:root { --ink: #111318; --blue: #62c7f4; --deep-blue: #3686e5; --pale: #eef9ff; --line: #d8e8f2; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: #f7fbfd; }
body { margin: 0; min-width: 320px; color: var(--ink); background: radial-gradient(circle at 50% 0, #fff 0 34%, #edf8fd 100%); font-family: "Noto Sans SC", system-ui, sans-serif; }
.site-header { position: sticky; top: 0; z-index: 50; height: 74px; padding: 0 clamp(18px, 5vw, 72px); display: flex; align-items: center; justify-content: space-between; gap: 24px; background: rgba(255,255,255,.88); border-bottom: 1px solid rgba(111,164,194,.22); backdrop-filter: blur(18px); }
.brand { display: inline-flex; align-items: center; gap: 10px; color: #1a2d3b; text-decoration: none; font-size: 14px; font-weight: 900; letter-spacing: .06em; white-space: nowrap; }
.brand-star { display: grid; place-items: center; width: 28px; height: 28px; color: white; border-radius: 50%; background: linear-gradient(135deg, #75dbfb, #637def); box-shadow: 0 6px 18px rgba(70,151,225,.28); }
nav { display: flex; align-items: center; gap: 8px; }
nav a { padding: 10px 14px; color: #526574; border-radius: 999px; text-decoration: none; font-size: 13px; font-weight: 700; transition: .2s ease; }
nav a:hover { color: #2676b9; background: #edf8ff; transform: translateY(-1px); }
.social-dropdown { position: relative; }
.social-trigger { padding: 10px 14px; color: #526574; border: 0; border-radius: 999px; background: transparent; font-size: 13px; font-weight: 700; cursor: pointer; transition: .2s ease; }
.social-trigger span { display: inline-block; margin-left: 3px; transition: transform .2s ease; }
.social-dropdown.open .social-trigger, .social-trigger:hover { color: #2676b9; background: #edf8ff; }
.social-dropdown.open .social-trigger span { transform: rotate(180deg); }
.social-menu { position: absolute; z-index: 80; top: calc(100% + 12px); right: 0; width: 286px; padding: 10px; visibility: hidden; opacity: 0; transform: translateY(-8px); border: 1px solid rgba(111,164,194,.25); border-radius: 18px; background: rgba(255,255,255,.97); box-shadow: 0 20px 60px rgba(54,105,139,.2); backdrop-filter: blur(18px); transition: .2s ease; }
.social-dropdown.open .social-menu, .social-dropdown:focus-within .social-menu { visibility: visible; opacity: 1; transform: translateY(0); }
.social-menu .social-item { position: relative; width: 100%; min-height: 54px; padding: 8px 9px; display: grid; grid-template-columns: 38px 1fr auto; align-items: center; gap: 10px; color: #243b49; border: 0; border-radius: 12px; background: transparent; text-align: left; text-decoration: none; cursor: pointer; }
.social-menu .social-item:hover, .social-menu .social-item:focus-visible { color: #176ba2; background: #eff9ff; transform: none; outline: none; }
.social-icon { display: grid; place-items: center; width: 36px; height: 36px; color: white; border-radius: 11px; font: 800 13px/1 "Rubik", sans-serif; box-shadow: 0 5px 14px rgba(58,118,154,.16); }
.social-icon.bili { background: #23ade5; }
.social-icon.douyin { background: #1d2029; }
.social-icon.weibo { background: #ee4f48; }
.social-icon.wechat { background: #19b65b; }
.social-icon.taptap { background: #32b8a3; font-size: 10px; }
.social-avatar { width: 38px; height: 38px; object-fit: cover; border: 2px solid white; border-radius: 12px; box-shadow: 0 5px 14px rgba(58,118,154,.2); }
.social-item > span:not(.wechat-qr) { display: grid; gap: 2px; }
.social-item strong { font-size: 13px; }
.social-item small { color: #93a3ad; font-size: 10px; font-weight: 500; }
.social-item em { color: #a3b4be; font-style: normal; }
