/* 首屏装置：纯几何视觉，不模拟应用界面。 */
.hero-art{position:absolute;inset:10%;display:grid;place-items:center;overflow:hidden;border-radius:50%;background:radial-gradient(circle at 30% 25%,var(--c-navy-lift),transparent 60%)}
.hero-art__orbit{position:absolute;width:78%;aspect-ratio:1;border:2px solid var(--c-yellow);border-radius:50%;transform:rotate(-25deg) scaleY(.64);box-shadow:0 0 36px rgba(245,194,76,.25)}
.hero-art__core{width:43%;aspect-ratio:1;border-radius:42% 58% 60% 40%;background:linear-gradient(135deg,var(--c-coral),var(--c-yellow));transform:rotate(-25deg);box-shadow:24px 28px 65px rgba(0,0,0,.3)}
.hero-art__spark{position:absolute;top:20%;right:19%;width:12%;aspect-ratio:1;border-radius:50%;background:var(--c-yellow);box-shadow:0 0 40px var(--c-yellow)}
.hero{position:relative;display:grid;grid-template-columns:57fr 43fr;height:clamp(700px,calc(100vh - var(--head-h) - 44px),840px);overflow:hidden}
.hero__stage{position:relative;min-width:0}
.rig__wedge{position:absolute;right:-24px;bottom:20px;width:500px;height:320px;z-index:0;background:linear-gradient(160deg,var(--c-coral) 0%,var(--c-coral-deep) 100%);clip-path:polygon(100% 0,100% 100%,0 100%);animation:wedge-breathe 8s ease-in-out infinite}
.rig{position:absolute;top:40px;right:16px;bottom:100px;left:0;z-index:1;margin:0;border-radius:0 var(--r-frame) var(--r-frame) 0;background:radial-gradient(90% 80% at 88% 10%,var(--c-navy-lift) 0%,transparent 62%),var(--c-navy);color:var(--c-on-navy);box-shadow:var(--shadow-frame)}
.rig__desk{position:absolute;top:48px;right:56px;width:min(520px,calc(100% - 96px))}
.sheet{position:relative;z-index:1;overflow:hidden;border:1px solid var(--c-border);border-radius:var(--r-card);background:var(--c-panel);color:var(--c-text);box-shadow:var(--shadow-sheet)}
.sheet__head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 24px 16px;border-bottom:1px solid var(--c-border)}
.sheet__title{margin:0;color:var(--c-navy);font-family:var(--font-display);font-size:15px;font-weight:700;letter-spacing:-.005em}
.sheet__sep{margin:0 3px;color:var(--c-coral-deep)}
.sheet__stamp{flex:none;padding:4px 10px;border-radius:var(--r-pill);background:var(--c-panel-2);color:var(--c-muted);font-family:var(--font-mono);font-size:11px}
.sheet__cols,.fld{display:grid;grid-template-columns:118px minmax(0,1fr) 22px;gap:16px;align-items:center;padding:0 24px}
.sheet__cols{height:36px;border-bottom:1px solid var(--c-border);background:var(--c-bg);color:var(--c-muted);font-size:11.5px;font-weight:600;letter-spacing:.08em}
.sheet__body{position:relative;padding-bottom:6px}
.sheet__rows{position:relative;z-index:1;list-style:none;margin:0;padding:0}
.fld{height:var(--row-h);border-top:1px solid var(--c-border);animation:fld-in .5s var(--ease) both}
.fld:first-child{border-top:0}
.fld:nth-child(1){animation-delay:.20s}
.fld:nth-child(2){animation-delay:.28s}
.fld:nth-child(3){animation-delay:.36s}
.fld:nth-child(4){animation-delay:.44s}
.fld:nth-child(5){animation-delay:.52s}
.fld__key{color:var(--c-navy);font-family:var(--font-mono);font-size:14px;font-weight:600}
.fld__val{display:flex;flex-direction:column;gap:2px;min-width:0}
.fld__note{color:var(--c-muted);font-size:12px;line-height:1.35}
.fld__eg{overflow:hidden;color:var(--c-text);font-family:var(--font-mono);font-size:12.5px;line-height:1.4;white-space:nowrap;text-overflow:ellipsis}
.fld__eg--cjk{font-family:var(--font-body);font-size:13px}
