:root{
  --ink:#0b0f14;
  --wrap:1140px;
  --nav-h:72px;

  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);

  --ease:cubic-bezier(.2,.8,.2,1);
  --glass-blur:18px;

  --p-card-w: clamp(280px, 62vw, 700px);
  --p-card-h: clamp(340px, 55vh, 540px);

  --bg-fade: 1700ms;

  --p-grad-0: rgba(11,15,20,0);
  --p-grad-1: rgba(11,15,20,.10);
  --p-grad-2: rgba(11,15,20,.36);
  --p-grad-3: rgba(11,15,20,.86);

  --p-glass-height: 70%;
  --p-glass-blur: 14px;
  --p-glass-sat: 1.10;

  --nbg-blur: 30px;
  --nbg-sat: 1.10;
  --nbg-tint: rgba(255,255,255,.07);
  --nbg-tint-strong: rgba(255,255,255,.085);

  --vert-bar-w: 84px;
  --vert-font: 30px;

  --portal-fade: 550ms;
  --portal-zoom: 8000ms;

  --module-accent-top: rgba(73,167,255,.95);
  --module-accent-bottom: rgba(29,107,255,0);
  --module-logo-size: 50px;

  --dock-bar-h: 50px;
  --dock-open-h: clamp(112px, 14vh, 180px);

  --ps-card-h: min(460px, 62vh);
  --portal-bottom-lift: clamp(56px, 7vh, 92px);
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  background: var(--ink);
  color:#fff;
  font-family: system-ui,-apple-system,"Segoe UI",Roboto,"PingFang SC","Microsoft Yahei",sans-serif;
  overflow:hidden;
}
a{ color:inherit; text-decoration:none; }
button{ font:inherit; color:inherit; }
.wrap{ width:min(var(--wrap), calc(100% - 40px)); margin:0 auto; }

/* 噪点层 */
.noise-layer{
  position:absolute; inset:0;
  pointer-events:none;
  opacity: .055;
  background-image:
    repeating-linear-gradient(0deg, rgba(255,255,255,.10) 0, rgba(255,255,255,.10) 1px, rgba(0,0,0,0) 2px, rgba(0,0,0,0) 4px),
    repeating-linear-gradient(90deg, rgba(255,255,255,.07) 0, rgba(255,255,255,.07) 1px, rgba(0,0,0,0) 2px, rgba(0,0,0,0) 5px);
  mix-blend-mode: overlay;
}

/* Header */
.site-header{
  position: fixed; top:0; left:0; right:0;
  z-index: 60;
  height: calc(var(--nav-h) + var(--safe-top));
  padding-top: var(--safe-top);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  background: linear-gradient(180deg, rgba(11,15,20,.86), rgba(11,15,20,.58));
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.header-row{ height: var(--nav-h); display:flex; align-items:center; justify-content:space-between; gap:16px; }
.site-brand{ display:flex; align-items:center; }
.header-brand-img{
  height: 38px;
  width:auto;
  max-width: min(520px, 62vw);
  display:block;
  object-fit: contain;
  object-position: left center;
}
.top-nav{ display:flex; gap:14px; align-items:center; }
.top-nav-link{
  appearance:none; border:none; background:transparent;
  padding:8px 0;
  color: rgba(255,255,255,.72);
  font-size:13px;
  letter-spacing:.10em;
  text-transform: uppercase;
  cursor:pointer;
}
.top-nav-link:hover{ color: rgba(255,255,255,.92); text-decoration: underline; text-underline-offset: 6px; }

.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding: 9px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.06);
  color: rgba(255,255,255,.92);
  cursor:pointer;
  transition: transform .15s var(--ease), background .2s var(--ease);
  user-select:none;
}
.btn:hover{ background: rgba(255,255,255,.085); transform: translateY(-1px); }
.btn.ghost{ background: transparent; border-color: rgba(255,255,255,.14); }

