/* =========================================================
   CloudDock Homepage
   light / dark mode ready
   ========================================================= */


/* ---------- theme tokens ---------- */
:root{
  color-scheme: light;


  --theme-dur: 260ms;
  --theme-ease: cubic-bezier(.2,.9,.2,1);


  --container-max: 1400px;


  --radius: 16px;
  --radius-lg: 20px;
  --pad: 18px;


  --page-bg: #fafafa;
  --page-bg-2: #f3f4f6;
  --panel: #ffffff;
  --panel-soft: #fcfcfd;
  --panel-glass: rgba(255,255,255,.72);
  --panel-glass-strong: rgba(255,255,255,.84);


  --ink: #0b0b0c;
  --ink-soft: #334155;
  --muted: #6b7280;
  --line: #e5e7eb;
  --line-strong: #d7dbe2;


  --shadow: 0 12px 30px rgba(15,23,42,.08), 0 2px 10px rgba(15,23,42,.04);
  --shadow-soft: 0 8px 18px rgba(15,23,42,.06);
  --shadow-hover: 0 20px 44px rgba(15,23,42,.14), 0 8px 20px rgba(15,23,42,.08);


  --hero-title: #ffffff;
  --hero-sub: #e5e7eb;
  --hero-overlay-start: rgba(3,7,18,.26);
  --hero-overlay-mid: rgba(10,15,28,.12);
  --hero-overlay-end: rgba(250,250,250,.12);
  --hero-bg-filter: blur(12px) brightness(.82) saturate(1.02);


  --hero-btn-bg: rgba(255,255,255,.10);
  --hero-btn-bg-hover: rgba(255,255,255,.18);
  --hero-btn-border: rgba(255,255,255,.24);
  --hero-btn-border-hover: rgba(255,255,255,.36);
  --hero-underline: rgba(255,255,255,.72);


  --live-bg: rgba(255,255,255,.70);
  --group-bg: rgba(255,255,255,.58);
  --group-dash: rgba(148,163,184,.28);


  --bar-bg: #edf1f5;


  --cd-purple: #6B46C1;
  --cd-purple-soft: rgba(107,70,193,.14);
  --accent: #60A5FA;
  --ice: #93C5FD;
  --lav: #A78BFA;
  --pink: #F472B6;


  --green: #10b981;
  --yellow: #f59e0b;
  --red: #ef4444;
  --gray: #9aa3af;


  --pill-ready-bg: #ecfdf5;
  --pill-ready-line: #d1fae5;
  --pill-ready-ink: #065f46;


  --pill-wait-bg: #fffbeb;
  --pill-wait-line: #fde68a;
  --pill-wait-ink: #92400e;


  --pill-full-bg: #fef2f2;
  --pill-full-line: #fecaca;
  --pill-full-ink: #991b1b;


  --hero-min: 42vh;
  --hero-fade-ms: 7000ms;


 --sd-height-desktop: 550px;
  --sd-height-mobile: 420px;
  --sd-bg-scale: 1.02;
  --sd-bg-pos: center center;
  --sd-bg-filter: blur(1px) saturate(1.04);


  --sd-overlay-top: rgba(255,255,255,.48);
  --sd-overlay-bottom: rgba(255,255,255,.34);


  --sd-inner-bg: rgba(255,255,255,.36);
  --sd-inner-border: rgba(229,231,235,.82);
  --sd-inner-blur: 3px;


  --sd-badge-bg: rgba(255,255,255,.58);
  --sd-badge-border: rgba(255,255,255,.42);


  --sd-btn-bg: rgba(255,255,255,.66);
  --sd-btn-border: rgba(255,255,255,.40);
  --sd-primary-bg: rgba(255,255,255,.78);
}


/* system dark fallback: 没 JS 之前也先暗下来 */
@media (prefers-color-scheme: dark){
  html:not([data-theme="light"]){
    color-scheme: dark;


    --page-bg: #05070b;
    --page-bg-2: #0a0f19;
    --panel: #0d1420;
    --panel-soft: #101827;
    --panel-glass: rgba(10,15,25,.62);
    --panel-glass-strong: rgba(12,18,30,.78);


    --ink: #f8fafc;
    --ink-soft: #d8e0ea;
    --muted: #94a3b8;
    --line: rgba(148,163,184,.18);
    --line-strong: rgba(148,163,184,.28);