.fld__pin{display:grid;place-items:center;width:22px;height:22px;border-radius:50%;background:var(--c-coral-tint);color:var(--c-coral-deep);font-family:var(--font-mono);font-size:11px;font-weight:700}
.sheet__scan{position:absolute;top:0;right:0;left:0;z-index:0;height:var(--row-h);background:var(--c-yellow-tint);box-shadow:inset 3px 0 0 var(--c-yellow);opacity:0;animation:sheet-scan 8s var(--ease) .95s infinite}
.memo{position:absolute;top:calc(100% - 16px);right:-76px;z-index:2;width:312px;padding:14px 18px 15px;border-radius:var(--r-memo);background:var(--c-yellow);color:var(--c-navy);box-shadow:var(--shadow-memo);transform:rotate(-3deg)}
.memo__label{margin:0 0 6px;color:var(--c-navy-soft);font-family:var(--font-mono);font-size:11px;font-weight:700;letter-spacing:.08em}
.memo__line{display:block;color:var(--c-navy);font-family:var(--font-mono);font-size:13px;font-weight:600;line-height:1.75}
.rig__cap{position:absolute;bottom:36px;left:48px;max-width:230px;color:var(--c-on-navy-muted);font-size:12.5px;line-height:1.6}
.rig__cap::before{content:"";display:block;width:28px;height:2px;margin-bottom:12px;border-radius:2px;background:var(--c-on-navy-line)}
.rig__cap b{display:block;margin-bottom:3px;color:var(--c-on-navy);font-size:13px;font-weight:600}
.hero__copy{position:relative;z-index:2;display:flex;flex-direction:column;justify-content:center;min-width:0;padding:0 56px 60px 48px}
.kicker{display:inline-flex;align-self:flex-start;align-items:center;gap:10px;margin:0 0 22px;padding:6px 14px 6px 11px;border:1px solid var(--c-border);border-radius:var(--r-pill);background:var(--c-panel);color:var(--c-muted);box-shadow:var(--shadow-card);font-size:13px}
.kicker__dot{width:8px;height:8px;flex-shrink:0;border-radius:50%;background:var(--c-success);box-shadow:0 0 0 4px var(--c-success-tint)}
.hero__title{margin:0;color:var(--c-navy);font-family:var(--font-display);font-size:clamp(34px,3vw,44px);font-weight:800;line-height:1.2;letter-spacing:-.02em}
.hero__title span{display:block}
.hero__title-b{color:var(--c-muted)}
.hero__lead{max-width:30em;margin:20px 0 0;color:var(--c-muted);font-size:17px;line-height:1.75}
.hero__lead strong{color:var(--c-navy);font-weight:700;background:linear-gradient(transparent 62%,var(--c-navy-mark) 62%)}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.devices{display:flex;flex-wrap:wrap;align-items:center;gap:8px 18px;margin:26px 0 0;padding:0;list-style:none}
.device{display:inline-flex;align-items:center;gap:7px;border-radius:6px;color:var(--c-text);font-size:13.5px;font-weight:600;text-decoration:none}
.device .ico{width:18px;height:18px;color:var(--c-navy)}
a.device:hover{text-decoration:underline;text-underline-offset:3px}
span.device{color:var(--c-muted);font-weight:500}
span.device .ico{color:var(--c-muted)}
.devices__split{width:1px;height:18px;background:var(--c-border)}
.store-pill{display:inline-flex;align-items:center;gap:6px;min-height:26px;padding:0 11px;border-radius:var(--r-pill);background:var(--c-navy);color:var(--c-panel);font-size:12px;font-weight:600}
.store-pill svg{width:12px;height:12px}
.facts,.fact-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:16px 0 0;padding:0;list-style:none}
.facts li,.fact-pill{max-width:100%;padding:4px 11px;border:1px solid var(--c-border);border-radius:var(--r-pill);background:var(--c-panel);color:var(--c-muted);font-size:12px;overflow-wrap:anywhere}
