:root {
    --page-bg: #000000;
    --page-ink: #f7f7f2;
    --muted: #a7a7a0;
    --muted-strong: #d6d6ce;
    --line: rgba(255, 255, 255, 0.16);
    --panel: #111111;
    --panel-soft: #1d1d1d;
    --blue: #9cc9ff;
    --mint: #9bd8c2;
    --peach: #ffb58a;
    --rose: #f3a6b5;
    --violet: #b4a3ff;
}

* {
    box-sizing: border-box;
    letter-spacing: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-width: 320px;
    color: var(--page-ink);
    background: var(--page-bg);
    font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.45;
}

body::selection {
    color: #000000;
    background: #ffffff;
}

a {
    color: inherit;
    text-decoration: none;
}

svg {
    display: block;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 30;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 34px;
    min-height: 72px;
    padding: 0 44px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    background: rgba(0, 0, 0, 0.86);
    backdrop-filter: blur(18px);
}

.brand {
    display: inline-flex;
    flex: 0 0 166px;
    align-items: baseline;
    gap: 2px;
    width: 166px;
    color: #ffffff;
    font-size: 28px;
    font-weight: 800;
    line-height: 1;
}

.brand-mark {
    display: inline-flex;
    flex: 0 0 58px;
    width: 58px;
    min-width: 58px;
    overflow: hidden;
    color: #a2a2a2;
}

.brand-mark::after {
    content: ".";
    display: inline-block;
    animation: brandDots 4.5s infinite;
}

@keyframes brandDots {
    0%   { content: "."; opacity: 1; }
    5%   { content: "."; opacity: 0; }
    10%  { content: "."; opacity: 1; }
    15%  { content: "."; opacity: 0; }
    20%  { content: "."; opacity: 1; }
    22%  { content: "."; opacity: 1; }
    33%  { content: ".."; opacity: 1; }
    44%  { content: "..."; opacity: 1; }
    55%  { content: "...?"; opacity: 1; }
    77%  { content: "...?"; opacity: 1; }
    78%  { content: "..."; opacity: 1; }
    82%  { content: ".."; opacity: 1; }
    86%  { content: "."; opacity: 1; }
    100% { content: "."; opacity: 1; }
}

.main-nav {
    display: flex;
    align-items: stretch;
    gap: 28px;
    min-height: 72px;
}

.nav-menu-group {
    display: flex;
    align-items: center;
    min-height: 72px;
}

.nav-link {
    display: inline-flex;
    align-items: center;
    min-height: 72px;
    padding: 0 12px;
    border: 0;
    color: rgba(255, 255, 255, 0.76);
    background: transparent;
    appearance: none;
    font-family: inherit;
    font-size: 15px;
    font-weight: 650;
    line-height: 1;
    white-space: nowrap;
    cursor: pointer;
}

.nav-menu-group:focus-within .nav-link,
.nav-menu-group.is-open .nav-link,
.nav-link[aria-current="page"] {
    color: #ffffff;
}

.nav-link:focus-visible,
.nav-mega-link:focus-visible {
    outline: 2px solid rgba(255, 255, 255, 0.78);
    outline-offset: 6px;
}

/* 顶部 Hover 菜单：桌面端通过 hover/focus 展开全宽面板。 */
.nav-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    min-height: 248px;
    padding: 34px 44px 46px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    background: #000000;
    box-shadow: 0 34px 60px rgba(0, 0, 0, 0.45);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-12px);
    clip-path: inset(0 0 100% 0);
    transition: opacity 220ms ease, transform 260ms ease, clip-path 280ms ease, visibility 0s linear 280ms;
}

.nav-menu-group:focus-within .nav-dropdown,
.nav-menu-group.is-open .nav-dropdown {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
    clip-path: inset(0);
    transition-delay: 0s;
}

.nav-dropdown-inner {
    width: min(100%, 1280px);
    margin: 0;
}

.nav-dropdown-label {
    margin: 0 0 16px;
    color: rgba(255, 255, 255, 0.54);
    font-size: 14px;
    font-weight: 750;
    line-height: 1;
}

.nav-mega-list {
    display: flex;
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
}

.nav-mega-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    max-width: 100%;
    margin-left: -10px;
    padding: 7px 10px 8px;
    border: 0;
    border-radius: 6px;
    color: #f7f7f2;
    background: transparent;
    font-family: inherit;
    font-size: 26px;
    font-weight: 750;
    line-height: 1.14;
    overflow-wrap: anywhere;
    transition: color 160ms ease, background 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

a.nav-mega-link {
    cursor: pointer;
}

span.nav-mega-link {
    cursor: default;
}

a.nav-mega-link:hover,
span.nav-mega-link:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.08);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
    transform: translateX(4px);
}

.nav-mega-link i {
    flex: 0 0 auto;
    margin-top: 4px;
    color: rgba(255, 255, 255, 0.62);
    font-size: 13px;
}

.nav-blog-menu .nav-mega-link {
    font-size: 24px;
}

.header-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
}

.icon-button,
.ghost-button,
.primary-button,
.secondary-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 750;
    line-height: 1;
    white-space: nowrap;
}

.icon-button {
    width: 44px;
    color: rgba(255, 255, 255, 0.76);
}

.icon-button svg,
.primary-button svg {
    width: 18px;
    height: 18px;
}

.icon-button path,
.primary-button path {
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.ghost-button {
    padding: 0 24px;
    color: #ffffff;
    background: #202020;
}

