* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body { background: #250000; color: #fff; font-family: "PingFang SC", "Microsoft YaHei", sans-serif; }
button { font: inherit; }
.landing { position: relative; min-height: 100dvh; }
.pc-viewport { position: relative; width: 100vw; height: 100dvh; overflow: hidden; background: #250000 url('../assets/figma/pc-backdrop.webp') center / cover no-repeat; }
.pc-viewport::before { content: ''; position: absolute; inset: 0; background: rgba(0, 0, 0, .4); }
.pc-background { position: absolute; left: 50%; top: 50%; width: 1920px; height: 1080px; overflow: hidden; transform: translate(-50%, -50%) scale(var(--pc-background-scale, 1)); }
.pc-background img { position: absolute; left: 429px; top: -79px; width: 2192px; height: 377px; transform: rotate(31.59deg); transform-origin: top left; }
.stage { position: absolute; left: 50%; top: 50%; overflow: hidden; transform-origin: center; }
.stage--pc { width: 1920px; height: 1080px; transform: translate(-50%, -50%) scale(var(--pc-scale, 1)); }
.slide-layer { position: absolute; inset: 0; width: 100%; height: 100%; }
.slide-layer { pointer-events: none; }
.slide { position: absolute; inset: 0; opacity: 0; transition: opacity .55s ease; }
.slide.is-active { opacity: 1; }
.slide img { position: absolute; display: block; max-width: none; height: auto; }
.pc-title { left: 99px; top: 278px; }
.pc-hero { left: 927px; top: 53px; width: 889px; height: 969px !important; }
.pc-logo { position: absolute; z-index: 1; left: 70px; top: 59px; width: 373px; height: 120px; }
.pc-panel { position: absolute; z-index: 1; left: 54px; top: 786px; width: 1810px; height: 236px; }
.panel-art { display: block; width: 100%; height: 100%; }
.pc-panel .panel-art { clip-path: polygon(0 0, 67.5% 0, 69% 25%, 94.7% 25%, 100% 100%, 6.7% 100%); }
.page-qrcode { position: absolute; z-index: 2; left: 274px; top: 823px; width: 162px; height: 162px; background: #fff; }
.hotspot { position: absolute; z-index: 3; display: block; border: 0; padding: 0; background: transparent; cursor: pointer; }
.hotspot:focus-visible { outline: 4px solid #fff; outline-offset: -4px; }
.pc-ios, .pc-android { top: 823px; width: 377px; height: 83px; }
.pc-ios { left: 514px; }
.pc-android { left: 874px; }
.pc-business, .pc-group { top: 875px; width: 128px; height: 120px; }
.pc-business { left: 1381px; }
.pc-group { left: 1601px; }
.brand { position: absolute; display: flex; align-items: center; gap: 11px; }
.brand-icon { width: 120px; height: 120px; border-radius: 21px; }
.brand-copy { display: flex; width: 242px; flex-direction: column; align-items: center; gap: 6px; }
.brand-word { display: flex; width: 240px; height: 42px; }
.brand-word img:first-child { width: 85px; height: 42px; }
.brand-word img:last-child { width: 155px; height: 42px; }
.brand-copy span { font-size: 40px; line-height: 1.15; white-space: nowrap; }
.hero-composition, .headline, .person { position: absolute; }
.pc-composition .headline { left: 99px; top: 278px; width: 988px; height: 360px; }
.headline .title-art { left: 0; top: 0; }
.pc-composition .person { left: 927px; top: 53px; width: 889px; height: 969px; }
.download-panel { position: absolute; }
.download-button { position: absolute; display: block; max-width: none; }
.pc-button-ios, .pc-button-android { top: 37px; width: 377px; height: 83px; }
.pc-button-ios { left: 460px; }
.pc-button-android { left: 820px; }
.install-note { position: absolute; display: flex; align-items: flex-start; gap: 8px; left: 494px; top: 146px; width: 660px; margin: 0; font-size: 18px; line-height: 1.4; color: rgba(255, 255, 255, .85); }
.install-note img { flex: none; width: 20px; height: 20px; margin-top: 3px; }
.channel { position: absolute; display: flex; flex-direction: column; align-items: center; gap: 4px; color: #fff6df; white-space: nowrap; }
.channel img { width: 72px; height: 72px; }
.channel span { font-size: 28px; line-height: 1.2; }
