(--ybn-oss6-red-bright);
}


/* ============================================================================
11. FOCUS STATES
============================================================================ */

.ybn-oss6__cta:focus-visible,
.ybn-oss6__review:focus-visible {
  outline:
    2px solid
    #ffffff;

  outline-offset:
    5px;
}


/* ============================================================================
12. ANIMATIONS
============================================================================ */

@keyframes ybn-oss6-panel-sheen {

  0%,
  67% {
    transform:
      translateX(-78%);
  }

  83% {
    transform:
      translateX(74%);
  }

  100% {
    transform:
      translateX(74%);
  }

}


@keyframes ybn-oss6-ring-breathe {

  0%,
  100% {
    opacity: 0.42;

    transform:
      translate(-50%, -50%)
      scale(0.97);
  }

  50% {
    opacity: 0.82;

    transform:
      translate(-50%, -50%)
      scale(1.035);
  }

}


@keyframes ybn-oss6-border-rotate {

  to {
    transform:
      translate(-50%, -50%)
      rotate(360deg);
  }

}


@keyframes ybn-oss6-specular-sweep {

  0%,
  60% {
    transform:
      rotate(18deg)
      translateX(-380%);
  }

  80% {
    transform:
      rotate(18deg)
      translateX(610%);
  }

  100% {
    transform:
      rotate(18deg)
      translateX(610%);
  }

}


/* ============================================================================
13. RESPONSIVE — TABLET / HIGH ZOOM
============================================================================ */

@media (max-width: 1180px) {

  .ybn-oss6__panel {
    min-height: 0;

    grid-template-columns:
      minmax(0, 1fr);

    gap: 64px;

    padding:
      clamp(56px, 7vw, 82px);
  }


  .ybn-oss6__content {
    max-width: 780px;
  }


  .ybn-oss6__actions {
    max-width: 760px;

    padding:
      58px 0 0;

    border-left: 0;

    border-top:
      1px solid
      rgba(255, 255, 255, 0.12);
  }


  .ybn-oss6__rings {
    right: -230px;
    top: 72%;
  }

}


/* ============================================================================
14. RESPONSIVE — MOBILE
============================================================================ */

@media (max-width: 720px) {

  .ybn-oss6__shell {
    padding:
      44px 16px
      52px;
  }


  .ybn-oss6__panel {
    gap: 48px;

    padding:
      44px 24px
      48px;

    border-radius: 24px;
  }


  .ybn-oss6__title {
    font-size:
      clamp(40px, 11.8vw, 54px);

    letter-spacing:
      -0.056em;
  }


  .ybn-oss6__description {
    margin-top: 28px;

    font-size: 15px;
  }


  .ybn-oss6__topics {
    display: grid;

    grid-template-columns:
      minmax(0, 1fr);

    gap: 14px;

    margin-top: 34px;
  }


  .ybn-oss6__actions {
    padding-top: 44px;
  }


  .ybn-oss6__actions-title {
    font-size: 31px;
  }


  .ybn-oss6__cta {
    min-height: 96px;

    border-radius: 20px;
  }


  .ybn-oss6__cta::after {
    border-radius: 19px;
  }


  .ybn-oss6__cta-inner {
    min-height: 94px;

    gap: 15px;

    padding:
      20px 16px
      20px 22px;
  }


  .ybn-oss6__cta-copy small {
    font-size: 8.5px;
  }


  .ybn-oss6__cta-copy strong {
    font-size: 16px;
  }


  .ybn-oss6__cta-lens {
    width: 48px;
    height: 48px;
  }


  .ybn-oss6__context-note {
    display: grid;

    grid-template-columns:
      minmax(0, 1fr);
  }


  .ybn-oss6__context-note span {
    display: none;
  }

}


/* ============================================================================
15. TOUCH / REDUCED MOTION
============================================================================ */

@media (hover: none),
(pointer: coarse) {

  .ybn-oss6__cta {
    transform:
      none !important;
  }


  .ybn-oss6__panel {
    --ybn-oss6-spot-x: 78%;
    --ybn-oss6-spot-y: 44%;
  }

}


@media (prefers-reduced-motion: reduce) {

  .ybn-oss6 *,
  .ybn-oss6 *::before,
  .ybn-oss6 *::after {
    scroll-behavior:
      auto !important;

    animation-duration:
      1ms !important;

    animation-iteration-count:
      1 !important;

    transition-duration:
      1ms !important;
  }


  .ybn-oss6__content,
  .ybn-oss6__actions {
    opacity:
      1 !important;

    transform:
      none !important;
  }

}


/* ============================================================================
16. MODEL GRID SCROLL OFFSET
============================================================================ */