.primary-button {
    gap: 8px;
    padding: 0 24px;
    color: #000000;
    background: #ffffff;
}

.secondary-button {
    padding: 0 24px;
    color: #ffffff;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.04);
}

.icon-button:hover,
.ghost-button:hover,
.secondary-button:hover {
    background: rgba(255, 255, 255, 0.14);
}

.primary-button:hover {
    background: #e7e7e0;
}

main {
    overflow: hidden;
}

.hero-section {
    position: relative;
    display: block;
    min-height: calc(100vh - 72px);
    padding: 72px 44px 68px;
    overflow: hidden;
}

.hero-copy {
    position: absolute;
    left: 62px;
    top: 48%;
    z-index: 4;
    width: min(36%, 560px);
    transform: translateY(-50%);
}

.eyebrow {
    margin: 0 0 28px;
    color: rgba(247, 247, 242, 0.66);
    font-size: 15px;
    font-weight: 760;
}

.hero-copy h1 {
    margin: 0;
    color: #ffffff;
    font-size: 96px;
    font-weight: 740;
    line-height: 0.98;
}

.hero-desc {
    max-width: 520px;
    margin: 36px 0 0;
    color: rgba(247, 247, 242, 0.82);
    font-size: 23px;
    line-height: 1.38;
}

.hero-workspace-panel {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 1720px;
    margin: 0 auto;
    min-width: 0;
}

.hero-workspace-panel::before {
    content: none;
}

.hero-actions,
.final-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.hero-actions {
    align-items: flex-start;
    margin-top: 42px;
}

.hero-action-stack {
    display: grid;
    gap: 12px;
}

.hero-action-stack .hero-button {
    width: 100%;
}

.hero-button {
    min-height: 50px;
}

.visual-frame {
    position: relative;
    width: 100%;
    min-height: 720px;
    overflow: hidden;
    border-radius: 8px;
    background: #2a2a2a;
    box-shadow: 0 32px 90px rgba(0, 0, 0, 0.34);
}

.hero-workspace-panel .visual-frame {
    aspect-ratio: 2.16 / 1;
}

.visual-workspace {
    background:
        linear-gradient(90deg, rgba(71, 86, 245, 0.68) 0%, rgba(71, 86, 245, 0.68) 33%, rgba(159, 132, 255, 0.74) 33%, rgba(159, 132, 255, 0.74) 100%),
        #cbc8ff;
}

.workspace-backdrop {
    position: absolute;
    inset: 0;
    background:
        repeating-linear-gradient(90deg, rgba(16, 20, 64, 0.16) 0 1px, transparent 1px 112px),
        repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.12) 0 1px, transparent 1px 96px);
}

.workspace-window {
    position: absolute;
    left: 45.5%;
    top: clamp(190px, 11.5vw, 220px);
    z-index: 3;
    width: clamp(860px, 64vw, 1180px);
    height: clamp(560px, 41vw, 760px);
    overflow: hidden;
    border-radius: 8px;
    background: #f8f4ff;
    box-shadow: 0 34px 100px rgba(0, 0, 0, 0.34);
}

.workspace-image-placeholder {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background: #ffffff;
}

.mock-chat-shell {
    display: grid;
    grid-template-columns: 24% 76%;
    width: 100%;
    height: 100%;
    color: #111111;
    background: #ffffff;
}

.mock-sidebar {
    display: flex;
    flex-direction: column;
    min-width: 0;
    padding: 24px 22px 20px;
    color: #ffffff;
    background: #050505;
}

.mock-logo {
    display: inline-flex;
    align-items: baseline;
    gap: 2px;
    font-size: 26px;
    font-weight: 850;
    line-height: 1;
}

.mock-logo span {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.46);
}

.mock-new-chat {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    height: 50px;
    margin-top: 32px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 8px;
    font-size: 16px;
    font-weight: 760;
}

.mock-new-chat i {
    position: relative;
    width: 14px;
    height: 14px;
}

.mock-new-chat i::before,
.mock-new-chat i::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    width: 12px;
    height: 2px;
    border-radius: 999px;
    background: #ffffff;
    transform: translate(-50%, -50%);
}

.mock-new-chat i::after {
    transform: translate(-50%, -50%) rotate(90deg);
}

.mock-sidebar-list {
    display: grid;
    gap: 20px;
    margin-top: 42px;
    color: rgba(255, 255, 255, 0.68);
    font-size: 15px;
    line-height: 1.25;
}

.mock-sidebar-list div {
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.mock-sidebar-footer {
    display: grid;
    gap: 18px;
    margin-top: auto;
    padding-top: 22px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.mock-footer-link,
.mock-user {
    display: flex;
    align-items: center;
    gap: 12px;
}

.mock-footer-link i {
    width: 22px;
    height: 22px;
    border: 2px solid rgba(255, 255, 255, 0.6);
    border-radius: 50%;
}

.mock-user b {
    display: grid;
    place-items: center;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: #1e293b;
    font-size: 15px;
}

.mock-user span,
.mock-footer-link span {
    font-size: 15px;
    font-weight: 760;
}

.mock-chat-main {
    position: relative;
    display: flex;
    flex-direction: column;
    min-width: 0;
    background: #ffffff;
}

.mock-chat-header {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1fr) minmax(0, 0.9fr);
    align-items: center;
    min-height: 62px;
    padding: 0 30px;
    border-bottom: 1px solid #e8e8e8;
}