    --shadow: 0 14px 36px rgba(0,0,0,.34), 0 2px 10px rgba(0,0,0,.28);
    --shadow-soft: 0 8px 20px rgba(0,0,0,.28);
    --shadow-hover: 0 22px 50px rgba(0,0,0,.42), 0 8px 20px rgba(0,0,0,.28);


    --hero-title: #ffffff;
    --hero-sub: rgba(255,255,255,.84);
    --hero-overlay-start: rgba(2,6,23,.42);
    --hero-overlay-mid: rgba(2,6,23,.30);
    --hero-overlay-end: rgba(5,7,11,.48);
    --hero-bg-filter: blur(12px) brightness(.56) saturate(1.06);


    --hero-btn-bg: rgba(15,23,42,.36);
    --hero-btn-bg-hover: rgba(30,41,59,.48);
    --hero-btn-border: rgba(255,255,255,.16);
    --hero-btn-border-hover: rgba(255,255,255,.24);
    --hero-underline: rgba(255,255,255,.74);


    --live-bg: rgba(10,15,25,.56);
    --group-bg: rgba(255,255,255,.03);
    --group-dash: rgba(148,163,184,.22);


    --bar-bg: rgba(148,163,184,.12);


    --pill-ready-bg: rgba(16,185,129,.12);
    --pill-ready-line: rgba(16,185,129,.20);
    --pill-ready-ink: #7df0c1;


    --pill-wait-bg: rgba(245,158,11,.12);
    --pill-wait-line: rgba(245,158,11,.24);
    --pill-wait-ink: #ffd37c;


    --pill-full-bg: rgba(239,68,68,.12);
    --pill-full-line: rgba(239,68,68,.24);
    --pill-full-ink: #ff9c9c;
    
    --sd-overlay-top: rgba(2,6,23,.40);
    --sd-overlay-bottom: rgba(2,6,23,.54);


    --sd-inner-bg: rgba(2,6,23,.34);
    --sd-inner-border: rgba(148,163,184,.18);
    --sd-inner-blur: 3px;


    --sd-badge-bg: rgba(15,23,42,.34);
    --sd-badge-border: rgba(148,163,184,.18);


    --sd-btn-bg: rgba(15,23,42,.42);
    --sd-btn-border: rgba(148,163,184,.18);
    --sd-primary-bg: rgba(30,41,59,.52);
  }
}


/* manual dark override */
html[data-theme="dark"]{
  color-scheme: dark;


  --page-bg: #05070b;
  --page-bg-2: #0a0f19;
  --panel: #0d1420;
  --panel-soft: #101827;
  --panel-glass: rgba(10,15,25,.62);
  --panel-glass-strong: rgba(12,18,30,.78);


  --ink: #f8fafc;
  --ink-soft: #d8e0ea;
  --muted: #94a3b8;
  --line: rgba(148,163,184,.18);
  --line-strong: rgba(148,163,184,.28);


  --shadow: 0 14px 36px rgba(0,0,0,.34), 0 2px 10px rgba(0,0,0,.28);
  --shadow-soft: 0 8px 20px rgba(0,0,0,.28);
  --shadow-hover: 0 22px 50px rgba(0,0,0,.42), 0 8px 20px rgba(0,0,0,.28);


  --hero-title: #ffffff;
  --hero-sub: rgba(255,255,255,.84);
  --hero-overlay-start: rgba(2,6,23,.42);
  --hero-overlay-mid: rgba(2,6,23,.30);
  --hero-overlay-end: rgba(5,7,11,.48);
  --hero-bg-filter: blur(12px) brightness(.56) saturate(1.06);


  --hero-btn-bg: rgba(15,23,42,.36);
  --hero-btn-bg-hover: rgba(30,41,59,.48);
  --hero-btn-border: rgba(255,255,255,.16);
  --hero-btn-border-hover: rgba(255,255,255,.24);
  --hero-underline: rgba(255,255,255,.74);


  --live-bg: rgba(10,15,25,.56);
  --group-bg: rgba(255,255,255,.03);
  --group-dash: rgba(148,163,184,.22);


  --bar-bg: rgba(148,163,184,.12);