/* Scenes */
.app{ position: relative; height: 100vh; padding-top: calc(var(--nav-h) + var(--safe-top)); }
.scene{
  position: absolute;
  inset: calc(var(--nav-h) + var(--safe-top)) 0 0 0;
  overflow: hidden;
  pointer-events:none;
  opacity:0;
  transform: translateY(2vh);
  transition: opacity 420ms var(--ease), transform 520ms var(--ease);
  z-index: 1;
}
body.view-hero #heroScene{ opacity:1; transform: translateY(0); pointer-events:auto; z-index:2; }
body.view-portal #portalScene{ opacity:1; transform: translateY(0); pointer-events:auto; z-index:2; }

.zone-title{
  margin:0 0 6px;
  font-size: 24px;
  letter-spacing:.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,.92);
  text-align:center;
}
.zone-subtitle{
  margin:0 auto;
  max-width: 920px;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(255,255,255,.74);
  text-align:center;
}

.scroll-hint{
  color: rgba(255,255,255,.62);
  font-size: 13px;
  letter-spacing:.06em;
  user-select:none;
  text-align:center;
}
.scroll-hint-hero{
  position:absolute;
  left:50%;
  transform: translateX(-50%);
  bottom: calc(var(--dock-bar-h) + var(--dock-open-h) + var(--safe-bottom) + 18px);
  z-index: 3;
}
.scroll-hint-portal{ margin: 2px 0 0; }

/* HERO */
.hero-bg{
  position:absolute; inset:0;
  background:
    radial-gradient(900px 600px at 30% 20%, rgba(73,167,255,.18), transparent 60%),
    radial-gradient(900px 600px at 70% 25%, rgba(29,107,255,.16), transparent 60%),
    linear-gradient(180deg, rgba(255,255,255,.02), transparent 55%);
  opacity:.95;
}
.theme-projection{ position:absolute; inset:0; z-index:1; pointer-events:none; overflow:hidden; }
.theme-layer{
  position:absolute; inset:0;
  background: none center/cover no-repeat;
  opacity:0;
  transition: opacity 420ms var(--ease);
  filter: saturate(1.05) contrast(1.05);
}
.theme-layer.is-on{ opacity:.34; }
.theme-vignette{
  position:absolute; inset:0;
  background:
    radial-gradient(1100px 700px at 50% 45%, rgba(73,167,255,.12), transparent 66%),
    radial-gradient(900px 520px at 20% 20%, rgba(29,107,255,.10), transparent 60%),
    linear-gradient(180deg, rgba(11,15,20,.06), rgba(11,15,20,.92));
}
.theme-projection::after{
  content:"";
  position:absolute; left:0; right:0; bottom:0;
  height:55%;
  background: linear-gradient(to bottom, rgba(11,15,20,0), rgba(11,15,20,.55) 55%, rgba(11,15,20,1));
}
.hero-inner{ position:relative; z-index:2; padding-top:62px; padding-bottom: calc(var(--dock-open-h) + 42px); }
.hero-kicker{ color: rgba(255,255,255,.72); letter-spacing:.12em; text-transform: uppercase; font-size:12px; margin-bottom:14px; }
.hero-title{ font-size: clamp(28px, 4vw, 52px); line-height:1.10; margin:0 0 14px; }
.hero-subtitle{ margin:0; color: rgba(255,255,255,.72); line-height:1.75; max-width: 920px; }
.hero-fade{
  position:absolute; left:0; right:0; bottom:0;
  height:220px;
  background: linear-gradient(180deg, rgba(11,15,20,0), rgba(11,15,20,.58) 45%, rgba(11,15,20,1));
}
.hero-timer{
  position:absolute;
  left:50%;
  transform: translateX(-50%);
  bottom: calc(var(--dock-bar-h) + var(--dock-open-h) + var(--safe-bottom) + 40px);
  width: min(520px, 88vw);
  height: 3px;
  background: rgba(255,255,255,.10);
  border-radius: 99px;
  overflow:hidden;
  z-index: 3;
}
.hero-timer.is-hidden{ opacity:0; }
.hero-timer-bar{
  width:100%;
  height:100%;
  background: rgba(73,167,255,.85);
  transform-origin: center center;
  transform: scaleX(1);
}