.mock-model-select,
.mock-header-actions {
    display: flex;
    align-items: center;
    gap: 14px;
}

.mock-model-select i {
    display: none;
}

.mock-model-select strong {
    color: #111111;
    font-size: 17px;
    font-weight: 850;
}

.mock-model-select span {
    width: 10px;
    height: 10px;
    border-right: 2px solid #8a8a8a;
    border-bottom: 2px solid #8a8a8a;
    transform: rotate(45deg) translateY(-3px);
}

.mock-chat-title {
    text-align: center;
    color: #111111;
    font-size: 17px;
    font-weight: 650;
}

.mock-header-actions {
    justify-content: flex-end;
}

.mock-header-actions i {
    width: 22px;
    height: 22px;
    border: 2px solid #171717;
    border-radius: 4px;
}

.mock-chat-corner-body {
    display: flex;
    flex: 1;
    flex-direction: column;
    justify-content: center;
    min-height: 0;
    padding: 0 72px 132px;
    text-align: center;
}

.mock-chat-corner-body h3 {
    margin: 0;
    color: #000000;
    font-size: 32px;
    font-weight: 820;
}

.mock-chat-corner-body p {
    margin: 44px 0 0;
    color: #858585;
    font-size: 19px;
}

.signal-section {
    display: grid;
    grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
    gap: 58px;
    align-items: stretch;
    padding: 0 44px 96px;
}

.signal-heading h2 {
    margin: 0;
    color: #ffffff;
    font-size: 42px;
    font-weight: 760;
    line-height: 1.08;
}

.download-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-top: 28px;
    padding: 14px 28px;
    color: #000000;
    background: #ffffff;
    border: 0;
    border-radius: 999px;
    font-family: inherit;
    font-size: 16px;
    font-weight: 760;
    line-height: 1;
    white-space: nowrap;
    text-decoration: none;
    cursor: pointer;
    transition: background 180ms ease, transform 180ms ease;
}

.download-button svg {
    width: 20px;
    height: 20px;
}

.download-button path {
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.download-button:hover {
    background: #e7e7e0;
    transform: translateY(-1px);
}

.signal-panel {
    position: relative;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    min-height: 260px;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 8px;
    background:
        linear-gradient(90deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02)),
        #141414;
}

.signal-panel::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.05) 0 1px, transparent 1px 84px),
        repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.04) 0 1px, transparent 1px 68px);
    pointer-events: none;
}

.signal-streams {
    position: absolute;
    inset: 22px;
    display: grid;
    grid-template-rows: repeat(4, 1fr);
    gap: 18px;
    pointer-events: none;
}

.signal-streams span {
    position: relative;
    overflow: hidden;
    border-top: 1px solid rgba(255, 255, 255, 0.09);
}

.signal-streams span::after {
    content: "";
    position: absolute;
    top: -1px;
    left: 0;
    width: 30%;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.72), transparent);
    transform: translateX(-120%);
    animation: signalMove 5.4s ease-in-out infinite;
}

.signal-streams span:nth-child(2)::after {
    animation-delay: 620ms;
}

.signal-streams span:nth-child(3)::after {
    animation-delay: 1180ms;
}

.signal-streams span:nth-child(4)::after {
    animation-delay: 1760ms;
}

.signal-metric {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 24px;
    border-right: 1px solid var(--line);
    z-index: 1;
}

.signal-metric:last-child {
    border-right: 0;
}

.signal-metric span {
    color: var(--muted);
    font-size: 13px;
    font-weight: 850;
}

.signal-metric strong {
    margin-top: 10px;
    color: #ffffff;
    font-size: 24px;
    font-weight: 780;
}

@keyframes signalMove {
    0%, 42% { transform: translateX(-120%); opacity: 0; }
    50% { opacity: 1; }
    88%, 100% { transform: translateX(340%); opacity: 0; }
}

.capability-section {
    padding: 0 44px 96px;
}

.section-heading {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    max-width: 860px;
    margin-bottom: 34px;
}

.section-heading .eyebrow {
    margin: 0;
}

.section-heading h2,
.final-section h2 {
    margin: 0;
    color: #ffffff;
    font-size: 56px;
    font-weight: 760;
    line-height: 1.06;
}

.capability-grid {
    position: relative;
}

.capability-viewport {
    overflow: hidden;
    border-radius: 8px;
}

.capability-track {
    display: flex;
    transform: translateX(calc(var(--capability-index, 0) * -100%));
    transition: transform 540ms cubic-bezier(0.22, 1, 0.36, 1);
    will-change: transform;
}

.capability-card {
    position: relative;
    flex: 0 0 100%;
    overflow: hidden;
    border-radius: 8px;
    background: #121212;
    --capability-left: rgba(24, 108, 114, 0.72);
    --capability-right: rgba(126, 188, 168, 0.74);
}

.capability-provider {
    --capability-left: rgba(164, 53, 90, 0.72);
    --capability-right: rgba(236, 173, 84, 0.72);
}

.capability-knowledge {
    --capability-left: rgba(40, 120, 132, 0.68);
    --capability-right: rgba(123, 195, 168, 0.72);
}

.capability-workflow {
    --capability-left: rgba(52, 76, 148, 0.7);
    --capability-right: rgba(98, 150, 224, 0.72);
}

.capability-observe {
    --capability-left: rgba(91, 72, 150, 0.7);
    --capability-right: rgba(205, 120, 168, 0.7);
}

