:root{--portal-ink:#18213c;--portal-copy:#5f6982;--portal-faint:#8f98ad;--portal-paper:#ffffff;--portal-mist:#f2f5ff;--portal-line:#dfe5f4;--portal-brand:#4d5fe8;--portal-spark:#30c7d4;--portal-warm:#ff8f6a;--portal-radius:18px;--portal-shadow:0 18px 50px rgba(39, 52, 105, 0.12);--portal-shadow-soft:0 10px 28px rgba(39, 52, 105, 0.08)}*,::after,::before{box-sizing:border-box;margin:0;padding:0}body,html{width:100%;min-height:100%}html{background:var(--portal-mist)}body{min-height:100vh;overflow-x:hidden;color:var(--portal-ink);background:radial-gradient(circle at 18% 8%,rgba(77,95,232,.08),transparent 30%),radial-gradient(circle at 88% 92%,rgba(48,199,212,.08),transparent 32%),var(--portal-mist);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.5;opacity:1!important;transition:opacity 160ms ease;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overscroll-behavior:none}[hidden]{display:none!important}a,button{-webkit-tap-highlight-color:transparent}.portal-root{width:100%;min-height:100vh}.portal-stage{display:none;width:100%;min-height:100vh}.portal-stage.is-current{display:flex;align-items:center;justify-content:center}.portal-stage--flush.is-current{align-items:stretch}.departure-panel,.launch-pad{display:flex;min-width:160px;padding:38px 30px;flex-direction:column;align-items:center;justify-content:center}.flight-orbit{position:relative;width:74px;height:74px;border:1px solid rgba(77,95,232,.18);border-radius:50%}.flight-orbit::before{position:absolute;inset:-3px;border:3px solid transparent;border-top-color:var(--portal-brand);border-right-color:var(--portal-spark);border-radius:inherit;content:"";filter:drop-shadow(0 5px 7px rgba(77, 95, 232, .2));animation:portalOrbit 940ms cubic-bezier(.5,.08,.45,.92) infinite}.flight-orbit::after{position:absolute;top:-6px;left:calc(50% - 5px);width:10px;height:10px;border:2px solid var(--portal-paper);border-radius:50%;background:linear-gradient(135deg,var(--portal-spark),var(--portal-brand));box-shadow:0 0 0 4px rgba(48,199,212,.13),0 7px 15px rgba(77,95,232,.25);content:"";transform-origin:5px 43px;animation:portalSatellite 940ms cubic-bezier(.5,.08,.45,.92) infinite}.flight-core{position:absolute;inset:23px;border-radius:50%;background:linear-gradient(145deg,rgba(77,95,232,.95),rgba(48,199,212,.92));box-shadow:0 0 0 8px rgba(77,95,232,.06);animation:portalBreathe 1.35s ease-in-out infinite}.flight-orbit--compact{width:58px;height:58px}.flight-orbit--compact::after{transform-origin:5px 35px}.flight-orbit--compact .flight-core{inset:18px}@keyframes portalOrbit{to{transform:rotate(360deg)}}@keyframes portalSatellite{to{transform:rotate(360deg)}}@keyframes portalBreathe{0%,100%{opacity:.72;transform:scale(.88)}50%{opacity:1;transform:scale(1)}}.fault-card,.wechat-card{display:flex;width:min(calc(100% - 48px),330px);padding:34px 26px;flex-direction:column;align-items:center;justify-content:center;border:1px solid var(--portal-line);border-radius:var(--portal-radius);background:rgba(255,255,255,.94);box-shadow:var(--portal-shadow-soft);text-align:center;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}.fault-emblem{position:relative;width:46px;height:46px;margin-bottom:17px;border-radius:14px;background:linear-gradient(145deg,#fff0eb,#fff8f4);box-shadow:inset 0 0 0 1px rgba(226,105,72,.22);transform:rotate(8deg)}.fault-emblem::after,.fault-emblem::before{position:absolute;left:50%;width:3px;border-radius:3px;background:#d45f43;content:"";transform:translateX(-50%) rotate(-8deg)}.fault-emblem::before{top:11px;height:15px}.fault-emblem::after{bottom:9px;height:3px}.fault-copy{max-width:280px;color:var(--portal-copy);font-size:15px;line-height:1.7}.content-canvas{display:flex;width:100%;min-height:100vh;flex-direction:column;align-items:center;background:linear-gradient(165deg,rgba(255,255,255,.5),transparent 42%),var(--portal-mist)}.content-canvas.has-caption,.content-canvas.visual-only{justify-content:flex-start;gap:16px;padding:16px}.media-frame{display:flex;width:100%;align-items:flex-start;justify-content:center;transition:flex 240ms ease,height 