  --pill-ready-bg: rgba(16,185,129,.12);
  --pill-ready-line: rgba(16,185,129,.20);
  --pill-ready-ink: #7df0c1;


  --pill-wait-bg: rgba(245,158,11,.12);
  --pill-wait-line: rgba(245,158,11,.24);
  --pill-wait-ink: #ffd37c;


  --pill-full-bg: rgba(239,68,68,.12);
  --pill-full-line: rgba(239,68,68,.24);
  --pill-full-ink: #ff9c9c;
  
 --sd-overlay-top: rgba(2,6,23,.40);
  --sd-overlay-bottom: rgba(2,6,23,.54);


  --sd-inner-bg: rgba(2,6,23,.34);
  --sd-inner-border: rgba(148,163,184,.18);
  --sd-inner-blur: 3px;


  --sd-badge-bg: rgba(15,23,42,.34);
  --sd-badge-border: rgba(148,163,184,.18);


  --sd-btn-bg: rgba(15,23,42,.42);
  --sd-btn-border: rgba(148,163,184,.18);
  --sd-primary-bg: rgba(30,41,59,.52);
}


/* ---------- reset ---------- */
*{ box-sizing:border-box; }


html{
  scroll-behavior:smooth;
  background: var(--page-bg);
}


body{
  margin:0;
  min-height:100vh;
  color: var(--ink);
  font:16px/1.5 system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,"Noto Sans",sans-serif;
  background:
    radial-gradient(1200px 600px at 50% -10%, rgba(107,70,193,.08), transparent 60%),
    radial-gradient(900px 500px at 80% 10%, rgba(96,165,250,.07), transparent 56%),
    linear-gradient(180deg, var(--page-bg), var(--page-bg-2) 35%, var(--page-bg) 100%);
  transition:
    background-color var(--theme-dur) var(--theme-ease),
    color var(--theme-dur) var(--theme-ease);
}


img{ display:block; max-width:100%; }
a{ text-decoration:none; color:inherit; }


.hero,
.live,
.group,
.what-grid,
.fcard,
.meter,
.card,
.edu-banner,
.faq details,
.customize .surface,
.sd-strip-inner,
.sd-strip-bg,
.spec-card,
.seg,
.seg-btn,
.link-btn{
  transition:
    background-color var(--theme-dur) var(--theme-ease),
    color var(--theme-dur) var(--theme-ease),
    border-color var(--theme-dur) var(--theme-ease),
    box-shadow var(--theme-dur) var(--theme-ease),
    transform var(--theme-dur) var(--theme-ease),
    opacity var(--theme-dur) var(--theme-ease);
}


/* ---------- generic buttons ---------- */
.link-btn{
  border:none;
  background:transparent;
  padding:8px 10px;
  border-radius:12px;
  cursor:pointer;
  font:inherit;
}


.link-btn:hover{ background:none; }


/* ---------- hero ---------- */
.hero{
  position:relative;
  overflow:hidden;
  isolation:isolate;
  min-height: calc(var(--hero-min) * 1.3);
}


.hero::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:0;
  background:
    linear-gradient(180deg,
      var(--hero-overlay-start) 0%,
      var(--hero-overlay-mid) 42%,
      var(--hero-overlay-end) 100%);
}


.hero::after{
  content:"";
  position:absolute;
  left:-12%;
  right:-12%;
  bottom:-24%;
  height:54%;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(circle at 28% 50%, rgba(107,70,193,.26), transparent 24%),
    radial-gradient(circle at 72% 54%, rgba(96,165,250,.20), transparent 22%);
  filter: blur(68px);
}


.hero{
  position:relative;
  overflow:hidden;
  isolation:isolate;
  min-height: calc(var(--hero-min) * 1.3);
  background:#05070b; /* 防止过渡/加载瞬间露白 */
}


.hero{
  position:relative;
  overflow:hidden;
  isolation:isolate;
  min-height: calc(var(--hero-min) * 1.3);
  background:#05070b; /* 防止过渡/加载瞬间露白 */
}