.peek{padding:22px var(--gutter) 96px;border-top:1px solid var(--c-border);background:var(--c-panel);color:var(--c-text);text-align:center}
.peek__title{margin:12px 0 0;color:var(--c-navy);font-family:var(--font-display);font-size:28px;font-weight:800;letter-spacing:-.02em}
.peek__text{max-width:36em;margin:10px auto 0;color:var(--c-muted)}
@keyframes fld-in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
@keyframes sheet-scan{0%{opacity:0;transform:translateY(0)}4%{opacity:1}16%{transform:translateY(0)}20%{transform:translateY(100%)}36%{transform:translateY(100%)}40%{transform:translateY(200%)}56%{transform:translateY(200%)}60%{transform:translateY(300%)}76%{transform:translateY(300%)}80%{transform:translateY(400%)}95%{opacity:1}100%{opacity:0;transform:translateY(400%)}}
@keyframes wedge-breathe{50%{transform:translateY(2px)}}
@media(max-width:1180px){.hero__copy{padding-right:28px;padding-left:28px}}
@media(max-width:900px){
  .hero{display:flex;flex-direction:column;height:auto}
  .hero__copy{order:-1;padding:28px var(--gutter) 12px}
  .hero__title{font-size:clamp(24px,7vw,30px)}
  .hero__lead{font-size:16px}
  .hero__stage{height:620px}
  .rig{top:24px;right:16px;bottom:70px}
  .rig__desk{top:28px;right:20px;width:calc(100% - 40px)}
  .sheet__cols,.fld{grid-template-columns:84px minmax(0,1fr) 22px;gap:10px;padding:0 16px}
  .memo{right:-8px;width:280px}
  .rig__cap{display:none}
  .rig__wedge{right:0;width:70%;height:240px}
  .peek{padding-top:22px;padding-bottom:64px}
}
@media(max-width:640px){
  .hero__stage{height:520px}
  .rig{bottom:45px;right:14px}
  .rig__desk{right:16px;width:calc(100% - 30px)}
  .sheet__head{padding:12px}
  .sheet__stamp{font-size:9px}
  .sheet__cols,.fld{grid-template-columns:64px minmax(0,1fr) 20px;gap:7px;padding-inline:10px}
  .fld__key{font-size:11px}
  .fld__note{font-size:10px}
  .fld__eg{font-size:10px}
  .memo{right:-5px;max-width:calc(100% - 10px);width:260px;transform:none}
  .memo__line{font-size:10px}
}
@media(max-width:360px){.hero__stage{height:490px}.sheet__title{font-size:12px}.sheet__stamp{padding-inline:5px}.memo{width:235px}}
@media(prefers-reduced-motion:reduce){.fld,.sheet__scan,.rig__wedge{animation:none}.sheet__scan{opacity:1}}

/* 共享内容组件 */
.store-button{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:56px;padding:10px 22px;border:1px solid var(--c-navy);border-radius:var(--r-pill);background:var(--c-navy);color:var(--c-panel);font-weight:700;text-decoration:none;box-shadow:var(--shadow-card)}
.store-button:hover{background:var(--c-navy-deep);color:var(--c-panel)}
.store-button svg{width:22px;height:22px}
.store-button__lines{display:flex;flex-direction:column;line-height:1.25}
.store-button__lines small{font-size:11px;font-weight:500}
.store-button__lines strong{font-size:15px}
.store-button--primary{min-height:60px;padding-inline:30px;background:var(--c-yellow);border-color:var(--c-yellow);color:var(--c-navy);box-shadow:var(--shadow-cta)}
.store-button--primary:hover{background:var(--c-yellow-press);border-color:var(--c-yellow-press);color:var(--c-navy)}
.toc{position:sticky;top:0;z-index:4;display:flex;flex-wrap:wrap;gap:8px;max-width:100%;overflow-x:visible;padding:12px 0;background:var(--c-bg);color:var(--c-text)}
.toc a{flex:none;min-height:40px;padding:8px 14px;border:1px solid var(--c-border);border-radius:var(--r-pill);background:var(--c-panel);color:var(--c-navy);font-size:13px;text-decoration:none;white-space:nowrap}