/* PORTAL ATMO（保持原样） */
.portal-atmo{
  position:absolute;
  inset:-140px -120px -120px -120px;
  z-index:0;
  pointer-events:none;
  overflow:hidden;
}
.portal-bg{
  position:absolute; inset:0;
  background: none center/cover no-repeat;
  opacity:0;
  transition: opacity var(--portal-fade) var(--ease);
  filter: saturate(1.05) contrast(1.05);
  transform: scale(0.95);
}
.portal-bg.is-on{
  opacity:.48;
  animation: portalKenBurns var(--portal-zoom) linear forwards;
}
@keyframes portalKenBurns{
  from { transform: scale(0.95); }
  to   { transform: scale(1.05); }
}
.portal-vignette{
  position:absolute; inset:0;
  background:
    radial-gradient(1200px 800px at 50% 40%, rgba(73,167,255,.10), transparent 64%),
    radial-gradient(1200px 900px at 50% 50%, rgba(0,0,0,0), rgba(0,0,0,.72) 78%, rgba(0,0,0,.92) 100%),
    linear-gradient(180deg, rgba(11,15,20,.08), rgba(11,15,20,.96));
}
.portal-shutter{
  position:absolute; inset:0;
  background: rgba(0,0,0,.96);
  opacity:0;
  transition: opacity var(--portal-fade) var(--ease);
}
.portal-atmo.is-blackout .portal-shutter{ opacity:1; }

/* PORTAL Layout */
.portal-shell{
  position: relative;
  height:100%;
  z-index:2;
  display:flex;
  flex-direction: column;
  padding-bottom: calc(var(--safe-bottom) + 14px);
}
.portal-head{ padding-top:18px; position:relative; z-index:25; }
.portal-head-actions{ display:flex; justify-content:center; margin-top: 14px; }

.portal-stage{
  position: relative;
  flex:1;
  min-height:0;
  width:100vw;
  display:grid;
  place-items:center;
  z-index:20;
}
.portal-viewport{ width:100%; height:100%; position:relative; overflow:hidden; touch-action: pan-y; }
.portal-cards{ position:relative; width:100%; height:100%; perspective:1200px; transform-style: preserve-3d; }

/* coverflow card（桌面用，保持） */
.p-card{
  position:absolute;
  left:50%;
  top:52%;
  width: var(--p-card-w);
  height: var(--p-card-h);
  transform: translate3d(-50%,-50%,0);
  border-radius:24px;
  border:1px solid rgba(255,255,255,.12);
  overflow:hidden;
  box-shadow: 0 18px 54px rgba(0,0,0,.34);
  background: rgba(255,255,255,.04);
  transition: transform 520ms var(--ease), opacity 520ms var(--ease), filter 520ms var(--ease);
  will-change: transform, opacity, filter;
  cursor:pointer;
}
.p-card[data-state="side"]{
  background: rgba(11,15,20,.34);
  border-color: rgba(255,255,255,.18);
  box-shadow: 0 20px 64px rgba(0,0,0,.46);
  backdrop-filter: blur(18px) saturate(1.15);
  -webkit-backdrop-filter: blur(18px) saturate(1.15);
}
.p-bg{ position:absolute; inset:0; background: rgba(0,0,0,.10); }
.p-bg-layer{
  position:absolute; inset:0;
  background: none center/cover no-repeat;
  opacity:0;
  transition: opacity var(--bg-fade) var(--ease);
  will-change: opacity;
  transform: scale(1.06);
}
.p-bg-layer.is-on{ opacity:1; }

/* 非中心卡变暗（保持） */
.p-card[data-state="side"] .p-bg-layer{ filter: brightness(.66) saturate(.92); }
.p-card[data-state="side"] .p-bg{ background: rgba(0,0,0,.16); }

.p-card[data-no-bg="1"]{
  background: var(--nbg-tint);
  border-color: rgba(255,255,255,.16);
  backdrop-filter: blur(var(--nbg-blur)) saturate(var(--nbg-sat));
  -webkit-backdrop-filter: blur(var(--nbg-blur)) saturate(var(--nbg-sat));
}
.p-card[data-no-bg="1"][data-state="side"]{ background: var(--nbg-tint-strong); }
.p-card[data-no-bg="1"] .p-bg-layer{ background-image:none !important; opacity:0 !important; }
.p-card[data-no-bg="1"] .p-bg{ background: transparent !important; }