.hero-bg{
  position:absolute;
  top:50%;
  left:50%;
  width:100%;
  height:100%;
  min-width:100%;
  min-height:100%;
  object-fit:cover;
  object-position:center;
  filter: var(--hero-bg-filter);
  transform: translate(-50%, -50%) scale(1.12);
  transform-origin:center;
  opacity:1;
  transition:
    opacity var(--hero-fade-ms) ease-in-out,
    filter var(--theme-dur) var(--theme-ease);
  will-change: opacity, transform;
  backface-visibility:hidden;
}


.hero-bg.is-hidden{
  opacity:0;
}



.hero-bg.is-hidden{
  opacity:0;
}



.hero-bg.is-hidden{ opacity:0; }


.hero-inner{
  position:relative;
  z-index:1;
  max-width: var(--container-max);
  margin:56px auto 0;
  padding:52px 16px 22px;
  text-align:center;
}


.hero h1{
  margin:0 0 8px;
  font-size: clamp(34px, 3vw, 38px); /* 旧版观感 */
  line-height: 1.1;
  color: var(--hero-title);
  letter-spacing: .2px;
  text-shadow: 0 10px 28px rgba(0,0,0,.22);
}



.hero .sub{
  margin:0 auto;
  max-width: 920px;
  color: var(--hero-sub);
  font-size: clamp(15px, 1.3vw, 18px);
}


.hero-actions{
  display:flex;
  gap:12px;
  justify-content:center;
  flex-wrap:wrap;
  margin-top:12px;
}


.hero .link-btn{
  position:relative;
  color:#fff;
  padding:10px 14px;
  border-radius:12px;
  border:1px solid var(--hero-btn-border);
  background: var(--hero-btn-bg);
  backdrop-filter: blur(10px) saturate(1.06);
  -webkit-backdrop-filter: blur(10px) saturate(1.06);
  box-shadow: 0 10px 24px rgba(0,0,0,.14);
}


.hero .link-btn:hover,
.hero .link-btn:focus-visible{
  background: var(--hero-btn-bg-hover);
  border-color: var(--hero-btn-border-hover);
  transform: translateY(-1px);
  outline:none;
}


.hero .link-btn:active{
  transform: translateY(0);
}


.hero .link-btn::after{
  content:"";
  position:absolute;
  left:10px;
  right:10px;
  bottom:6px;
  height:2px;
  background: var(--hero-underline);
  transform: scaleX(0);
  transform-origin:left;
  transition: transform .18s ease;
}


.hero .link-btn:hover::after,
.hero .link-btn:focus-visible::after{
  transform: scaleX(1);
}


/* ---------- live availability glass ---------- */
.live{
  max-width: var(--container-max);
  margin:18px auto 0;
  border:1px solid var(--line);
  background: var(--live-bg);
  backdrop-filter: blur(14px) saturate(1.08);
  -webkit-backdrop-filter: blur(14px) saturate(1.08);
  border-radius: var(--radius-lg);
  padding:12px;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:10px;
  box-shadow: var(--shadow);
}


.live.collapsed{ display:none; }


.group{
  background: var(--group-bg);
  border:1px dashed var(--group-dash);
  border-radius:14px;
  padding:12px;
}


.group .title{
  font-weight:700;
  color: var(--ink);
  margin-bottom:6px;
}


.status{
  display:flex;
  gap:8px;
  align-items:center;
}


.dot{
  width:10px;
  height:10px;
  border-radius:50%;
  background: var(--gray);
  box-shadow: 0 0 0 4px rgba(255,255,255,.06);
}


.label{
  color: var(--muted);
}


.price{
  margin-left:auto;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}


/* ---------- content sections ---------- */
.what,
.tabs,
.meters,
.availability,
.faq,
.customize,
.sd-strip{
  max-width: var(--container-max);
  margin:34px auto 0;
  padding:0 16px;
}


.what{
  text-align:center;
}


.what h2,
.tabs h2,
.meters h2,
.availability h2,
.faq h2{
  margin:0 0 12px;
  color: var(--ink);
}


.what-grid{
  display:grid;
  grid-template-columns:1.05fr 1fr;
  gap:16px;
  align-items:center;
  background: var(--panel);
  border:1px solid var(--line);
  border-radius: var(--radius-lg);
  padding:18px;
  box-shadow: var(--shadow-soft);
  text-align:left;
}


.what-media img{
  width:100%;
  aspect-ratio: 4 / 3;
  object-fit:cover;
  border-radius:12px;
  border:1px solid var(--line);
}


