/* 资料浏览器与平台标签共用同一套语义结构。 */
.tabs {min-width:0;--tab-duration:8000ms;}
[role="tablist"] {display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:24px;}
[role="tab"] {
  display:inline-flex;align-items:center;justify-content:center;position:relative;
  min-height:46px;padding:10px 18px;border:1px solid var(--c-border);
  border-radius:var(--r-pill);background:var(--c-bg);color:var(--c-muted);font-weight:600;
}
[role="tab"]:hover {color:var(--c-text);border-color:var(--c-border-strong);}
[role="tab"][aria-selected="true"] {background:var(--c-panel);color:var(--c-text);border-color:var(--c-border-strong);}
[role="tabpanel"] {min-width:0;}
.feature-browser {display:grid;grid-template-columns:280px minmax(0,1fr);gap:40px;align-items:start;}
.feature-browser [role="tablist"] {display:flex;flex-direction:column;align-items:stretch;gap:4px;}
.feature-browser [role="tab"] {
  border:0;border-radius:var(--r-md);text-align:left;justify-content:flex-start;
  min-height:62px;padding-inline:24px;background:var(--c-bg);color:var(--c-muted);
}
.feature-browser [role="tab"][aria-selected="true"] {background:var(--c-panel);color:var(--c-text);}
.feature-browser [role="tab"][aria-selected="true"]::before {
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:var(--r-tiny);
  background:var(--c-accent);color:var(--c-text);transform-origin:top;
}
.tabs.is-playing .feature-browser [role="tab"][aria-selected="true"]::before {animation:tab-progress var(--tab-duration) linear both;}
@keyframes tab-progress {from {transform:scaleY(0);} to {transform:scaleY(1);}}
.feature-detail {padding:40px;border:1px solid var(--c-border);border-radius:var(--r-win);background:var(--c-bg);color:var(--c-text);box-shadow:var(--shadow-near),var(--shadow-mid);}
.toc {display:flex;gap:8px;flex-wrap:wrap;padding:16px;border:1px solid var(--c-border);border-radius:var(--r-lg);background:var(--c-panel);color:var(--c-text);}
.toc a {display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:8px 14px;border-radius:var(--r-sm);font-size:14px;}
.toc a:hover {background:var(--c-bg);color:var(--c-text);}
.toc.is-sticky {position:sticky;top:16px;z-index:10;}
.faq-item {border-bottom:1px solid var(--c-border);padding-block:8px;}
.faq-item summary {cursor:pointer;padding:18px 32px 18px 0;font-weight:650;position:relative;list-style:none;}
.faq-item summary::-webkit-details-marker {display:none;}
.faq-item summary::after {content:"+";position:absolute;right:4px;top:16px;color:var(--c-muted);font-size:22px;}
.faq-item[open] summary::after {content:"−";}
.faq-answer {color:var(--c-muted);padding-bottom:18px;}
.faq-answer p:last-child {margin-bottom:0;}
.term-card {border:1px solid var(--c-border);border-radius:var(--r-xl);padding:28px;background:var(--c-bg);color:var(--c-text);box-shadow:var(--shadow-near);}
.term-card .term-en {font-family:var(--f-mono);font-size:12px;color:var(--c-muted);display:block;margin-bottom:12px;}
.term-card h3 {margin-bottom:10px;}
.term-card p {color:var(--c-muted);}
.client-card {padding:32px;border:1px solid var(--c-border);border-radius:var(--r-xl);background:var(--c-bg);color:var(--c-text);box-shadow:var(--shadow-near),var(--shadow-mid);min-width:0;}
.client-card.is-featured {border-color:var(--c-border-strong);background:var(--c-panel);color:var(--c-text);}
.client-heading {display:flex;gap:16px;align-items:center;flex-wrap:wrap;margin-bottom:20px;}
.client-heading h3 {margin:0;}
.client-icon {width:56px;height:56px;flex-shrink:0;}
.client-actions {display:flex;gap:12px;flex-wrap:wrap;margin-top:24px;}
.client-meta {font-family:var(--f-mono);font-size:12px;color:var(--c-muted);}
[data-rev]:empty {display:none;}
.badge,.tag {
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  max-width:100%;padding:4px 12px;border:1px solid var(--c-border);border-radius:var(--r-pill);