.wechat-qr { position: absolute; right: calc(100% + 16px); top: -46px; width: 204px; padding: 10px; display: none; gap: 8px; justify-items: center; color: #597180; border: 1px solid rgba(111,164,194,.25); border-radius: 16px; background: white; box-shadow: 0 18px 45px rgba(54,105,139,.2); font-size: 10px; }
.wechat-item:hover .wechat-qr, .wechat-item:focus .wechat-qr { display: grid; }
.wechat-qr-crop { position: relative; display: block; width: 184px; height: 184px; overflow: hidden; border-radius: 8px; background: white; }
.wechat-qr-crop img { position: absolute; width: 780px; height: 450px; max-width: none; left: -368px; top: -168px; }
nav .reserve { color: white; background: linear-gradient(135deg, #59c9ee, #5b83ed); box-shadow: 0 8px 22px rgba(74,143,219,.25); }
nav .reserve:hover { color: white; background: linear-gradient(135deg, #42bde7, #4c75dc); }
main { overflow: hidden; }
.poster-stage { position: relative; width: min(1500px, calc(100vw - 28px)); margin: 28px auto 0; aspect-ratio: 4961 / 3508; background: white; border-radius: 28px; box-shadow: 0 30px 90px rgba(45,105,139,.14), 0 0 0 1px rgba(100,160,194,.12); overflow: hidden; }
.main-poster { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; }
.countdown-card { position: absolute; z-index: 10; left: 18.5%; bottom: 11%; width: 41%; padding: clamp(10px, 1.25vw, 19px) clamp(13px, 1.5vw, 23px); text-align: center; border: 1px solid rgba(112,181,219,.34); border-radius: clamp(12px, 1.4vw, 21px); background: rgba(255,255,255,.88); box-shadow: 0 12px 38px rgba(71,135,171,.15); backdrop-filter: blur(10px); }
.countdown-kicker { display: flex; align-items: center; justify-content: center; gap: 10px; margin: 0 0 clamp(7px, .8vw, 12px); color: #527f98; font-size: clamp(9px, .85vw, 13px); font-weight: 800; letter-spacing: .24em; }
.countdown-kicker span { width: 24px; height: 1px; background: #9fd8ed; }
.countdown { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr; align-items: start; gap: clamp(2px, .6vw, 9px); }
.countdown div { min-width: 0; }
.countdown strong { display: block; font: 800 clamp(25px, 4vw, 59px)/.9 "Rubik", sans-serif; letter-spacing: -.045em; font-variant-numeric: tabular-nums; background: linear-gradient(180deg, #213c4f 15%, #4ea4dd 90%); -webkit-background-clip: text; color: transparent; }
.countdown small { display: block; margin-top: 4px; color: #7891a0; font-size: clamp(7px, .62vw, 10px); font-weight: 700; }
.countdown i { color: #8dcbe6; font: 800 clamp(16px, 2.6vw, 38px)/.82 "Rubik", sans-serif; font-style: normal; }
.launch-time { margin: clamp(4px, .55vw, 8px) 0 0; color: #3c6d89; font-size: clamp(7px, .65vw, 10px); font-weight: 800; letter-spacing: .06em; }
.top-stickers { position: absolute; z-index: 8; top: 1.1%; left: 2%; right: 2%; display: flex; align-items: flex-start; justify-content: space-between; }
.top-stickers img, .side-sticker { width: 13.8%; aspect-ratio: 1; object-fit: contain; border-radius: 12%; filter: drop-shadow(0 8px 12px rgba(38,93,126,.12)); }
.side-sticker { position: absolute; z-index: 8; width: 15%; }
.side-sticker.left { left: 1.2%; }
.side-sticker.right { right: 1.2%; }
.side-sticker.l1, .side-sticker.r1 { top: 22.5%; }
.side-sticker.l2, .side-sticker.r2 { top: 48%; }
.side-sticker.l3, .side-sticker.r3 { top: 73.5%; }
.side-sticker.r1 { transform: scaleX(-1); }
.top-stickers img:hover, .side-sticker:hover { z-index: 20; transform: scale(1.06); transition: transform .18s ease; }
.side-sticker.r1:hover { transform: scaleX(-1) scale(1.06); }
.mobile-countdown { display: none; }
.note { margin: 24px 20px 44px; color: #6d8797; text-align: center; font-size: 13px; letter-spacing: .12em; }