.capability-body {
    position: relative;
    min-height: 440px;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 8px;
    background:
        repeating-linear-gradient(90deg, rgba(16, 20, 64, 0.16) 0 1px, transparent 1px 104px),
        repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.12) 0 1px, transparent 1px 84px),
        linear-gradient(90deg, var(--capability-left) 0%, var(--capability-left) 33%, var(--capability-right) 33%, var(--capability-right) 100%);
    clip-path: inset(0 round 8px);
    isolation: isolate;
}

.capability-title-panel {
    position: absolute;
    left: 34px;
    top: 50%;
    z-index: 2;
    display: grid;
    gap: 16px;
    max-width: 380px;
    transform: translateY(-50%);
}

.capability-title-panel span {
    color: rgba(255, 255, 255, 0.56);
    font-size: 15px;
    font-weight: 760;
}

.capability-title-panel h3 {
    margin: 0;
    color: #ffffff;
    font-size: 52px;
    font-weight: 760;
    line-height: 1;
}

.capability-title-panel p {
    max-width: 330px;
    margin: 2px 0 0;
    color: rgba(255, 255, 255, 0.76);
    font-size: 18px;
    line-height: 1.42;
}

.capability-preview-window {
    position: absolute;
    left: 42%;
    top: 52px;
    width: 78%;
    bottom: 0;
    height: auto;
    overflow: hidden;
    border-radius: 8px;
    background:
        repeating-linear-gradient(90deg, rgba(16, 20, 64, 0.16) 0 1px, transparent 1px 64px),
        repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.12) 0 1px, transparent 1px 54px),
        linear-gradient(120deg, rgba(255, 255, 255, 0.36), rgba(255, 255, 255, 0.08));
    box-shadow: 0 28px 76px rgba(0, 0, 0, 0.28);
    isolation: isolate;
}

.capability-preview-window::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.22), transparent 52%);
    pointer-events: none;
}

/* Capability previews use DOM windows instead of screenshots. */
.capability-mock-window {
    position: absolute;
    inset: 18px;
    z-index: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    min-height: 0;
    overflow: hidden;
    color: #111111;
    border: 1px solid rgba(17, 17, 17, 0.12);
    border-radius: 8px;
    background: #fbfaf7;
    box-shadow: 0 18px 42px rgba(0, 0, 0, 0.24);
}

.capability-window-bar {
    display: flex;
    align-items: center;
    gap: 7px;
    min-height: 42px;
    padding: 0 18px;
    border-bottom: 1px solid rgba(17, 17, 17, 0.1);
    background: rgba(255, 255, 255, 0.86);
}

.capability-window-bar span {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: #d8d8d2;
}

.capability-window-bar strong {
    min-width: 0;
    margin-left: 8px;
    overflow: hidden;
    color: rgba(17, 17, 17, 0.64);
    font-size: 12px;
    font-weight: 820;
    line-height: 1;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.provider-mock {
    inset: 14px -210px -126px 14px;
    min-width: 760px;
    background: #ffffff;
}

.provider-mock-layout {
    display: grid;
    grid-template-columns: 31% 69%;
    flex: 1;
    min-height: 0;
    background: #ffffff;
}

.provider-source-list,
.provider-quota-list {
    position: relative;
    min-width: 0;
    overflow: hidden;
}

.provider-source-list {
    border-right: 1px solid #e4e7ee;
    background: #ffffff;
}

.provider-source-list::after,
.provider-quota-list::after {
    content: "";
    position: absolute;
    top: 10px;
    right: 4px;
    width: 7px;
    height: 40%;
    border-radius: 999px;
    background: rgba(17, 17, 17, 0.38);
}

.provider-quota-list::after {
    height: 62%;
}

.provider-source-row {
    display: grid;
    grid-template-columns: 42px minmax(0, 1fr);
    gap: 14px;
    min-height: 120px;
    padding: 16px 26px 16px 16px;
    border-bottom: 1px solid #edf0f5;
}

.provider-source-row.is-selected {
    background: #eef3ff;
}

.provider-logo {
    display: block;
    width: 34px;
    height: 34px;
    margin-top: 4px;
    border-radius: 9px;
    object-fit: contain;
}

.provider-source-copy {
    min-width: 0;
}

.provider-source-copy b {
    display: block;
    overflow: hidden;
    color: #0f172a;
    font-size: 18px;
    font-weight: 850;
    line-height: 1.15;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.provider-source-copy em,
.provider-source-copy small {
    overflow: hidden;
    color: #52637d;
    font-size: 14px;
    font-style: normal;
    line-height: 1.3;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.provider-source-copy em {
    display: flex;
    gap: 4px;
    align-items: center;
}

.provider-source-copy small {
    display: inline;
    min-width: 0;
}

.provider-policy {
    display: grid;
    grid-template-columns: auto minmax(86px, 1fr);
    gap: 10px;
    align-items: center;
    margin-top: 12px;
}

.provider-policy span {
    overflow: hidden;
    color: #26364f;
    font-size: 13px;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.provider-policy strong {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    min-width: 0;
    padding: 10px 10px 10px 12px;
    overflow: hidden;
    color: #111111;
    border: 1px solid #dde1e8;
    border-radius: 8px;
    background: #ffffff;
    font-size: 13px;
    font-weight: 760;
    line-height: 1;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.provider-policy i {
    flex: 0 0 auto;
    font-size: 11px;
}

.provider-quota-list {
    display: grid;
    align-content: start;
    gap: 16px;
    padding: 18px 24px 32px 18px;
    background: #ffffff;
}