.toc a:hover,.toc a[aria-current="location"]{border-color:var(--c-yellow);background:var(--c-yellow-tint)}
.tab-layout{display:grid;grid-template-columns:minmax(230px,310px) minmax(0,1fr);gap:clamp(24px,4vw,64px);align-items:center}
.tablist{display:flex;flex-direction:column;gap:10px;min-width:0}
.tablist [role="tab"]{display:flex;align-items:center;gap:14px;width:100%;min-height:70px;padding:10px 16px;border:2px solid var(--c-border);border-radius:var(--r-card);background:var(--c-panel);color:var(--c-navy);font-weight:700;text-align:left;cursor:pointer;box-shadow:var(--shadow-card)}
.tablist [role="tab"][aria-selected="true"]{border-color:var(--c-yellow);transform:translateY(-2px)}
.tablist [role="tab"]:focus-visible{box-shadow:var(--focus-ring)}
.tab-icon{display:grid;place-items:center;width:44px;height:44px;flex-shrink:0;border-radius:var(--r-mark);background:var(--c-navy-tint);color:var(--c-navy)}
.tab-icon--yellow{background:var(--c-yellow-tint);color:var(--c-navy)}
.tab-icon--coral{background:var(--c-coral-tint);color:var(--c-coral-deep)}
.tab-icon svg{width:22px;height:22px}
.tab-stage{position:relative;min-width:0;padding:36px;overflow-x:clip}
.tab-stage::before{content:"";position:absolute;inset:12% -15% 0 22%;background:var(--c-navy);clip-path:polygon(0 100%,100% 0,100% 100%)}
.tab-stage::after{content:"";position:absolute;inset:36% -15% 0 44%;background:var(--c-coral);clip-path:polygon(100% 0,100% 100%,0 100%)}
.tab-panel{position:relative;z-index:1;min-width:0;padding:clamp(24px,4vw,48px);border:1px solid var(--c-border);border-radius:var(--r-frame);background:var(--c-panel);color:var(--c-text);box-shadow:var(--shadow-card)}
.tab-panel[hidden]{display:none}
.tab-panel__term{color:var(--c-coral-deep);font-family:var(--font-mono);font-size:12px;font-weight:700;letter-spacing:.08em}
.tab-panel__rule{display:block;max-width:100%;overflow-x:auto;padding:12px;border-radius:var(--r-mark);background:var(--c-panel-2);color:var(--c-navy);white-space:pre}
.faq-item{margin-block:12px;overflow:hidden;border:1px solid var(--c-border);border-radius:var(--r-card);background:var(--c-panel);color:var(--c-text);box-shadow:var(--shadow-card)}
.faq-item summary{position:relative;padding:20px 48px 20px 22px;color:var(--c-navy);font-weight:700;cursor:pointer;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:22px;color:var(--c-coral-deep);font-size:22px;line-height:1}
.faq-item[open] summary::after{content:"−"}
.faq-item__answer{padding:0 22px 20px;color:var(--c-muted)}
.term-card{min-width:0;padding:24px;border:1px solid var(--c-border);border-radius:var(--r-card);background:var(--c-panel);color:var(--c-text);box-shadow:var(--shadow-card)}
.term-card__name{margin:0 0 8px;color:var(--c-navy);font-family:var(--font-mono);font-size:18px;font-weight:700;overflow-wrap:anywhere}
.term-card p{margin:0;color:var(--c-muted)}
.official-shot{width:min(100%,280px);max-width:280px;flex-shrink:0;margin-inline:auto}
.official-shot img{display:block;width:100%;height:auto;border-radius:10px}
.official-shot figcaption{margin-top:10px;color:var(--c-muted);font-size:13px;line-height:1.55}
.device-card{display:flex;flex-direction:column;align-items:flex-start;min-width:0;gap:12px;padding:30px;border:1px solid var(--c-border);border-radius:var(--r-card);background:var(--c-panel);color:var(--c-text);box-shadow:var(--shadow-card);text-decoration:none}
.device-card:hover{border-color:var(--c-yellow)}