.what-copy .lead{
  margin:0 0 10px;
  color: var(--ink);
}


.what-copy p{
  margin:0 0 10px;
  color: var(--muted);
}


.what-copy .bullets{
  margin:10px 0 0 18px;
  color: var(--muted);
}


/* ---------- why clouddock tabs ---------- */
.tabs{
  text-align:center;
}


.tabline{
  position:relative;
  display:inline-flex;
  gap:24px;
  align-items:center;
  border-bottom:1px solid var(--line);
  padding-bottom:6px;
}


.tlabel{
  appearance:none;
  background:transparent;
  border:none;
  font:inherit;
  padding:6px 2px;
  cursor:pointer;
  color: var(--muted);
}


.tlabel.active{
  color: var(--ink);
  font-weight:700;
}


.tabline .indicator{
  position:absolute;
  bottom:-1px;
  height:2px;
  background: var(--ink);
  border-radius:2px;
  transition: transform .25s ease, width .25s ease, background-color var(--theme-dur) var(--theme-ease);
}


.panels{ margin-top:12px; }
.panel[hidden]{ display:none !important; }


.vstack{
  display:grid;
  gap:12px;
}


.fcard{
  background: var(--panel);
  border:1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: var(--pad);
  display:flex;
  align-items:center;
  gap:16px;
  min-height: 210px;
  text-align:left;
  box-shadow: var(--shadow-soft);
}


.fcard:hover{
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}


.fcard .content{
  flex:1;
  display:flex;
  flex-direction:column;
  gap:8px;
  align-items:center;
  text-align:center;
}



.fcard .content h3{
  margin:0;
  width:100%;
  text-align:center;
  color: var(--ink);
}



.fcard .content ul{
  width:min(100%, 460px);
  margin:0 auto;
  padding-left:18px;
  text-align:left; /* 列表内容仍然左对齐，更好读 */
  color: var(--muted);
}



.fcard .content .mini{
  margin-top:auto;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  color: var(--accent);
  font-weight:600;
}



.fcard .media{
  flex:1;
  display:flex;
  justify-content:center;
}


.fcard .media img{
  width:100%;
  max-width:460px;
  height:200px;
  object-fit:cover;
  border-radius:12px;
  border:1px solid var(--line);
}


.fcard:nth-child(even){
  flex-direction: row-reverse;
}


/* ---------- reveal ---------- */
.reveal{
  opacity:0;
  transform: translateY(10px);
  transition: opacity .38s ease, transform .38s ease;
}


.reveal.show{
  opacity:1;
  transform:none;
}


/* ---------- meters ---------- */
.meter{
  background: var(--panel);
  border:1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: var(--pad);
  margin-bottom:12px;
  text-align:left;
  box-shadow: var(--shadow-soft);
}


.meter-title{
  font-weight:700;
  margin-bottom:8px;
  color: var(--ink);
}


.bars{
  display:grid;
  gap:10px;
}


.barrow{
  display:grid;
  grid-template-columns:1fr auto;
  gap:8px;
  align-items:center;
}


.bar{
  position:relative;
  height:10px;
  background: var(--bar-bg);
  border-radius:999px;
  overflow:hidden;
}


.bar .bar-fill{
  position:absolute;
  left:0;
  top:0;
  bottom:0;
  width:0%;
  transition: width .9s cubic-bezier(.2,.8,.2,1);
}


.barrow.ours .bar-fill{ background: var(--cd-purple); }
.barrow.others .bar-fill{ background: var(--ink); }


.rlabel,
.barrow .count{
  font-size:.8rem;
  font-weight:700;
}


.rlabel.ours{ color: var(--cd-purple); }
.rlabel.others{ color: var(--ink); }


.count{
  font-variant-numeric: tabular-nums;
}


/* ---------- monthly custom rigs ---------- */
.customize{
  background:transparent;
  border:none;
}


.customize .surface{
  position:relative;
  overflow:hidden;
  border:1px solid var(--line);
  border-radius: var(--radius-lg);
  padding:24px 16px;
  background:
    linear-gradient(180deg, rgba(147,197,253,.12), rgba(167,139,250,.08)),
    var(--panel);
  box-shadow: var(--shadow-soft);
}


html[data-theme="dark"] .customize .surface{
  background:
    linear-gradient(180deg, rgba(96,165,250,.10), rgba(167,139,250,.08)),
    rgba(13,20,32,.88);
}