#optical-model-grid-host,
#optical-current-models,
[data-ybn-optical-model-grid],
[id^="ybn-optical-model-grid"] {
  scroll-margin-top:
    110px;
}


@media (max-width: 720px) {

  #optical-model-grid-host,
  #optical-current-models,
  [data-ybn-optical-model-grid],
  [id^="ybn-optical-model-grid"] {
    scroll-margin-top:
      82px;
  }

}

/* ED5-25x56 SFIR FFP Circular Series Hero desktop calibration — 2026-08-16
   Goal: reduce desktop overflow in the first screen only.
   Tablet and mobile intentionally keep the existing scale. */
@media (min-width: 981px) {
  .ybn-och5-card[data-ybn-model-slug="ed5-25x56-sfir-ffp"] {
    --ybn-och5-placeholder-image-scale: 1.22;
  }

  .ybn-och5-card[data-ybn-model-slug="ed5-25x56-sfir-ffp"] .ybn-och5-card__image {
    height: clamp(236px, 19.25vw, 300px);
    max-width: 73%;
    max-height: 86%;
  }

  .ybn-och5-card[data-ybn-model-slug="ed5-25x56-sfir-ffp"] .ybn-och5-card__product:hover .ybn-och5-card__image,
  .ybn-och5-card[data-ybn-model-slug="ed5-25x56-sfir-ffp"] .ybn-och5-card__product:focus-visible .ybn-och5-card__image {
    transform: rotate(var(--ybn-och5-placeholder-rotation)) scale(1.27);
  }
}

/* BS1 / ED5 / MT4 / VX3 / PT6 / VX5 Current Models image refinement — 2026-08-17
   Goal: enlarge desktop cards slightly while keeping the full vertical product visible,
   and avoid undersized/narrow cards on small screens. */
.ybn-omg2-card[data-ybn-slug="bs1-5x24"] .ybn-omg2-card__image,
.ybn-omg2-card[data-ybn-slug="ed5-25x56-sfir-ffp"] .ybn-omg2-card__image,
.ybn-omg2-card[data-ybn-slug="mt4-16x44-sf-ffp"] .ybn-omg2-card__image,
.ybn-omg2-card[data-ybn-slug="vx3-18x50-sfir"] .ybn-omg2-card__image,
.ybn-omg2-card[data-ybn-slug="pt6-24x50-sf"] .ybn-omg2-card__image,
.ybn-omg2-card[data-ybn-slug="vx5-25x50-sfir"] .ybn-omg2-card__image {
  height: clamp(220px, 18.1vw, 286px);
  max-width: 86%;
  max-height: calc(100% - 8px);
}

.ybn-omg2-card[data-ybn-slug="bs1-5x24"]:hover .ybn-omg2-card__image,
.ybn-omg2-card[data-ybn-slug="bs1-5x24"]:focus-within .ybn-omg2-card__image,
.ybn-omg2-card[data-ybn-slug="ed5-25x56-sfir-ffp"]:hover .ybn-omg2-card__image,
.ybn-omg2-card[data-ybn-slug="ed5-25x56-sfir-ffp"]:focus-within .ybn-omg2-card__image,
.ybn-omg2-card[data-ybn-slug="mt4-16x44-sf-ffp"]:hover .ybn-omg2-card__image,
.ybn-omg2-card[data-ybn-slug="mt4-16x44-sf-ffp"]:focus-within .ybn-omg2-card__image,
.ybn-omg2-card[data-ybn-slug="vx3-18x50-sfir"]:hover .ybn-omg2-card__image,
.ybn-omg2-card[data-ybn-slug="vx3-18x50-sfir"]:focus-within .ybn-omg2-card__image,
.ybn-omg2-card[data-ybn-slug="pt6-24x50-sf"]:hover .ybn-omg2-card__image,
.ybn-omg2-card[data-ybn-slug="pt6-24x50-sf"]:focus-within .ybn-omg2-card__image,
.ybn-omg2-card[data-ybn-slug="vx5-25x50-sfir"]:hover .ybn-omg2-card__image,
.ybn-omg2-card[data-ybn-slug="vx5-25x50-sfir"]:focus-within .ybn-omg2-card__image {
  transform: translateY(-4px) scale(1.018);
}