.p-content{
  position:absolute; left:0; right:0; bottom:0;
  padding:18px 16px 16px;
  z-index:3;
}
.p-card:not([data-state="center"]) .p-content{ display:none; }
.p-card[data-state="center"] .p-content::before{
  content:"";
  position:absolute; left:0; right:0; bottom:0;
  height:78%;
  background: linear-gradient(180deg, var(--p-grad-0) 0%, var(--p-grad-1) 34%, var(--p-grad-2) 62%, var(--p-grad-3) 100%);
}
.p-card[data-state="center"] .p-content::after{
  content:"";
  position:absolute; left:0; right:0; bottom:0;
  height: var(--p-glass-height);
  backdrop-filter: blur(var(--p-glass-blur)) saturate(var(--p-glass-sat));
  -webkit-backdrop-filter: blur(var(--p-glass-blur)) saturate(var(--p-glass-sat));
  -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,0) 0%, rgba(0,0,0,.22) 28%, rgba(0,0,0,.85) 64%, rgba(0,0,0,1) 100%);
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0) 0%, rgba(0,0,0,.22) 28%, rgba(0,0,0,.85) 64%, rgba(0,0,0,1) 100%);
}
.p-card[data-state="center"] .p-content > *{ position:relative; z-index:2; }
.p-title{ margin:0; font-size:18px; letter-spacing:.03em; }
.p-tagline{ margin:8px 0 0; color: rgba(255,255,255,.80); font-size:13px; line-height:1.55; }

/* vertical title（保持） */
.p-vert{
  position:absolute; top:0; bottom:0;
  width: var(--vert-bar-w);
  z-index:4;
  display:none;
  align-items:center;
  justify-content:center;
  padding: 12px 0;
}
.p-vert-text{
  writing-mode: vertical-rl;
  text-orientation: mixed;
  letter-spacing:.10em;
  text-transform: uppercase;
  color: rgba(255,255,255,.92);
  font-weight:800;
  font-size: var(--vert-font);
  user-select:none;
}
.p-card:not([data-state="center"]) .p-vert{ display:flex; }
.p-card[data-side="left"] .p-vert{
  left:0;
  background: linear-gradient(90deg, rgba(0,0,0,.92), rgba(0,0,0,.28) 75%, rgba(0,0,0,0));
}
.p-card[data-side="right"] .p-vert{
  right:0;
  background: linear-gradient(270deg, rgba(0,0,0,.92), rgba(0,0,0,.28) 75%, rgba(0,0,0,0));
}
.p-card[data-side="left"] .p-vert-text{ transform: rotate(180deg); }

/* Portal bottom（桌面用） */
.portal-bottom{
  position: relative;
  z-index:30;
  display:flex;
  flex-direction: column;
  align-items:center;
  gap:10px;
  padding:6px 0 10px;
  transform: translateY(calc(-1 * var(--portal-bottom-lift)));
}
.portal-controls{
  width: min(520px, 88vw);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 14px;
}
.portal-nav{
  appearance:none;
  border:none;
  background: transparent;
  cursor:pointer;
  height: 52px;
  width: 52px;
  display:grid;
  place-items:center;
  font-size: 52px;
  line-height: 1;
  color: rgba(255,255,255,.82);
  user-select:none;
}
.portal-nav:hover{ color: rgba(255,255,255,.96); }
.portal-expand{
  height: 52px;
  display:flex;
  align-items:center;
  justify-content:center;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.06);
  border-radius: 12px;
  padding: 0 14px;
  cursor:pointer;
  color: rgba(255,255,255,.90);
}
.portal-expand:hover{ background: rgba(255,255,255,.09); }
.portal-expand-top{ min-width: 140px; }