@media (prefers-color-scheme: dark){
  html:not([data-theme="light"]) .customize .surface{
    background:
      linear-gradient(180deg, rgba(96,165,250,.10), rgba(167,139,250,.08)),
      rgba(13,20,32,.88);
  }
}


.customize[data-bubbles="on"] .surface::after{
  content:"";
  position:absolute;
  inset:-6% -4% auto -4%;
  height:280px;
  background-image:
    radial-gradient(circle 14px at 18% 40%, rgba(147,197,253,.22) 0 40%, transparent 41%),
    radial-gradient(circle 11px at 62% 32%, rgba(244,114,182,.18) 0 40%, transparent 41%),
    radial-gradient(circle 16px at 82% 72%, rgba(167,139,250,.16) 0 40%, transparent 41%);
  filter: blur(1px);
  pointer-events:none;
}


.customize h2{
  margin:0 0 10px;
  font-size: clamp(28px, 3vw, 38px);
  line-height:1.2;
  color: var(--ink);
}


.customize .lead{
  color: var(--muted);
  margin:0 0 12px;
}


.modebar{
  display:flex;
  align-items:center;
  gap:12px;
  margin: 6px 0 10px;
}


.modebar .hint{
  margin-left:auto;
  color: var(--muted);
  font-size:12px;
}


.seg{
  display:inline-flex;
  border:1px solid var(--line);
  border-radius:999px;
  padding:3px;
  background: var(--panel-glass-strong);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}


.seg-btn{
  appearance:none;
  border:none;
  background:transparent;
  color: var(--ink);
  padding:6px 12px;
  border-radius:999px;
  cursor:pointer;
  font:inherit;
}


.seg-btn.active{
  background: linear-gradient(90deg, var(--ice), var(--lav));
  color:#0b0b0c;
  font-weight:700;
}


.spec-grid{
  display:grid;
  gap:14px;
  margin-top:10px;
}


.spec-grid.grid-3{
  grid-template-columns: repeat(3, minmax(0,1fr));
}


.spec-card{
  border:1px solid var(--line);
  border-radius:14px;
  padding:14px;
  background: color-mix(in srgb, var(--panel) 82%, transparent);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transform: translateY(8px);
  opacity:0;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.06);
}


.spec-card.show{
  transform: translateY(0);
  opacity:1;
}


.spec-card .head{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  margin-bottom:10px;
}


.spec-card .title{
  font-weight:600;
  color: var(--ink);
}


.spec-card .num b{
  font-size:22px;
}


.spec-card .num .unit{
  margin-left:6px;
  color: var(--muted);
  font-style:normal;
}


.spec-card .bar{
  position:relative;
  height:12px;
  background: rgba(0,0,0,.06);
  border-radius:999px;
  overflow:hidden;
}


html[data-theme="dark"] .spec-card .bar{
  background: rgba(148,163,184,.14);
}


@media (prefers-color-scheme: dark){
  html:not([data-theme="light"]) .spec-card .bar{
    background: rgba(148,163,184,.14);
  }
}


.spec-card .bar .fill{
  position:absolute;
  inset:0 auto 0 0;
  width:0%;
  border-radius:999px;
  will-change:width;
  transition: width .9s cubic-bezier(.2,.8,.2,1);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.12);
  background: linear-gradient(90deg, var(--ice), var(--lav));
}


.spec-card .chips{
  display:flex;
  gap:8px;
  margin-top:10px;
  flex-wrap:wrap;
}


.spec-card .chip{
  font-size:12px;
  padding:6px 8px;
  border-radius:999px;
  border:1px dashed var(--line-strong);
  color: var(--muted);
  background: color-mix(in srgb, var(--panel) 88%, transparent);
}


.spec-card .chip.max{
  border-style:solid;
}


.customize .tiny{
  margin:8px 0 0;
  font-size:12px;
  color: var(--muted);
}


.customize .notes{
  margin:10px 0 0 18px;
  color: var(--muted);
}


.customize .notes li{
  margin:6px 0;
}


.customize .cta{
  margin-top:14px;
  position:relative;
}


.customize .cta .link-btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:11px 15px;
  border-radius:999px;
  color: var(--ink);
  background: var(--panel-glass-strong);
  border:1px solid var(--line);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--shadow-soft);
}