  background:var(--c-bg);color:var(--c-muted);font-size:12px;font-weight:600;overflow-wrap:anywhere;
}
.badge-first,.badge-recommended {background:var(--c-accent-soft);color:var(--c-accent-dark);border-color:var(--c-border);}
.badge-archived {background:var(--c-panel-2);color:var(--c-muted);}
.post-card {display:flex;flex-direction:column;min-width:0;padding:30px;border:1px solid var(--c-border);border-radius:var(--r-xl);background:var(--c-bg);color:var(--c-text);box-shadow:var(--shadow-near);}
.post-card h3 {font-size:21px;line-height:1.5;margin-top:20px;}
.post-card h3 a:hover {text-decoration:underline;text-decoration-color:var(--c-accent);text-underline-offset:5px;}
.post-card p {color:var(--c-muted);font-size:14px;}
.post-meta {display:flex;align-items:center;flex-wrap:wrap;gap:12px;font-size:12px;color:var(--c-muted);}
.post-card .text-link {margin-top:auto;align-self:flex-start;}
.callout {margin-block:28px;padding:24px 28px;border:1px solid var(--c-border);border-left:3px solid var(--c-accent);border-radius:var(--r-lg);background:var(--c-panel);color:var(--c-text);}
.callout p:last-child {margin-bottom:0;}
.callout strong {display:block;margin-bottom:8px;}
.article-download {display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;padding:28px;margin-top:48px;border:1px solid var(--c-border);border-radius:var(--r-xl);background:var(--c-panel);color:var(--c-text);}
.article-download h2 {font-size:24px;margin-bottom:10px;}
.article-download p {margin-bottom:0;color:var(--c-muted);}
.article-download > div {flex:1 1 260px;min-width:0;}
.table-scroll {overflow-x:auto;max-width:100%;min-width:0;border:1px solid var(--c-border);border-radius:var(--r-lg);-webkit-overflow-scrolling:touch;}
.data-table {width:100%;border-collapse:collapse;font-size:14px;text-align:left;background:var(--c-bg);color:var(--c-text);}
.data-table th,.data-table td,.prose table th,.prose table td {
  min-width:7em;padding:16px 20px;border-bottom:1px solid var(--c-border);
  overflow-wrap:normal;word-break:normal;vertical-align:top;
}
.data-table th,.prose table th {background:var(--c-panel);color:var(--c-text);font-weight:650;}
.data-table tr:last-child td {border-bottom:0;}
.prose table,.article-body table {
  display:block;overflow-x:auto;-webkit-overflow-scrolling:touch;max-width:100%;min-width:0;
  border-collapse:collapse;background:var(--c-bg);color:var(--c-text);
}
.article-body table th,.article-body table td {min-width:7em;padding:16px 20px;overflow-wrap:normal;word-break:normal;border-bottom:1px solid var(--c-border);}
.dl-fab {
  position:fixed;right:28px;bottom:28px;z-index:40;display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:46px;padding:9px 20px 9px 16px;border-radius:var(--r-pill);
  background:var(--c-text);color:var(--c-on-accent);font-size:14px;font-weight:600;
  box-shadow:var(--shadow-mid);transition:transform var(--motion-fast) ease;
}
.dl-fab .fab-ico {width:24px;height:24px;border-radius:var(--r-round);background:var(--grad-brand);color:var(--c-on-accent);display:grid;place-items:center;flex-shrink:0;}
.dl-fab svg {width:13px;height:13px;}
.dl-fab:hover {transform:translateY(-2px);}
/* 首页首屏：窗口本身始终静止，仅状态点呼吸。 */
.hero {
  position:relative;overflow-x:clip;min-height:calc(100svh - var(--nav-h) - var(--peek));
  display:grid;align-content:center;padding-top:20px;padding-bottom:28px;
}
.hero-grid {position:relative;display:grid;grid-template-columns:44fr 56fr;gap:48px;align-items:center;}
.lead {position:relative;z-index:3;}
.status-note {display:inline-flex;align-items:center;gap:10px;padding:7px 16px 7px 13px;border-radius:var(--r-pill);background:var(--c-panel);color:var(--c-text);border:1px solid var(--c-border);font-size:13px;font-weight:500;}