.portal-timer{
  width: min(520px, 88vw);
  height: 3px;
  background: rgba(255,255,255,.10);
  border-radius: 99px;
  overflow:hidden;
  opacity: 1;
  transition: opacity 220ms var(--ease);
}
.portal-timer.is-hidden{ opacity: 0; }
.portal-timer-bar{
  height:100%;
  width:100%;
  background: rgba(73,167,255,.85);
  transform-origin: center center;
  transform: scaleX(1);
}
.dots{ display:flex; justify-content:center; gap:8px; }
.dots>.dot{
  width:9px;height:9px;border-radius:99px;
  background: rgba(255,255,255,.18);
  border:1px solid rgba(255,255,255,.12);
  cursor:pointer;
}
.dots>.dot.is-active{
  background: rgba(73,167,255,.75);
  border-color: rgba(73,167,255,.55);
  box-shadow: 0 0 18px rgba(73,167,255,.35);
}

/* Sheets（保持） */
.sheet-handle{ width:64px;height:6px;border-radius:99px;background:rgba(255,255,255,.18);margin:10px auto 4px; }
.sheet-head{ padding:8px 0 12px; border-bottom:1px solid rgba(255,255,255,.10); }
.sheet-head-row{ display:flex; align-items:center; justify-content:space-between; gap:12px; }
.sheet-close{
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.06);
  border-radius: 12px;
  padding: 8px 10px;
  cursor:pointer;
  color: rgba(255,255,255,.90);
}
.sheet-close:hover{ background: rgba(255,255,255,.09); }
.sheet-scroll{
  height: calc(100% - 92px);
  overflow:auto;
  padding: 14px 0 calc(18px + var(--safe-bottom));
  -webkit-overflow-scrolling: touch;
}
.portal-sheet{
  position: fixed;
  left:0; right:0;
  top: calc(var(--nav-h) + var(--safe-top));
  bottom: 0;
  z-index: 75;
  transform: translateY(110%);
  transition: transform 360ms var(--ease);
  pointer-events:none;
  background: rgba(11,15,20,.56);
  backdrop-filter: blur(30px) saturate(1.25);
  -webkit-backdrop-filter: blur(30px) saturate(1.25);
  border-top:1px solid rgba(255,255,255,.10);
  border-radius: 22px 22px 0 0;
  overflow:hidden;
}
body.portal-expanded .portal-sheet{ transform: translateY(0); pointer-events:auto; }
.portal-sheet-grid{ display:grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap:14px; }
@media (max-width:720px){ .portal-sheet-grid{ grid-template-columns: 1fr; } }
.ps-card{
  position:relative;
  width:100%;
  min-height: var(--ps-card-h);
  border-radius: 24px;
  border:1px solid rgba(255,255,255,.14);
  overflow:hidden;
  background: rgba(255,255,255,.04);
  box-shadow: 0 18px 54px rgba(0,0,0,.30);
}

.modules-sheet{
  position: fixed;
  left:0; right:0;
  top: calc(var(--nav-h) + var(--safe-top));
  bottom: 0;
  z-index: 70;
  transform: translateY(110%);
  transition: transform 360ms var(--ease);
  pointer-events:none;
  background: rgba(11,15,20,.52);
  backdrop-filter: blur(34px) saturate(1.35);
  -webkit-backdrop-filter: blur(34px) saturate(1.35);
  border-top:1px solid rgba(255,255,255,.10);
  border-radius: 22px 22px 0 0;
  overflow:hidden;
}
body.modules-expanded .modules-sheet{ transform: translateY(0); pointer-events:auto; }

.sheet-grid{ display:grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap:14px; }
@media (max-width:980px){ .sheet-grid{ grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (max-width:620px){ .sheet-grid{ grid-template-columns: 1fr; } }
.sheet-footer{ margin-top:16px; }
.footer-meta{ color: rgba(255,255,255,.58); font-size:12px; line-height:1.6; }

