.ace-intro-replay { appearance: none; border: 0; background: transparent; padding: 0; cursor: pointer; font: inherit; }
.ace-intro-replay[hidden], .ace-intro [hidden] { display: none !important; }
html.ace-intro-open { overflow: hidden; }
.ace-intro { position: fixed; inset: 0; width: 100%; max-width: none; height: 100%; height: 100dvh; max-height: none; margin: 0; padding: 0; border: 0; color: #fff; background: radial-gradient(ellipse at 50% 40%, #173f60, #061322 75%); }
.ace-intro::backdrop { background: #061322; }
.ace-intro[open] { display: grid; place-items: center; }
.ace-intro-gate { width: min(88%, 640px); text-align: center; padding: 24px 0; }
.ace-intro-gate img { display: block; width: min(56vw, 280px, 40dvh); height: auto; margin: 0 auto 28px; filter: drop-shadow(0 12px 45px #7bc7ff30); }
.ace-intro-gate p { margin: 0 0 12px; font-size: 11px; letter-spacing: .3em; color: #d5bb80; }
.ace-intro-gate h2 { margin: 0 0 38px; font-family: 'Songti TC', 'Noto Serif TC', serif; font-size: clamp(23px, 4vw, 34px); font-weight: 600; letter-spacing: .12em; }
.ace-intro .ace-intro-enter { min-width: 240px; padding: 16px 32px; border: 1px solid #e5ca8c; border-radius: 40px; background: linear-gradient(110deg, #244b72, #123457); letter-spacing: .15em; box-shadow: 0 0 0 5px #d5bb8012; }
.ace-intro-enter:hover { filter: brightness(1.2); }
.ace-intro-panel { width: min(100% - 48px, 1080px); height: 100vh; height: 100dvh; min-height: 0; display: grid; grid-template-rows: auto minmax(0, 1fr) auto; padding: max(20px, env(safe-area-inset-top)) 0 max(18px, env(safe-area-inset-bottom)); box-sizing: border-box; gap: 16px; }
.ace-intro-heading { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.ace-intro-heading p { margin: 0 0 5px; color: #d5bb80; letter-spacing: .22em; font-size: 10px; }
.ace-intro-heading h2 { margin: 0; font-family: 'Songti TC', 'Noto Serif TC', serif; font-size: clamp(17px, 2vw, 24px); font-weight: 600; letter-spacing: .08em; }
.ace-intro button { color: #fff; cursor: pointer; font-family: inherit; font-size: 14px; }
.ace-intro-skip, .ace-intro-sound { border: 1px solid #ffffff55; border-radius: 30px; background: #ffffff08; padding: 10px 18px; white-space: nowrap; }
.ace-intro-skip:hover, .ace-intro-sound:hover { border-color: #d5bb80; background: #ffffff15; }
.ace-intro-screen { min-height: 0; position: relative; display: flex; justify-content: center; }
.ace-intro-video { display: block; height: 100%; width: auto; max-width: 100%; min-height: 0; object-fit: contain; border-radius: 8px; }
.ace-intro-play { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); padding: 16px 24px; border: 1px solid #d5bb80; border-radius: 30px; background: #0b2238e8; white-space: nowrap; }
.ace-intro-footer { display: flex; flex-wrap: nowrap; justify-content: center; align-items: center; gap: 18px; padding: 0; margin: 0; border: 0; background: none; min-height: 0; }
.ace-intro .ace-intro-status { margin: 0; flex: 0 1 auto; order: 0; width: auto; font-size: 12px; color: #b9c8d9; }
.ace-intro button:focus-visible, .ace-intro-video:focus-visible { outline: 2px solid #eed29b; outline-offset: 4px; }
@media(max-width:600px) { .ace-intro-panel { width: calc(100% - 24px); gap: 12px; } .ace-intro-heading p { font-size: 8px; letter-spacing: .14em; } .ace-intro-skip, .ace-intro-sound { padding: 9px 13px; } .ace-intro-heading h2 { font-size: 16px; } .ace-intro-replay { font-size: 13px; } }
@media(max-height:480px) { .ace-intro-panel { gap: 6px; padding: 8px 0; } .ace-intro-heading p { display:none; } .ace-intro-heading h2 { font-size:16px; } .ace-intro-skip, .ace-intro-sound { padding:6px 12px; } }