.link-btn.pulse{
  animation: pulseGlow 2s ease-in-out infinite;
}


@keyframes pulseGlow{
  0%,100%{ box-shadow: 0 0 0 rgba(124,58,237,0); }
  50%{ box-shadow: 0 0 18px rgba(124,58,237,.26); }
}


.sparkles{
  position:absolute;
  inset:0;
  pointer-events:none;
  overflow:visible;
}


.sparkles .dot{
  position:absolute;
  width:6px;
  height:6px;
  border-radius:50%;
  background: currentColor;
  opacity:0;
  transform: translate(0,0) scale(.6);
  animation: pop 700ms ease forwards;
}


@keyframes pop{
  10%{ opacity:1; }
  100%{ opacity:0; transform: translate(var(--dx), var(--dy)) scale(1); }
}


/* ---------- stable diffusion strip ---------- */
.sd-strip{
  position:relative;
  isolation:isolate;
  margin:28px auto 36px;
}


.sd-strip-bg{
  position:absolute;
  left:16px;
  right:16px;
  top:0;
  bottom:0;
  border-radius:16px;
  background:
    linear-gradient(180deg, var(--sd-overlay-top), var(--sd-overlay-bottom)),
    var(--sd-bg-img);
  background-size: cover;
  background-position: var(--sd-bg-pos);
  background-repeat: no-repeat;
  filter: var(--sd-bg-filter);
  transform: scale(var(--sd-bg-scale));
  z-index:0;
}


.sd-strip-inner{
  position:relative;
  z-index:1;
  min-height: var(--sd-height-desktop);
  border-radius:16px;
  border:1px solid var(--sd-inner-border);
  padding:28px 18px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  text-align:center;
  background: var(--sd-inner-bg);
  backdrop-filter: blur(var(--sd-inner-blur)) saturate(1.03);
  -webkit-backdrop-filter: blur(var(--sd-inner-blur)) saturate(1.03);
  box-shadow: var(--shadow);
}



.sd-title{
  margin:0 0 8px;
  font-size: clamp(30px, 3.2vw, 44px);
  line-height:1.15;
  color: var(--ink);
  letter-spacing:.2px;
}


.sd-sub{
  margin:0 0 18px;
  color: var(--muted);
  font-size: clamp(15px, 1.4vw, 18px);
  max-width:920px;
}


.sd-badges{
  list-style:none;
  padding:0;
  margin:18px 0 28px;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  justify-content:center;
}


.sd-badges li{
  font-size:14px;
  line-height:1;
  color: var(--ink);
  padding:10px 12px;
  border-radius:999px;
  background: var(--sd-badge-bg);
  border:1px solid var(--sd-badge-border);
  box-shadow: 0 1px 0 rgba(0,0,0,.04);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}


.sd-cta{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  justify-content:center;
  margin-top:32px;
}


.sd-btn{
  min-width:144px;
  padding:10px 14px;
  border-radius:999px;
  color: var(--ink);
  border:1px solid var(--sd-btn-border);
  background: var(--sd-btn-bg);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  box-shadow: var(--shadow-soft);
}


.sd-btn:hover{
  transform: translateY(-1px);
}



.sd-primary{
  background: var(--sd-primary-bg);
}

.sd-strip .sd-badges li{
  opacity:0;
  transform: translateY(6px);
}


.sd-strip .sd-strip-inner.show .sd-badges li{
  opacity:1;
  transform:none;
  transition: opacity .35s ease, transform .35s ease;
}


.sd-strip .sd-badges li:nth-child(1){ transition-delay:.02s; }
.sd-strip .sd-badges li:nth-child(2){ transition-delay:.06s; }
.sd-strip .sd-badges li:nth-child(3){ transition-delay:.10s; }
.sd-strip .sd-badges li:nth-child(4){ transition-delay:.14s; }
.sd-strip .sd-badges li:nth-child(5){ transition-delay:.18s; }
.sd-strip .sd-badges li:nth-child(6){ transition-delay:.22s; }
.sd-strip .sd-badges li:nth-child(7){ transition-delay:.26s; }
.sd-strip .sd-badges li:nth-child(8){ transition-delay:.30s; }