.status-note .sep {color:var(--c-muted);}
.pulse {position:relative;width:8px;height:8px;flex-shrink:0;border-radius:var(--r-round);background:var(--c-success);color:var(--c-text);}
.pulse::after {content:"";position:absolute;inset:-4px;border-radius:var(--r-round);background:var(--c-success-ring);color:var(--c-text);animation:breathe 2.6s ease-in-out infinite;}
@keyframes breathe {0%,100% {transform:scale(.6);opacity:0;} 50% {transform:scale(1.15);opacity:1;}}
.hero h1 {margin:26px 0 0;font-family:var(--f-display);font-weight:800;font-size:clamp(30px,3.3vw,48px);line-height:1.16;letter-spacing:-.02em;color:var(--c-text);}
.hero h1 .ln {display:block;}
.desc {margin:26px 0 0;max-width:500px;font-size:16px;line-height:1.78;color:var(--c-muted);}
.desc strong {color:var(--c-text);font-weight:600;}
.tags {list-style:none;margin:20px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:8px;}
.tags li {max-width:100%;padding:4px 12px;border-radius:var(--r-pill);border:1px solid var(--c-border);background:var(--c-bg);color:var(--c-muted);font-size:12.5px;font-weight:500;box-shadow:var(--shadow-chip);overflow-wrap:anywhere;}
.tags li code {font-size:12px;color:var(--c-text);}
.os-row {margin-top:34px;padding-top:20px;border-top:1px solid var(--c-border);display:flex;align-items:center;gap:22px;flex-wrap:wrap;max-width:520px;}
.os-label {font-size:12px;font-weight:600;color:var(--c-muted);letter-spacing:.04em;}
.os-list {list-style:none;margin:0;padding:0;display:flex;align-items:center;gap:20px;flex-wrap:wrap;}
.os-list a {display:inline-flex;align-items:center;gap:7px;font-size:13.5px;font-weight:500;color:var(--c-text);padding-bottom:2px;background-image:var(--grad-brand);background-repeat:no-repeat;background-size:0 1.5px;background-position:0 100%;transition:background-size var(--motion-fast) ease;}
.os-list a svg {width:16px;height:16px;color:var(--c-muted);}
.os-list a:hover {background-size:100% 1.5px;}
.stage {position:relative;z-index:2;height:648px;}
.stage::before {
  content:"";position:absolute;z-index:-1;width:1080px;height:860px;right:-360px;bottom:-300px;
  background:radial-gradient(ellipse 50% 48% at 55% 55%,var(--glow-core) 0%,var(--glow-mid) 42%,var(--glow-edge) 66%,var(--c-clear) 78%);
  color:var(--c-text);pointer-events:none;
}
.shell {
  position:absolute;top:8px;left:0;width:880px;padding:10px;border-radius:var(--r-shell);
  background:var(--c-glass);color:var(--c-text);border:1px solid var(--c-glass-line);
  box-shadow:var(--shadow-near),var(--shadow-mid),var(--shadow-far);transform:rotate(-2deg);transform-origin:24% 70%;
}
.win {border-radius:var(--r-win);border:1px solid var(--c-border);background:var(--c-bg);color:var(--c-text);overflow:hidden;}
.titlebar {height:44px;display:flex;align-items:center;justify-content:space-between;padding:0 4px 0 18px;background:var(--c-panel);color:var(--c-text);border-bottom:1px solid var(--c-border);}
.tb-name {display:flex;align-items:center;gap:9px;font-size:12.5px;font-weight:600;}
.tb-name img {width:18px;height:18px;}
.tb-ctrl {display:flex;}
.tb-ctrl span {width:46px;height:32px;display:grid;place-items:center;color:var(--c-muted);}
.tb-ctrl svg {width:10px;height:10px;}
.winbody {display:grid;grid-template-columns:196px 1fr;height:528px;}
.side {background:var(--c-panel);color:var(--c-text);border-right:1px solid var(--c-border);padding:16px 12px;}
.side-list {list-style:none;margin:0;padding:0;display:grid;gap:3px;}
.side-list li {position:relative;display:flex;align-items:center;gap:12px;height:38px;padding:0 12px;border-radius:var(--r-mark);font-size:13.5px;font-weight:500;color:var(--c-muted);}
.side-list svg {width:17px;height:17px;flex-shrink:0;}