.device-card svg{width:44px;height:44px;color:var(--c-navy)}
.device-card strong{color:var(--c-navy);font-size:21px}
.device-card span{color:var(--c-muted)}
.device-card em{color:var(--c-navy);font-size:14px;font-style:normal;font-weight:700}
.article-card{display:flex;flex-direction:column;min-width:0;padding:28px;border:1px solid var(--c-border);border-radius:var(--r-card);background:var(--c-panel);color:var(--c-text);box-shadow:var(--shadow-card);text-decoration:none}
.article-card:hover{border-color:var(--c-yellow)}
.article-card__meta{color:var(--c-coral-deep);font-size:12px;font-weight:700;letter-spacing:.06em}
.article-card strong{margin-top:12px;color:var(--c-navy);font-size:19px;line-height:1.4}
.article-card p{color:var(--c-muted)}
.article-card__more{margin-top:auto;color:var(--c-navy);font-weight:700}
.callout{min-width:0;margin-block:24px;padding:18px 22px;border-left:4px solid var(--c-coral);border-radius:0 var(--r-memo) var(--r-memo) 0;background:var(--c-panel-2);color:var(--c-text)}
.callout strong{color:var(--c-navy)}
.badge{display:inline-flex;align-items:center;max-width:100%;min-height:28px;padding:3px 11px;border-radius:var(--r-pill);background:var(--c-coral-tint);color:var(--c-coral-deep);font-size:12px;font-weight:700;overflow-wrap:anywhere}
.badge--yellow{background:var(--c-yellow-tint);color:var(--c-navy)}
.badge--navy{background:var(--c-navy);color:var(--c-panel)}
.table-scroll{max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}
.data-table,.prose table{border-collapse:collapse;background:var(--c-panel);color:var(--c-text)}
.prose table{display:block;max-width:100%;min-width:0;overflow-x:auto;-webkit-overflow-scrolling:touch}
.data-table th,.data-table td,.prose table th,.prose table td{min-width:7em;padding:12px 16px;border:1px solid var(--c-border);text-align:left;vertical-align:top;overflow-wrap:normal;word-break:normal}
.data-table th,.prose table th{background:var(--c-panel-2);color:var(--c-navy)}
.data-table td,.prose table td{background:var(--c-panel);color:var(--c-text)}
.data-table code,.prose table code{overflow-wrap:anywhere}
.dl-fab{position:fixed;right:24px;bottom:24px;z-index:20;display:inline-flex;align-items:center;gap:10px;max-width:calc(100% - 32px);min-height:52px;padding:10px 18px;border-radius:var(--r-pill);background:var(--c-yellow);color:var(--c-navy);font-size:14px;font-weight:700;text-decoration:none;box-shadow:var(--shadow-cta)}
.dl-fab:hover{background:var(--c-yellow-press);color:var(--c-navy)}
.dl-fab svg{width:18px;height:18px}
.end-store-card{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;margin-block:48px;padding:clamp(24px,4vw,42px);border:1px solid var(--c-on-navy-line);border-radius:var(--r-frame);background:var(--c-navy);color:var(--c-on-navy);box-shadow:var(--shadow-frame)}
.end-store-card h2,.end-store-card h3{margin:0;color:var(--c-on-navy)}
.end-store-card p{margin:8px 0 0;color:var(--c-on-navy-muted)}
@media(max-width:768px){
  .tab-layout{grid-template-columns:minmax(0,1fr)}
  .tablist{flex-direction:row;overflow-x:auto;scrollbar-width:thin;padding-bottom:7px}
  .tablist [role="tab"]{flex:none;width:auto;min-height:56px;white-space:nowrap}
  .tab-stage{padding:18px}
}
@media(max-width:640px){.official-shot{width:min(100%,280px)}.dl-fab{right:16px;bottom:16px}.tab-panel{padding:22px}}
@media(prefers-reduced-motion:reduce){.tablist [role="tab"][aria-selected="true"]{transform:none}}