.pc-channel-business, .pc-channel-group { top: 89px; width: 128px; }
.pc-channel-business { left: 1327px; }
.pc-channel-group { left: 1547px; }
.mobile-viewport { display: none; }
.pagination { position: fixed; z-index: 5; right: 28px; top: 50%; display: flex; flex-direction: column; align-items: center; gap: 13px; transform: translateY(-50%); }
.pagination button { width: 12px; height: 12px; border: 1px solid #ffb6a3; border-radius: 999px; padding: 0; background: #7e170e; cursor: pointer; }
.pagination button.is-active { width: 16px; height: 36px; border: 0; background: #fff4db; box-shadow: 0 0 12px #ff5944; }
.notice { position: fixed; z-index: 10; left: 50%; bottom: 25px; max-width: calc(100vw - 32px); padding: 10px 18px; border-radius: 8px; background: rgba(0, 0, 0, .82); font-size: 14px; opacity: 0; pointer-events: none; transform: translateX(-50%); transition: opacity .2s; }
.notice.is-visible { opacity: 1; }
.guide-modal[hidden] { display: none; }
.guide-modal { position: fixed; z-index: 20; inset: 0; display: flex; justify-content: center; background: #000; }
.guide-sheet { position: relative; display: flex; flex-direction: column; width: 100%; max-width: 750px; height: 100vh; height: 100dvh; overflow: hidden; background: #fff; color: #000; }
.guide-header { position: relative; z-index: 1; display: flex; flex: none; align-items: center; height: 58px; padding: 8px 22px; background: #fff; box-shadow: 0 2px 6px rgba(57, 63, 72, .1); }
.guide-back { position: absolute; z-index: 2; left: 0; top: 0; width: 25px; height: 58px; border: 0; padding: 0; background: transparent; cursor: pointer; }
.guide-back img { width: 20px; height: 20px; }
.guide-logo { width: 50px; height: 50px; border-radius: 10px; }
.guide-brand { width: 46px; height: auto; margin-left: 5px; }
.guide-title { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.guide-title-art { width: auto; height: 19px; margin-left: 12px; }
.guide-content { flex: 1; overflow-y: auto; padding-bottom: 130px; overscroll-behavior: contain; }
.guide-platform { display: block; width: 100%; border: 0; padding: 0; background: #fff; cursor: pointer; }
.guide-platform img, .guide-common-image { display: block; width: 100%; height: auto; }
.guide-footer { position: absolute; z-index: 2; right: 0; bottom: 0; left: 0; display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 0 0 max(19px, env(safe-area-inset-bottom)); color: #fff; }
.guide-footer::before { content: ''; position: absolute; z-index: 0; right: 0; bottom: 0; left: 0; height: 188px; background: linear-gradient(to top, #000 50%, transparent 87%); pointer-events: none; }
.guide-downloads { position: relative; z-index: 1; display: flex; justify-content: center; gap: 8px; width: 90%; }
.guide-downloads button { display: flex; flex: 1; align-items: center; justify-content: center; gap: 4px; min-width: 0; height: 44px; border: 1px solid #f56969; border-radius: 30px; padding: 2px 4px; background: #050000; box-shadow: 0 0 5px 2px #ff6969; color: #fff; cursor: pointer; }
.guide-downloads img { flex: none; width: 31px; height: 34px; }
.guide-downloads span { display: flex; flex-direction: column; align-items: flex-start; min-width: 0; white-space: nowrap; }
.guide-downloads strong { font-size: 14px; line-height: 1.2; }
.guide-downloads small { font-size: 8px; line-height: 1.4; }
.guide-footer-link { position: relative; z-index: 1; border: 0; padding: 0; background: none; color: #fff; font-size: 11px; line-height: 15px; text-align: center; cursor: pointer; }
@media (max-width: 767px) {
  .pc-viewport { display: none; }
  .mobile-viewport { position: relative; display: block; width: 100%; height: 100vh; height: 100dvh; overflow: hidden; touch-action: pan-y; user-select: none; background: linear-gradient(rgba(0, 0, 0, .4), rgba(0, 0, 0, .4)), #250000 url('../assets/figma/h5-backdrop.webp') center top / cover no-repeat; }