.side-list .is-on {background:var(--c-accent-soft);color:var(--c-accent-dark);font-weight:600;}
.side-list .is-on::before {content:"";position:absolute;left:3px;top:11px;width:3px;height:16px;border-radius:var(--r-tiny);background:var(--grad-brand);color:var(--c-text);}
.main {padding:22px 28px;min-width:0;}
.main-h {display:flex;align-items:baseline;gap:12px;margin-bottom:16px;}
.main-h b {font-family:var(--f-display);font-size:20px;font-weight:700;letter-spacing:-.01em;}
.main-h span {font-size:12px;color:var(--c-muted);}
.grp-label {font-size:11.5px;font-weight:600;color:var(--c-muted);letter-spacing:.04em;margin:0 0 8px 2px;}
.grp {border:1px solid var(--c-border);border-radius:var(--r-lg);background:var(--c-bg);color:var(--c-text);box-shadow:var(--shadow-chip);}
.grp + .grp-label {margin-top:18px;}
.row {display:flex;align-items:center;justify-content:space-between;gap:20px;height:52px;padding:0 16px;}
.row + .row {border-top:1px solid var(--c-border);}
.row-t {font-size:13.5px;font-weight:600;line-height:1.3;}
.row-d {font-size:12px;color:var(--c-muted);line-height:1.35;margin-top:2px;}
.row-d code {font-size:11.5px;}
.sw {position:relative;flex-shrink:0;width:40px;height:20px;border-radius:var(--r-pill);border:1.5px solid var(--c-muted);background:var(--c-bg);color:var(--c-text);}
.sw::after {content:"";position:absolute;top:50%;left:3px;width:10px;height:10px;border-radius:var(--r-round);background:var(--c-muted);color:var(--c-bg);transform:translateY(-50%);}
.sw.on {background:var(--c-text);color:var(--c-on-accent);border-color:var(--c-text);}
.sw.on::after {left:auto;right:3px;width:12px;height:12px;background:var(--c-bg);color:var(--c-text);}
.seg {display:inline-flex;padding:3px;border-radius:var(--r-mark);background:var(--c-panel-2);color:var(--c-muted);flex-shrink:0;}
.seg span {padding:4px 14px;border-radius:var(--r-sm);font-size:12.5px;font-weight:500;}
.seg .act {background:var(--c-bg);color:var(--c-text);font-weight:600;box-shadow:var(--shadow-chip);}
.field {flex-shrink:0;min-width:76px;padding:4px 10px;border-radius:var(--r-sm);border:1px solid var(--c-border-strong);background:var(--c-bg);font-family:var(--f-mono);font-size:12.5px;color:var(--c-text);text-align:right;}
.core {flex-shrink:0;display:inline-flex;align-items:center;gap:7px;padding:4px 11px;border-radius:var(--r-pill);background:var(--c-panel);color:var(--c-text);border:1px solid var(--c-border);font-family:var(--f-mono);font-size:12px;}
.core i {width:6px;height:6px;border-radius:var(--r-round);background:var(--c-success);color:var(--c-text);flex-shrink:0;}
.traymenu {position:absolute;z-index:4;left:-26px;bottom:0;width:232px;padding:6px;border-radius:var(--r-lg);background:var(--c-bg);color:var(--c-text);border:1px solid var(--c-border);box-shadow:var(--shadow-menu);transform:rotate(-1deg);}
.traymenu ul {list-style:none;margin:0;padding:0;}
.traymenu li {display:flex;align-items:center;justify-content:space-between;height:34px;padding:0 12px;border-radius:var(--r-mark);font-size:13px;}
.traymenu li.hover {background:var(--c-panel);color:var(--c-text);}
.traymenu li.split {height:1px;padding:0;margin:5px 8px;border-radius:0;background:var(--c-border);color:var(--c-text);}
.traymenu li.muted {color:var(--c-muted);}
.tray-head {display:flex;align-items:center;gap:8px;padding:8px 12px 6px;font-size:11.5px;font-weight:600;color:var(--c-muted);letter-spacing:.03em;}
.factbar {position:relative;z-index:3;padding-bottom:64px;}
.taskbar {min-height:64px;border-radius:var(--r-xl);background:var(--c-panel);color:var(--c-text);border:1px solid var(--c-border);display:flex;align-items:center;justify-content:center;gap:30px;padding:16px 28px;flex-wrap:wrap;}
.tk-start {width:18px;height:18px;}