/* module card（保持；portal mobile 列表将复用它） */
.module-card{
  border-radius:20px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.035);
  padding:14px 14px 14px 14px;
  position:relative;
  overflow:hidden;
}
.m-accent{
  position:absolute;
  left:0; top:0; bottom:0;
  width:4px;
  background: linear-gradient(180deg, var(--module-accent-top), var(--module-accent-bottom));
  opacity:.95;
}
.module-card::before{
  content:"";
  position:absolute;
  right:-42px;
  top:50%;
  width: 180px;
  height: 180px;
  transform: translateY(-50%);
  border-radius: 999px;
  background: radial-gradient(circle at 42% 50%,
    rgba(73,167,255,.10) 0%,
    rgba(29,107,255,.055) 40%,
    rgba(73,167,255,.018) 62%,
    transparent 82%);
  opacity: .9;
  filter: blur(2.8px);
  -webkit-mask-image: radial-gradient(circle, rgba(0,0,0,1) 0 62%, rgba(0,0,0,.65) 74%, rgba(0,0,0,0) 92%);
  mask-image: radial-gradient(circle, rgba(0,0,0,1) 0 62%, rgba(0,0,0,.65) 74%, rgba(0,0,0,0) 92%);
}
.module-card::after{
  content:"";
  position:absolute;
  right:-86px;
  top:50%;
  width: 260px;
  height: 260px;
  transform: translateY(-50%);
  border-radius: 999px;
  background: radial-gradient(circle at 42% 50%,
    rgba(73,167,255,.035) 0%,
    rgba(73,167,255,.018) 52%,
    transparent 80%);
  opacity:.85;
  filter: blur(5.8px);
  -webkit-mask-image: radial-gradient(circle, rgba(0,0,0,1) 0 58%, rgba(0,0,0,.35) 78%, rgba(0,0,0,0) 95%);
  mask-image: radial-gradient(circle, rgba(0,0,0,1) 0 58%, rgba(0,0,0,.35) 78%, rgba(0,0,0,0) 95%);
}
.module-card.has-logo{ padding-right: calc(var(--module-logo-size) + 30px); }
.m-logo{
  position:absolute;
  right:12px;
  top:50%;
  transform: translateY(-52%);
  width: var(--module-logo-size);
  height: var(--module-logo-size);
  opacity: .92;
  z-index: 2;
}
.m-logo img{
  width:100%;
  height:100%;
  object-fit: cover;
  display:block;
  border-radius: 10px;
}
.module-title{ margin:0 0 6px; font-size:15px; position:relative; z-index:2; }
.module-text{ margin:0; color: rgba(255,255,255,.72); line-height:1.7; font-size:12px; position:relative; z-index:2; }
.module-actions{ margin-top:10px; display:flex; flex-wrap:wrap; gap:10px; position:relative; z-index:2; }

/* 小 Dock（保持） */
.modules-dock{
  position: fixed; left:0; right:0;
  bottom:0;
  z-index:80;
  padding-bottom: var(--safe-bottom);
  transform: translateY(0);
  transition: transform 320ms var(--ease);
}
body.modules-mini-closed .modules-dock{
  transform: translateY(calc(var(--dock-bar-h) + var(--dock-open-h) + 10px));
}
body.modules-expanded .modules-dock,
body.portal-expanded .modules-dock{
  transform: translateY(calc(var(--dock-bar-h) + var(--dock-open-h) + 10px));
}
.dock-bar{
  height: var(--dock-bar-h);
  background: rgba(11,15,20,.70);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-top:1px solid rgba(255,255,255,.10);
  display:grid;
  place-items:center;
  padding:0 12px;
  position:relative;
}
.dock-center{ display:flex; align-items:center; gap:12px; width:min(var(--wrap), calc(100% - 20px)); }
.dock-title{ letter-spacing:.18em; text-transform: uppercase; font-size:13px; color: rgba(255,255,255,.92); }
.dock-actions{ display:flex; align-items:center; gap:8px; margin-left:auto; }
.dock-btn{
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.06);
  color: rgba(255,255,255,.90);
  border-radius: 12px;
  padding: 8px 10px;
  cursor:pointer;
}
.dock-timer{
  position:absolute;
  left:0; right:0; bottom:0;
  height: 3px;
  background: rgba(255,255,255,.10);
  opacity: 1;
  transition: opacity 220ms var(--ease);
}
.dock-timer.is-hidden{ opacity: 0; }
.dock-timer-bar{
  height:100%;
  width:100%;
  background: rgba(73,167,255,.85);
  transform-origin: center center;
  transform: scaleX(1);
}
.dock-panel{
  height: var(--dock-open-h);
  background: rgba(11,15,20,.62);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-top: none;
}
.dock-inner{ padding:10px 0 12px; }
.mini-module-grid{ display:grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap:12px; }
@media (max-width:980px){ .mini-module-grid{ grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width:520px){ .mini-module-grid{ grid-template-columns: 1fr; } }