240ms ease}.content-canvas.visual-only .media-frame{padding:9px;border:1px solid var(--portal-line);border-radius:var(--portal-radius);background:var(--portal-paper);box-shadow:var(--portal-shadow-soft)}.content-canvas.has-caption{height:100vh;min-height:100vh}.content-canvas.has-caption .media-frame{min-height:0;padding:9px;flex:1 1 auto;align-items:center;overflow:hidden;border:1px solid var(--portal-line);border-radius:var(--portal-radius);background:var(--portal-paper);box-shadow:var(--portal-shadow-soft)}.media-action{display:block;width:100%}.portal-visual{display:block;width:100%;height:auto;border-radius:calc(var(--portal-radius) - 7px);opacity:0;transition:opacity 280ms ease,transform 280ms ease;-webkit-touch-callout:default;-webkit-user-select:none;user-select:none}.portal-visual.is-ready{opacity:1}.content-canvas.has-caption .portal-visual{width:100%;height:100%;max-width:100%;max-height:100%;object-fit:contain}.trust-strip{display:none;width:min(440px,100%);margin:0 auto;padding:11px 12px 11px 14px;flex-shrink:0;align-items:center;justify-content:space-between;border:1px solid rgba(77,95,232,.18);border-radius:14px;background:rgba(255,255,255,.9);box-shadow:var(--portal-shadow);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}.trust-strip.is-visible{display:flex}.trust-message{display:inline-flex;min-width:0;align-items:center;gap:10px}.trust-badge{display:inline-flex;width:21px;height:21px;flex:0 0 auto;align-items:center;justify-content:center;color:var(--portal-brand)}.trust-badge svg{display:block;width:100%;height:100%;fill:currentColor}.trust-copy{min-width:0;color:var(--portal-ink);font-size:14px;font-weight:550;line-height:1.45;text-align:left;word-break:break-word}.trust-dismiss{width:27px;height:27px;margin-left:12px;flex:0 0 auto;border:0;border-radius:9px;color:var(--portal-copy);background:#eef1fb;cursor:pointer;font-size:19px;line-height:1}.caption-card{width:100%;padding:18px 20px;flex:0 0 auto;border:1px solid var(--portal-line);border-radius:var(--portal-radius);background:var(--portal-paper);box-shadow:var(--portal-shadow-soft)}.caption-copy{color:var(--portal-ink);font-size:15px;line-height:1.8;letter-spacing:.015em;white-space:pre-wrap;word-break:break-word}.departure-copy{margin-top:18px;color:var(--portal-ink);font-size:15px;font-weight:650}.wechat-bubble{position:relative;width:52px;height:40px;margin-bottom:20px;border:2px solid var(--portal-brand);border-radius:20px}.wechat-bubble::after{position:absolute;bottom:-7px;left:11px;width:13px;height:13px;border-bottom:2px solid var(--portal-brand);border-left:2px solid var(--portal-brand);background:var(--portal-paper);content:"";transform:rotate(-28deg)}.wechat-bubble span,.wechat-bubble span::after{position:absolute;top:16px;width:5px;height:5px;border-radius:50%;background:var(--portal-brand);content:""}.wechat-bubble span{left:15px}.wechat-bubble span::after{top:0;left:16px}.wechat-heading{margin-bottom:8px;color:var(--portal-ink);font-size:18px;font-weight:650}.wechat-copy{color:var(--portal-copy);font-size:14px}.embedded-page{width:100%;height:100vh;border:0;overflow:hidden;background:var(--portal-paper)}@media (max-width:375px){.caption-copy,.departure-copy,.fault-copy{font-size:14px}}@media (prefers-reduced-motion:reduce){*,::after,::before{scroll-behavior:auto!important;animation-duration:1ms!important;animation-iteration-count:1!important;transition-duration:1ms!important}}@media (prefers-color-scheme:dark){:root{--portal-ink:#eef1ff;--portal-copy:#abb4cf;--portal-faint:#818ba8;--portal-paper:#171c31;--portal-mist:#101426;--portal-line:rgba(255, 255, 255, 0.09);--portal-shadow:0 18px 50px rgba(0, 0, 0, 0.32);--portal-shadow-soft:0 10px 28px rgba(0, 0, 0, 0.26)}.fault-card,.trust-strip,.wechat-card{background:rgba(23,28,49,.94)}.trust-dismiss{color:var(--portal-copy);background:#242b47}.flight-orbit::after{border-color:var(--portal-mist)}.wechat-bubble::after{background:var(--portal-paper)}}@supports (padding-bottom:env(safe-area-inset-bottom)){.content-canvas{padding-bottom:env(safe-area-inset-bottom)}}