.sound-toggle { position: fixed; z-index: 70; right: clamp(14px, 2.4vw, 34px); bottom: clamp(14px, 2.4vw, 30px); min-height: 46px; padding: 9px 15px 9px 10px; display: inline-flex; align-items: center; gap: 9px; color: #315f7b; border: 1px solid rgba(112,181,219,.38); border-radius: 999px; background: rgba(255,255,255,.9); box-shadow: 0 12px 34px rgba(51,111,148,.2); backdrop-filter: blur(14px); font: 800 12px/1 "Noto Sans SC", sans-serif; cursor: pointer; transition: transform .2s ease, box-shadow .2s ease, color .2s ease; }
.sound-toggle:hover { color: #2676b9; transform: translateY(-2px); box-shadow: 0 16px 38px rgba(51,111,148,.26); }
.sound-toggle:focus-visible { outline: 3px solid rgba(98,199,244,.42); outline-offset: 3px; }
.sound-icon { position: relative; display: grid; place-items: center; width: 29px; height: 29px; color: white; border-radius: 50%; background: linear-gradient(135deg, #70d7f7, #627feb); box-shadow: 0 5px 14px rgba(74,143,219,.28); font: 900 17px/1 "Rubik", sans-serif; }
.sound-toggle:not(.is-muted):not(.is-paused) .sound-icon::after { content: ""; position: absolute; inset: -4px; border: 1px solid rgba(98,199,244,.52); border-radius: inherit; animation: sound-pulse 1.8s ease-out infinite; }
.sound-toggle.is-muted .sound-icon::after { content: ""; position: absolute; width: 22px; height: 2px; border-radius: 2px; background: white; transform: rotate(-45deg); box-shadow: 0 0 0 1px rgba(54,134,229,.15); }
.sound-toggle.is-paused .sound-icon { background: linear-gradient(135deg, #9fb8c7, #7e99aa); }
@keyframes sound-pulse { 0% { opacity: .75; transform: scale(.84); } 75%, 100% { opacity: 0; transform: scale(1.35); } }
footer { min-height: 70px; padding: 22px 30px; display: flex; justify-content: center; gap: 22px; color: #91a4af; border-top: 1px solid var(--line); font-size: 10px; font-weight: 700; letter-spacing: .18em; }
@media (min-width: 741px) {
  body { min-height: 100svh; display: grid; grid-template-rows: 74px minmax(0, 1fr) auto; }
  main { min-height: 0; display: flex; flex-direction: column; justify-content: center; }
  .poster-stage { width: min(1500px, calc(100vw - 28px), calc((100svh - 182px) * 4961 / 3508)); margin-top: 14px; }
  .note { margin: 10px 20px 12px; line-height: 1.35; }
  footer { min-height: 42px; padding: 11px 30px; }
}
@media (max-width: 740px) {
  .site-header { height: auto; min-height: 66px; padding: 13px 16px; align-items: flex-start; flex-direction: column; gap: 10px; }
  .brand { font-size: 13px; }
  nav { width: 100%; overflow-x: auto; scrollbar-width: none; }
  nav::-webkit-scrollbar { display: none; }
  nav a { flex: 0 0 auto; padding: 8px 12px; background: #f1f8fc; }
  .poster-stage { width: calc(100vw - 16px); margin-top: 12px; border-radius: 16px; overflow: visible; }
  .social-menu { position: fixed; top: 118px; left: 16px; right: 16px; width: auto; }
  .wechat-qr { right: 8px; top: 52px; z-index: 4; }
  .countdown-card { left: 17%; bottom: 9%; width: 44%; padding: 6px 8px; border-radius: 9px; }
  .top-stickers img { width: 13.8%; }
  .side-sticker { width: 15%; border-radius: 10%; }
  .mobile-countdown { display: none; }
  .countdown-kicker { margin-bottom: 3px; font-size: 6px; }
  .countdown-kicker span { width: 8px; }
  .countdown strong { font-size: clamp(12px, 4.6vw, 22px); }
  .countdown i { font-size: clamp(10px, 3.5vw, 18px); }
  .countdown small { margin-top: 1px; font-size: 5px; }
  .launch-time { margin-top: 2px; font-size: 5px; }
  .note { margin-top: 18px; font-size: 11px; }
  .sound-toggle { min-height: 42px; padding: 7px 12px 7px 8px; }
  .sound-icon { width: 27px; height: 27px; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; } }