.mini-fab{
  position: fixed;
  left: 50%;
  bottom: calc(18px + var(--safe-bottom));
  transform: translate(-50%, 18px);
  z-index: 85;
  opacity: 0;
  pointer-events:none;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(11,15,20,.74);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  color: rgba(255,255,255,.92);
  border-radius: 999px;
  padding: 12px 18px;
  letter-spacing: .16em;
  text-transform: uppercase;
  transition: opacity 200ms var(--ease), transform 220ms var(--ease);
}
body.modules-mini-closed:not(.modules-expanded):not(.portal-expanded) .mini-fab{
  opacity: 1;
  pointer-events:auto;
  transform: translate(-50%, 0);
}
.back-top{
  position: fixed;
  right: 18px;
  bottom: calc(18px + var(--safe-bottom));
  z-index: 90;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(11,15,20,.74);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  color: rgba(255,255,255,.92);
  border-radius: 14px;
  padding: 10px 12px;
  cursor:pointer;
  letter-spacing:.08em;
  opacity: 0;
  pointer-events:none;
  transform: translateY(8px);
  transition: opacity 200ms var(--ease), transform 220ms var(--ease), background 200ms var(--ease);
}
.back-top:hover{ background: rgba(255,255,255,.08); }
body.view-portal .back-top,
body.modules-expanded .back-top,
body.portal-expanded .back-top{
  opacity: 1;
  pointer-events:auto;
  transform: translateY(0);
}
@media (max-width:520px){
  .back-top{ right: 12px; bottom: calc(76px + var(--safe-bottom)); }
}

/* ===========================
   ✅ 手机端 Portal 优化（只改手机）
   =========================== */
.portal-mobile{ display:none; } /* 默认隐藏（桌面端） */

@media (max-width: 720px){
  /* 手机端：隐藏 coverflow 与底部控制（Portal第二页直接列出全部） */
  .portal-stage{ display:none !important; }
  .portal-bottom{ display:none !important; }
  .portal-head-actions{ display:none !important; } /* 展开全部在手机端无意义 */

  /* 手机端：显示 portal 列表，并允许内部滚动 */
  .portal-mobile{
    display:flex;
    flex:1;
    min-height:0;
    z-index:22;
  }
  .portal-mobile-scroll{
    width:100%;
    height:100%;
    overflow:auto;
    -webkit-overflow-scrolling: touch;
    padding: 10px 0 calc(18px + var(--safe-bottom));
  }

  /* 手机端 Portal 列表：像 modules 一样 */
  .portal-mobile-grid{
    display:grid;
    grid-template-columns: 1fr;
    gap: 12px;
  }

  /* 让 Portal 列表卡“可点”，并保留 module-card 的视觉 */
  .portal-list-card{
    cursor:pointer;
    user-select:none;
  }
  .portal-list-meta{
    margin-top: 8px;
    font-size: 12px;
    color: rgba(255,255,255,.70);
    line-height: 1.7;
    position:relative;
    z-index:2;
  }
  .portal-list-right{
    position:absolute;
    right:12px;
    top:12px;
    opacity:.70;
    font-size:12px;
    letter-spacing:.14em;
    text-transform: uppercase;
    z-index:2;
  }
  @media (max-width: 720px){
    /* ✅ 仅手机端 + 仅 Hero 页：隐藏“常用模块”Dock（不影响 Portal/Modules 逻辑） */
    body.view-hero .modules-dock{
      display: none !important;
    }
  
    /* ✅ 同步把 Hero 的提示/倒计时位置往下收（避免留出 Dock 的空位） */
    body.view-hero .scroll-hint-hero{
      bottom: calc(var(--safe-bottom) + 18px) !important;
    }
    body.view-hero .hero-timer{
      bottom: calc(var(--safe-bottom) + 40px) !important;
    }
  }
}