  .mobile-word-layer, .stage--mobile { top: calc(50% + var(--mobile-top-offset, -35px) + env(safe-area-inset-top)); width: 750px; height: 1624px; transform: translate(-50%, -50%) scale(var(--mobile-scale, .5)); transform-origin: center; }
  .mobile-word-layer { position: absolute; left: 50%; pointer-events: none; }
  .h5-word { position: absolute; width: 2139px; height: 368px; transform: rotate(31.59deg); transform-origin: top left; }
  .h5-word-one { left: 287px; top: 48px; }
  .h5-word-two { left: -646px; top: -39px; }
  .mobile-logo { position: absolute; left: 40px; top: 111px; width: 256px; height: 82px; }
  .mobile-hero { left: 30px; top: 242px; }
  .mobile-panel { position: absolute; z-index: 1; left: -12px; top: 1120px; width: 727px; height: 325px; }
  .mobile-panel .banner-art { position: absolute; display: block; max-width: none; }
  .banner-top { left: 21px; top: 0; width: 718px; height: 221px; }
  .banner-bottom { left: 56px; top: 221px; width: 642px; height: 104px; }
  .banner-divider { left: 352.5px; top: 221px; width: 41.5px; height: 104px; }
  .banner-left-edge { left: 0; top: 0; width: 109px; height: 221.5px; }
  .banner-right-edge { left: 659px; top: 221px; width: 56px; height: 104px; transform: rotate(180deg); }
  .banner-middle-edge { left: 109px; top: 213px; width: 550px; height: 8px; transform: scaleX(-1); }
  .mobile-logo { gap: 8px; }
  .mobile-logo .brand-icon { width: 82px; height: 82px; border-radius: 14px; }
  .mobile-logo .brand-copy { width: 166px; gap: 4px; }
  .mobile-logo .brand-word { width: 165px; height: 29px; }
  .mobile-logo .brand-word img:first-child { width: 59px; height: 29px; }
  .mobile-logo .brand-word img:last-child { width: 106px; height: 29px; }
  .mobile-logo .brand-copy span { font-size: 28px; }
  .h5-composition { left: 30px; top: 242px; width: 704px; height: 924px; }
  .h5-composition .headline { left: 0; top: 0; width: 704px; height: 259px; }
  .h5-composition .title-art { left: 17px; }
  .slide[data-slide="1"] .h5-composition .title-art { left: 8px; }
  .slide[data-slide="2"] .h5-composition .title-art,
  .slide[data-slide="3"] .h5-composition .title-art { left: 0; }
  .h5-composition .person { left: 0; top: 201px; width: 704px; height: 723px; }
  .mobile-panel .download-button { top: 27px; height: 83px; }
  .mobile-button-ios { left: 55px; }
  .mobile-button-android { left: 345px; }
  .mobile-button-ios { width: 317px; }
  .mobile-button-android { width: 327px; }
  .mobile-panel .install-note { left: 106px; top: 127px; width: 560px; font-size: 19px; line-height: 1.28; }
  .mobile-panel .channel { top: 244px; flex-direction: row; gap: 12px; color: #fff; }
  .mobile-panel .channel img { width: 54px; height: 54px; }
  .mobile-panel .channel span { width: 128px; font-size: 28px; font-weight: 500; line-height: normal; text-align: center; }
  .mobile-channel-business { left: 129px; }
  .mobile-channel-group { left: 427px; }
  .mobile-panel { z-index: 1; }
  .mobile-solution { position: absolute; left: 0; top: 1485px; width: 750px; border: 0; padding: 0; background: none; color: #fff; font-family: "PingFang SC", sans-serif; font-size: 22px; font-weight: 500; line-height: normal; text-align: center; cursor: pointer; }
  .mobile-ios, .mobile-android { top: 1147px; width: 307px; height: 84px; }
  .mobile-ios { left: 43px; }
  .mobile-android { left: 333px; }
  .mobile-business, .mobile-group { top: 1341px; height: 104px; width: 310px; }
  .mobile-business { left: 32px; }
  .mobile-group { left: 340px; }
  .pagination { top: auto; right: auto; bottom: max(18px, env(safe-area-inset-bottom)); left: 50%; flex-direction: row; gap: 9px; transform: translateX(-50%); }
  .pagination button { width: 8px; height: 8px; }
  .pagination button.is-active { width: 25px; height: 8px; }
}
@media (prefers-reduced-motion: reduce) { .slide, .notice { transition: none; } }
@media (max-width: 767px) and (min-aspect-ratio: 375/812) {
  .mobile-word-layer { top: env(safe-area-inset-top); transform: translateX(-50%) scale(var(--mobile-background-scale, .5)); transform-origin: top center; }
}