.quota-card {
    display: grid;
    grid-template-columns: 42px minmax(0, 1fr);
    gap: 14px;
    min-height: 112px;
    padding: 14px 16px;
    border: 1px solid #e1e5ec;
    border-radius: 14px;
    background: #f8fafc;
}

.quota-provider-icon {
    display: block;
    width: 28px;
    height: 28px;
    margin-top: 46px;
    object-fit: contain;
}

.quota-card-copy {
    min-width: 0;
}

.quota-model-title {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}

.quota-status-dot {
    position: relative;
    flex: 0 0 auto;
    width: 34px;
    height: 34px;
    border: 1px solid #ffd35a;
    border-radius: 10px;
    background: #fff9e5;
}

.quota-status-dot::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    width: 17px;
    height: 17px;
    border-radius: 50%;
    background: #d59600;
    transform: translate(-50%, -50%);
}

.quota-model-title b {
    min-width: 0;
    overflow: hidden;
    color: #111827;
    font-size: 17px;
    font-weight: 850;
    line-height: 1.22;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.quota-card p {
    margin: 6px 0 10px 46px;
    overflow: hidden;
    color: #5f708b;
    font-size: 13px;
    line-height: 1.2;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.quota-bar {
    position: relative;
    height: 12px;
    margin-left: 46px;
    overflow: hidden;
    border-radius: 999px;
    background: #e7ecf3;
}

.quota-bar span {
    position: absolute;
    top: 0;
    bottom: 0;
}

.quota-card-green .quota-bar span {
    left: 50%;
    right: 0;
    background: #16a34a;
}

.quota-card-red .quota-bar span {
    left: 0;
    width: 50%;
    background: #dc2626;
}

.quota-bar i {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 3px;
    background: #46546a;
}

.quota-values {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    margin: 8px 0 0 46px;
    color: #111827;
    font-size: 13px;
}

.quota-values span,
.quota-values b {
    overflow: hidden;
    font-weight: 650;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.quota-card-green .quota-values span {
    margin-left: auto;
    color: #15803d;
}

.quota-card-red .quota-values span {
    color: #dc2626;
}

.knowledge-mock {
    inset: 12px -210px -130px 12px;
    min-width: 820px;
    color: #1f2328;
    background: #ffffff;
}

.knowledge-editor-topbar {
    position: relative;
    display: flex;
    align-items: center;
    gap: 16px;
    min-height: 78px;
    padding: 0 24px;
    border-bottom: 1px solid #e8e8e8;
    background: #ffffff;
}

.knowledge-editor-topbar button {
    display: grid;
    place-items: center;
    flex: 0 0 auto;
    width: 48px;
    height: 48px;
    padding: 0;
    color: #1f2328;
    border: 1px solid #111111;
    border-radius: 12px;
    background: #ffffff;
    font-size: 19px;
}

.knowledge-editor-topbar button:first-child {
    width: 34px;
    border-color: transparent;
    font-size: 18px;
}

.knowledge-editor-topbar .danger {
    color: #ef4444;
    border-color: #ef4444;
}

.knowledge-editor-topbar strong {
    position: absolute;
    left: 52%;
    top: 50%;
    overflow: hidden;
    max-width: 360px;
    font-size: 18px;
    font-weight: 850;
    line-height: 1.2;
    text-overflow: ellipsis;
    white-space: nowrap;
    transform: translate(-50%, -50%);
}

.knowledge-editor-toolbar {
    display: flex;
    align-items: center;
    gap: 18px;
    min-height: 66px;
    padding: 0 24px;
    color: #9aa0a6;
    border-bottom: 1px solid #ededed;
    background: #fafafa;
    font-size: 18px;
}

.knowledge-editor-toolbar span {
    width: 1px;
    height: 28px;
    background: #dedede;
}

.knowledge-editor-toolbar b {
    display: grid;
    place-items: center;
    width: 38px;
    height: 38px;
    color: #1f3a56;
    border: 1px solid #a5b4c1;
    border-radius: 4px;
    background: #ffffff;
}

.knowledge-editor-page {
    min-width: 0;
    padding: 48px 28px 80px;
    overflow: hidden;
    background: #ffffff;
}

.knowledge-editor-page h4 {
    margin: 0;
    padding-bottom: 10px;
    color: #202428;
    border-bottom: 1px solid #e7e7e7;
    font-size: 36px;
    font-weight: 850;
    line-height: 1.16;
    white-space: nowrap;
}

.knowledge-editor-page h5 {
    margin: 32px 0 0;
    padding-bottom: 8px;
    color: #111827;
    border-bottom: 1px solid #e7e7e7;
    font-size: 26px;
    font-weight: 850;
    line-height: 1.18;
    white-space: nowrap;
}

.knowledge-editor-page p {
    width: 900px;
    margin: 26px 0 0;
    color: #111827;
    font-size: 18px;
    line-height: 1.78;
    white-space: nowrap;
}

.workflow-mock {
    inset: 12px -230px -124px 12px;
    display: grid;
    grid-template-columns: 34% 66%;
    min-width: 840px;
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.1);
    background: #000000;
}

.workflow-sidebar {
    position: relative;
    min-width: 0;
    padding: 38px 22px 24px;
    overflow: hidden;
    background: #000000;
}

.workflow-brand-row {
    display: flex;
    align-items: baseline;
    gap: 34px;
    min-width: 0;
}