/* ---------- availability ---------- */
.cards{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:12px;
}


.card{
  background: var(--panel);
  border:1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: var(--pad);
  cursor:pointer;
  box-shadow: var(--shadow-soft);
}


.card:hover{
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}


.card h3{
  margin:0 0 6px;
  color: var(--ink);
}


.card .mini{
  color: var(--muted);
}


.pill{
  padding:2px 8px;
  border-radius:999px;
  border:1px solid var(--line);
}


.pill.ready{
  background: var(--pill-ready-bg);
  border-color: var(--pill-ready-line);
  color: var(--pill-ready-ink);
}


.pill.wait{
  background: var(--pill-wait-bg);
  border-color: var(--pill-wait-line);
  color: var(--pill-wait-ink);
}


.pill.full{
  background: var(--pill-full-bg);
  border-color: var(--pill-full-line);
  color: var(--pill-full-ink);
}


.edu-banner{
  display:block;
  margin-top:12px;
  padding:14px 16px;
  border-radius:16px;
  background:
    linear-gradient(90deg, rgba(96,165,250,.10), rgba(107,70,193,.10)),
    var(--panel);
  border:1px solid var(--line);
  text-align:center;
  box-shadow: var(--shadow-soft);
}


.edu-banner:hover{
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}


/* ---------- faq ---------- */
.faq{
  margin-bottom: 34px;
}


.faq details{
  background: var(--panel);
  border:1px solid var(--line);
  border-radius: var(--radius);
  padding:12px 14px;
  margin-bottom:10px;
  box-shadow: var(--shadow-soft);
}


.faq summary{
  cursor:pointer;
  font-weight:700;
  color: var(--ink);
}


.faq p{
  color: var(--muted);
}


.faq details[open]{
  box-shadow: var(--shadow);
}


/* ---------- responsive ---------- */
@media (max-width: 1024px){
  .fcard .media img{ max-width:380px; }
  .cards{ grid-template-columns:1fr 1fr; }
  .spec-grid.grid-3{ grid-template-columns:repeat(2, minmax(0,1fr)); }
}


@media (max-width: 900px){
  .what-grid{ grid-template-columns:1fr; }
  .what-media img{ height:220px; }
}


@media (max-width: 640px){
  .hero{
    min-height: calc(var(--hero-min) * 1.1);
  }


  .hero-inner{
    max-width: 980px; /* 旧版 hero 的版心，避免标题看起来又大又散 */
  }



  .hero h1{
    font-size: 30px;
  }




  .live{
    grid-template-columns:1fr;
  }


  .fcard{
    background: var(--panel);
    border:1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: var(--pad);
    display:flex;
    align-items:center;
    gap:16px;
    min-height: 210px;
    box-shadow: var(--shadow-soft);
  }



  .fcard .media img{
    width:100%;
    height:180px;
  }


  .cards{
    grid-template-columns:1fr;
  }


  .spec-grid.grid-3{
    grid-template-columns:1fr;
  }



  .sd-strip-inner{
    position:relative;
    z-index:1;
    min-height: var(--sd-height-desktop);
    border-radius:16px;
    border:1px solid rgba(229,231,235,.82);
    padding:28px 18px;
    display:flex;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    text-align:center;
    background: var(--sd-inner-bg);
    backdrop-filter: blur(var(--sd-inner-blur)) saturate(1.03);
    -webkit-backdrop-filter: blur(var(--sd-inner-blur)) saturate(1.03);
    box-shadow: var(--shadow);
  }



  .sd-badges{
    margin:16px 0 20px;
  }


  .sd-badges li{
    font-size:14px;
    line-height:1;
    color: var(--ink);
    padding:10px 12px;
    border-radius:999px;
    background: rgba(255,255,255,.58);
    border:1px solid rgba(255,255,255,.42);
    box-shadow: 0 1px 0 rgba(0,0,0,.04);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
  }



  .sd-cta{
    margin-top:16px;
  }
}


/* ---------- motion safety ---------- */
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }


  *,
  *::before,
  *::after{
    animation:none !important;
    transition:none !important;
  }


  .reveal,
  .sd-strip .sd-badges li{
    opacity:1 !important;
    transform:none !important;
  }
}