@media (max-width: 980px) {
  .ybn-omg2-card[data-ybn-slug="bs1-5x24"] .ybn-omg2-card__image,
  .ybn-omg2-card[data-ybn-slug="ed5-25x56-sfir-ffp"] .ybn-omg2-card__image,
  .ybn-omg2-card[data-ybn-slug="mt4-16x44-sf-ffp"] .ybn-omg2-card__image,
  .ybn-omg2-card[data-ybn-slug="vx3-18x50-sfir"] .ybn-omg2-card__image,
  .ybn-omg2-card[data-ybn-slug="pt6-24x50-sf"] .ybn-omg2-card__image,
  .ybn-omg2-card[data-ybn-slug="vx5-25x50-sfir"] .ybn-omg2-card__image {
    height: clamp(238px, 31vw, 318px);
    max-width: 84%;
    max-height: calc(100% - 8px);
  }
}

@media (max-width: 680px) {
  .ybn-omg2-card {
    width: 100%;
    max-width: none;
  }

  .ybn-omg2-card[data-ybn-slug="bs1-5x24"] .ybn-omg2-card__image,
  .ybn-omg2-card[data-ybn-slug="ed5-25x56-sfir-ffp"] .ybn-omg2-card__image,
  .ybn-omg2-card[data-ybn-slug="mt4-16x44-sf-ffp"] .ybn-omg2-card__image,
  .ybn-omg2-card[data-ybn-slug="vx3-18x50-sfir"] .ybn-omg2-card__image,
  .ybn-omg2-card[data-ybn-slug="pt6-24x50-sf"] .ybn-omg2-card__image,
  .ybn-omg2-card[data-ybn-slug="vx5-25x50-sfir"] .ybn-omg2-card__image {
    height: clamp(252px, 72vw, 344px);
    max-width: 84%;
    max-height: calc(100% - 6px);
  }
}

/* MT4 / VX3 Circular Series Hero desktop containment refinement — 2026-08-17
   Goal: keep the long diagonal product images visually close to the card edge
   without clipping at the rounded media boundary. Desktop only; tablet/mobile
   retain their existing responsive calibration. */
@media (min-width: 981px) {
  .ybn-och5-card[data-ybn-model-slug="mt4-16x44-sf-ffp"] {
    --ybn-och5-placeholder-image-scale: 1.25;
  }

  .ybn-och5-card[data-ybn-model-slug="vx3-18x50-sfir"] {
    --ybn-och5-placeholder-image-scale: 1.23;
  }

  .ybn-och5-card[data-ybn-model-slug="mt4-16x44-sf-ffp"] .ybn-och5-card__image,
  .ybn-och5-card[data-ybn-model-slug="vx3-18x50-sfir"] .ybn-och5-card__image {
    max-width: 74%;
    max-height: 86%;
  }

  .ybn-och5-card[data-ybn-model-slug="mt4-16x44-sf-ffp"] .ybn-och5-card__product:hover .ybn-och5-card__image,
  .ybn-och5-card[data-ybn-model-slug="mt4-16x44-sf-ffp"] .ybn-och5-card__product:focus-visible .ybn-och5-card__image {
    transform: rotate(var(--ybn-och5-placeholder-rotation)) scale(1.29);
  }

  .ybn-och5-card[data-ybn-model-slug="vx3-18x50-sfir"] .ybn-och5-card__product:hover .ybn-och5-card__image,
  .ybn-och5-card[data-ybn-model-slug="vx3-18x50-sfir"] .ybn-och5-card__product:focus-visible .ybn-och5-card__image {
    transform: rotate(var(--ybn-och5-placeholder-rotation)) scale(1.27);
  }
}


/* VX5-25x50 SFIR Circular Series Hero desktop containment — 2026-08-17
   Goal: use VX5 as the VX Series representative image while keeping the long
   diagonal riflescope close to the card boundary without clipping. Desktop only. */
@media (min-width: 981px) {
  .ybn-och5-card[data-ybn-model-slug="vx5-25x50-sfir"] {
    --ybn-och5-placeholder-image-scale: 1.23;
  }

  .ybn-och5-card[data-ybn-model-slug="vx5-25x50-sfir"] .ybn-och5-card__image {
    max-width: 74%;
    max-height: 86%;
  }

  .ybn-och5-card[data-ybn-model-slug="vx5-25x50-sfir"] .ybn-och5-card__product:hover .ybn-och5-card__image,
  .ybn-och5-card[data-ybn-model-slug="vx5-25x50-sfir"] .ybn-och5-card__product:focus-visible .ybn-och5-card__image {
    transform: rotate(var(--ybn-och5-placeholder-rotation)) scale(1.27);
  }
}