.workflow-brand-row strong,
.workflow-brand-row b {
    overflow: hidden;
    font-size: 21px;
    font-weight: 850;
    line-height: 1;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.workflow-brand-row strong {
    padding-bottom: 16px;
    border-bottom: 2px solid #ffffff;
}

.workflow-brand-row strong span {
    color: rgba(255, 255, 255, 0.34);
}

.workflow-brand-row b {
    color: rgba(255, 255, 255, 0.72);
}

.workflow-new-chat {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    min-height: 52px;
    margin-top: 34px;
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 8px;
    background: transparent;
    font-size: 17px;
    font-weight: 760;
}

.workflow-new-chat i {
    font-size: 12px;
}

.workflow-chat-list {
    position: relative;
    display: grid;
    gap: 28px;
    margin-top: 42px;
    padding-right: 22px;
}

.workflow-chat-list div {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
    color: rgba(255, 255, 255, 0.58);
}

.workflow-chat-list i {
    flex: 0 0 auto;
    color: #2f7cff;
    font-size: 13px;
}

.workflow-chat-list div > span {
    min-width: 0;
    overflow: hidden;
    font-size: 17px;
    font-weight: 760;
    line-height: 1.22;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.workflow-scrollbar {
    position: absolute;
    right: 0;
    top: 50%;
    width: 8px;
    height: 28px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.22);
    transform: translateY(-50%);
}

.workflow-scrollbar::before {
    content: "";
    position: absolute;
    left: 1px;
    top: -14px;
    border-right: 4px solid transparent;
    border-bottom: 7px solid rgba(255, 255, 255, 0.18);
    border-left: 4px solid transparent;
}

.workflow-chat-main {
    min-width: 0;
    overflow: hidden;
    color: #111111;
    background: #ffffff;
}

.workflow-chat-header {
    display: flex;
    align-items: center;
    gap: 28px;
    min-height: 86px;
    padding: 0 92px;
    border-bottom: 1px solid #e8e8e8;
    background: #ffffff;
}

.workflow-chat-header i {
    color: #9a9a9a;
    font-size: 15px;
}

.workflow-chat-header strong {
    overflow: hidden;
    font-size: 22px;
    font-weight: 850;
    line-height: 1;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.workflow-chat-canvas {
    position: relative;
    height: 100%;
    min-height: 270px;
    background: #ffffff;
}

.workflow-chat-canvas span {
    position: absolute;
    right: -3px;
    bottom: 14px;
    color: #000000;
    font-size: 34px;
    font-weight: 850;
    line-height: 1;
}

.observe-mock {
    inset: 12px -230px -122px 12px;
    min-width: 880px;
    color: #111827;
    background: #ffffff;
}

.observe-stat-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    padding: 22px 22px 16px;
    border-bottom: 1px solid #e5e7eb;
}

.observe-stat-card {
    min-width: 0;
    min-height: 112px;
    padding: 22px 20px;
    border: 1px solid #dde1e7;
    border-radius: 8px;
    background: #fbfbfc;
}

.observe-stat-card span {
    display: block;
    overflow: hidden;
    color: #666666;
    font-size: 15px;
    font-weight: 850;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.observe-stat-card b {
    display: block;
    margin-top: 18px;
    overflow: hidden;
    color: #000000;
    font-family: Georgia, "Times New Roman", serif;
    font-size: 31px;
    font-weight: 500;
    line-height: 1;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.observe-trend-panel {
    padding: 18px 22px 28px;
    background: #ffffff;
}

.observe-trend-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 14px;
}

.observe-trend-head strong {
    overflow: hidden;
    color: #111827;
    font-size: 17px;
    font-weight: 850;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.observe-trend-head span {
    overflow: hidden;
    color: #667895;
    font-size: 14px;
    font-weight: 650;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.observe-trend-chart {
    position: relative;
    min-height: 260px;
    padding: 14px 16px 34px 70px;
    overflow: hidden;
    border: 1px solid #e9edf4;
    border-radius: 8px;
    background: #ffffff;
}

.observe-y-axis {
    position: absolute;
    left: 10px;
    top: 12px;
    bottom: 42px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    color: #8aa0bf;
    font-size: 12px;
    font-weight: 650;
}

.observe-trend-chart svg {
    display: block;
    width: 100%;
    height: 220px;
    overflow: hidden;
}

.observe-grid-line {
    fill: none;
    stroke: #e8edf5;
    stroke-width: 1;
}

.observe-token-line {
    fill: none;
    stroke: #2563eb;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 4;
    vector-effect: non-scaling-stroke;
}

.observe-x-axis {
    position: absolute;
    left: 70px;
    right: 16px;
    bottom: 14px;
    display: flex;
    justify-content: space-between;
    color: #8aa0bf;
    font-size: 12px;
    font-weight: 650;
}

.capability-controls {
    display: flex;
    gap: 10px;
    align-items: center;
    justify-content: center;
    margin-top: 18px;
}

.capability-controls button {
    width: 28px;
    height: 3px;
    padding: 0;
    border: 0;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.28);
    cursor: pointer;
}

.capability-controls button.is-active {
    background: rgba(255, 255, 255, 0.86);
}

.updates-section {
    padding: 92px 44px 104px;
    border-top: 1px solid var(--line);
    background: #000000;
}

.updates-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 40px;
}

.updates-head > div {
    display: grid;
    gap: 10px;
}

.updates-kicker {
    margin: 0;
    color: rgba(247, 247, 242, 0.54);
    font-size: 13px;
    font-weight: 850;
    letter-spacing: 0;
}