.tk-item {display:flex;align-items:baseline;gap:8px;font-size:13.5px;font-weight:600;}
.tk-item small {font-family:var(--f-mono);font-size:11.5px;font-weight:500;color:var(--c-muted);}
.tk-div {width:1px;height:18px;background:var(--c-border-strong);color:var(--c-text);flex-shrink:0;}
.comparison {display:grid;grid-template-columns:.9fr 1.1fr;gap:72px;align-items:center;}
.comparison > * {min-width:0;}
.comparison-panel {padding:48px;border-radius:var(--r-win);background:var(--c-panel);color:var(--c-text);}
.check-list {list-style:none;margin:28px 0;padding:0;display:grid;gap:24px;}
.check-list li {display:flex;gap:16px;align-items:flex-start;}
.status-symbol {display:inline-grid;place-items:center;flex-shrink:0;width:28px;height:28px;border-radius:var(--r-round);font-size:19px;font-weight:700;background:var(--c-success);color:var(--c-on-accent);}
.status-symbol.no {background:var(--c-error);color:var(--c-on-accent);}
.comparison-panel pre {background:var(--c-bg);color:var(--c-text);box-shadow:var(--shadow-near);}
.swatch-grid {display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;}
.swatch {min-width:0;padding:12px;border:1px solid var(--c-border);border-radius:var(--r-lg);background:var(--c-bg);color:var(--c-text);font-size:12px;}
.swatch code {display:block;margin-top:10px;}
.swatch-color {height:64px;border-radius:var(--r-sm);border:1px solid var(--c-border);color:var(--c-text);}
.sw-bg {background:var(--c-bg);}
.sw-panel {background:var(--c-panel);}
.sw-panel-2 {background:var(--c-panel-2);}
.sw-border {background:var(--c-border);}
.sw-border-strong {background:var(--c-border-strong);}
.sw-accent {background:var(--c-accent);}
.sw-accent-2 {background:var(--c-accent-2);}
.sw-accent-dark {background:var(--c-accent-dark);}
.sw-accent-soft {background:var(--c-accent-soft);}
.sw-text {background:var(--c-text);}
.sw-muted {background:var(--c-muted);}
.sw-faint {background:var(--c-faint);}
.sw-success {background:var(--c-success);}
.sw-success-ring {background:var(--c-success-ring);}
.sw-warn {background:var(--c-warn);}
.sw-error {background:var(--c-error);}
.sw-white {background:var(--c-on-accent);}
.sw-glass {background:var(--c-glass);}
.sw-glass-line {background:var(--c-glass-line);}
.sw-clear {background:var(--c-clear);}
.sw-veil {background:var(--c-veil);}
.sw-glow-core {background:var(--glow-core);}
.sw-glow-mid {background:var(--glow-mid);}
.sw-glow-edge {background:var(--glow-edge);}
.sw-gradient {background:var(--grad-brand);}
.preview-stack {display:grid;gap:24px;}
@media (max-width:1240px) {
  .shell {width:780px;}
  .winbody {grid-template-columns:176px 1fr;}
}
@media (max-width:1040px) {
  .hero-grid {grid-template-columns:1fr;gap:56px;}
  .stage {height:640px;}
  .shell {width:calc(100% + 80px);}
  .comparison {gap:32px;}
}
@media (max-width:768px) {
  .hero h1 {font-size:clamp(24px,4.6vw,30px);}
  .comparison,.feature-browser {grid-template-columns:1fr;}
  .comparison-panel,.feature-detail {padding:28px;}
  .feature-browser [role="tablist"] {flex-direction:row;flex-wrap:wrap;gap:8px;}
  .feature-browser [role="tab"] {min-height:44px;padding:10px 16px;}
  .swatch-grid {grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:640px) {
  .hero h1 {font-size:clamp(24px,7.4vw,30px);}
  .stage {height:520px;}
  .shell {width:720px;transform:scale(.62);transform-origin:0 0;}
  .traymenu {left:8px;bottom:40px;transform:none;}
  .taskbar {justify-content:flex-start;gap:16px;}
  .tk-div {display:none;}
  .dl-fab {right:16px;bottom:16px;}
  .client-card,.post-card,.term-card {padding:24px;}
  .feature-detail {padding:22px;}
  .comparison-panel {padding:24px;}
  .os-row {gap:14px;}
  .os-list {gap:14px;}
}
@media (prefers-reduced-motion:reduce) {
  .pulse::after {animation:none;opacity:.6;transform:none;}
}