.updates-head h2 {
    margin: 0;
    color: #ffffff;
    font-size: 38px;
    font-weight: 820;
    line-height: 1.05;
}

.updates-head a {
    display: inline-flex;
    align-items: center;
    min-height: 40px;
    padding: 0 18px;
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 999px;
    font-size: 16px;
    font-weight: 760;
}

.updates-head a:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* 开发日志使用单张海报式视觉，避免旧动态列表拆散产品截图。 */
.updates-visual-panel {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 380px);
    grid-template-rows: 1fr auto;
    gap: 32px;
    --updates-image: url("/static/img/cover/gen_aca28f34.png");
    min-height: 620px;
    padding: 54px;
    overflow: hidden;
    border-radius: 8px;
    background:
        linear-gradient(135deg, rgba(7, 8, 8, 0.98) 0%, rgba(5, 19, 20, 0.74) 45%, rgba(7, 8, 8, 0.94) 100%),
        #080808;
    box-shadow: 0 32px 90px rgba(0, 0, 0, 0.34);
}

.updates-visual-panel::after {
    content: "";
    position: absolute;
    pointer-events: none;
}

.updates-visual-art {
    position: absolute;
    z-index: 0;
    top: 40px;
    right: 42px;
    bottom: 40px;
    width: min(48%, 560px);
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 8px;
    background-image:
        linear-gradient(180deg, rgba(255, 255, 255, 0.12), rgba(0, 0, 0, 0.2)),
        var(--updates-image);
    background-position: center;
    background-size: cover;
    box-shadow:
        0 28px 90px rgba(0, 0, 0, 0.44),
        inset 0 0 0 1px rgba(255, 255, 255, 0.05);
    opacity: 0.76;
}

.updates-visual-panel::after {
    z-index: 0;
    inset: 0;
    background:
        linear-gradient(90deg, rgba(0, 0, 0, 0.92) 0%, rgba(0, 0, 0, 0.76) 38%, rgba(0, 0, 0, 0.26) 68%, rgba(0, 0, 0, 0.58) 100%),
        radial-gradient(circle at 80% 24%, rgba(155, 216, 194, 0.18), transparent 30%),
        radial-gradient(circle at 58% 84%, rgba(255, 181, 138, 0.12), transparent 28%);
}

.updates-visual-copy,
.updates-visual-points {
    position: relative;
    z-index: 1;
}

.updates-visual-copy {
    align-self: center;
    max-width: 640px;
    transform: translateY(-34px);
}

.updates-visual-copy h3 {
    margin: 0;
    color: #ffffff;
    font-size: clamp(38px, 6vw, 76px);
    font-weight: 840;
    line-height: 0.98;
}

.updates-visual-copy p {
    max-width: 560px;
    margin: 26px 0 0;
    color: rgba(247, 247, 242, 0.72);
    font-size: 19px;
    font-weight: 700;
    line-height: 1.58;
}

.updates-visual-points {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
}

.updates-visual-points article {
    position: relative;
    min-width: 0;
    min-height: 96px;
    padding: 18px 20px 28px;
    overflow: hidden;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.055);
    backdrop-filter: blur(16px);
    cursor: pointer;
    transition: background 160ms ease, transform 160ms ease;
}

.updates-visual-points article:hover,
.updates-visual-points article:focus-visible,
.updates-visual-points article.is-active {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-2px);
}

.updates-visual-points strong {
    position: relative;
    z-index: 1;
    display: block;
    color: #ffffff;
    font-size: 18px;
    font-weight: 800;
    line-height: 1.25;
}

.updates-visual-points time {
    position: absolute;
    z-index: 1;
    right: 18px;
    bottom: 12px;
    color: rgba(247, 247, 242, 0.48);
    font-size: 12px;
    font-weight: 850;
}

.final-section {
    padding: 108px 44px 120px;
}

.final-section h2 {
    max-width: 880px;
}

.final-actions {
    margin-top: 36px;
}

.site-footer {
    display: flex;
    align-items: center;
    gap: 28px;
    min-height: 92px;
    padding: 0 44px;
    color: var(--muted);
    border-top: 1px solid var(--line);
}

.site-footer span {
    margin-right: auto;
    color: #ffffff;
    font-weight: 800;
}

.site-footer a:hover {
    color: #ffffff;
}

@media (max-width: 1180px) {
    .signal-section {
        grid-template-columns: 1fr;
    }

    .hero-section {
        min-height: auto;
    }

    .hero-copy {
        width: min(58%, 620px);
    }

    .hero-actions {
        justify-content: flex-start;
    }

    .hero-workspace-panel {
        max-width: 100%;
    }
}

@media (max-width: 900px) {
    .site-header {
        grid-template-areas:
            "brand nav";
        grid-template-columns: auto minmax(0, 1fr);
        gap: 12px;
        min-height: 64px;
        padding: 0 22px;
    }

    .brand {
        grid-area: brand;
        min-height: 64px;
    }

    .main-nav {
        grid-area: nav;
        display: flex;
        align-items: center;
        justify-content: flex-end;
        gap: 8px;
        width: 100%;
        min-height: 64px;
        overflow-x: auto;
        scrollbar-width: none;
    }

    .main-nav::-webkit-scrollbar {
        display: none;
    }

    .nav-menu-group {
        min-height: 64px;
    }

    .nav-link {
        min-height: 64px;
        padding: 0 10px;
    }

    .header-actions {
        display: none;
    }

    .icon-button,
    .ghost-button {
        display: none;
    }

    .hero-section {
        padding: 70px 22px 38px;
    }

    .visual-frame {
        min-height: 560px;
    }

    .hero-workspace-panel .visual-frame {
        aspect-ratio: 1.34 / 1;
    }

    .hero-copy {
        left: 30px;
        top: 44%;
        width: min(60%, 520px);
    }

    .hero-copy h1 {
        font-size: 72px;
    }

    .hero-desc {
        font-size: 20px;
    }

    .signal-section,
    .capability-section,
    .updates-section,
    .final-section {
        padding-left: 22px;
        padding-right: 22px;
    }

    .workspace-window {
        left: 43%;
        top: 198px;
        width: clamp(620px, 78vw, 820px);
        height: clamp(430px, 56vw, 580px);
    }

    .mock-chat-shell {
        grid-template-columns: 26% 74%;
    }

    .mock-sidebar {
        padding: 24px 22px 20px;
    }

    .mock-logo {
        font-size: 24px;
    }

    .mock-sidebar-list {
        gap: 18px;
        margin-top: 34px;
        font-size: 15px;
    }

    .mock-chat-header {
        min-height: 60px;
        padding: 0 24px;
    }

    .mock-model-select strong,
    .mock-chat-title {
        font-size: 17px;
    }

    .mock-header-actions i:nth-child(3) {
        display: none;
    }

    .mock-chat-corner-body {
        padding: 0 54px 96px;
    }

    .mock-chat-corner-body h3 {
        font-size: 28px;
    }

    .mock-chat-corner-body p {
        margin-top: 34px;
        font-size: 17px;
    }

    .signal-panel {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .metric-context,
    .metric-cost {
        border-right: 0;
    }

    .metric-provider,
    .metric-context {
        border-bottom: 1px solid var(--line);
    }

    .section-heading h2,
    .final-section h2 {
        font-size: 42px;
    }

    .updates-visual-panel {
        grid-template-columns: 1fr;
        min-height: 680px;
    }

    .updates-visual-art {
        top: auto;
        right: 28px;
        bottom: 150px;
        width: min(52%, 460px);
        height: 360px;
    }

    .site-footer {
        flex-wrap: wrap;
        padding: 24px 22px;
    }
}

@media (max-width: 560px) {
    .site-header {
        min-height: 60px;
        gap: 8px;
        padding: 0 14px;
    }

    .main-nav {
        gap: 2px;
        min-height: 60px;
    }

    .nav-link {
        min-height: 60px;
        padding: 0 6px;
        font-size: 13px;
    }

    .brand {
        flex-basis: 118px;
        width: 118px;
        min-height: 60px;
        font-size: 22px;
    }

    .brand-mark {
        flex-basis: 32px;
        width: 32px;
        min-width: 32px;
    }

    .primary-button,
    .secondary-button {
        padding: 0 18px;
        font-size: 14px;
    }

    .hero-copy h1 {
        font-size: 52px;
    }

    .hero-desc {
        max-width: 300px;
        margin-top: 22px;
        font-size: 18px;
    }

    .visual-frame {
        min-height: 760px;
    }

    .hero-workspace-panel .visual-frame {
        aspect-ratio: auto;
    }

    .hero-copy {
        left: 22px;
        top: 38px;
        width: calc(100% - 44px);
        transform: none;
    }

    .hero-actions,
    .final-actions {
        align-items: stretch;
        flex-direction: column;
    }

    .hero-actions {
        width: min(100%, 300px);
        margin-top: 28px;
    }

    .hero-action-stack {
        width: 100%;
    }

    .workspace-window {
        left: 22px;
        right: 22px;
        top: 420px;
        width: auto;
        height: 318px;
    }

    .mock-chat-shell {
        grid-template-columns: 34% 66%;
    }

    .mock-new-chat {
        height: 42px;
        margin-top: 24px;
        font-size: 13px;
    }

    .mock-sidebar {
        padding: 18px 14px 16px;
    }

    .mock-logo {
        font-size: 20px;
    }

    .mock-sidebar-list div:nth-child(n+3),
    .mock-footer-link {
        display: none;
    }

    .mock-user span,
    .mock-chat-title,
    .mock-header-actions {
        display: none;
    }

    .mock-chat-header {
        grid-template-columns: minmax(0, 1fr);
        min-height: 52px;
        padding: 0 18px;
    }

    .mock-model-select strong {
        font-size: 14px;
    }

    .mock-chat-corner-body {
        padding: 0 28px 76px;
    }

    .mock-chat-corner-body h3 {
        font-size: 24px;
    }

    .mock-chat-corner-body p {
        margin-top: 28px;
        font-size: 14px;
    }

    .signal-panel {
        grid-template-columns: 1fr;
    }

    .signal-metric {
        min-height: 132px;
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }

    .signal-metric:last-child {
        border-bottom: 0;
    }

    .section-heading h2,
    .final-section h2 {
        font-size: 34px;
    }

    .capability-body {
        min-height: 360px;
    }

    .capability-title-panel {
        left: 22px;
        top: 72px;
        transform: none;
    }

    .capability-title-panel h3 {
        font-size: 34px;
    }

    .capability-title-panel p {
        max-width: 260px;
        font-size: 15px;
    }

    .capability-preview-window {
        left: 22px;
        top: 190px;
        width: 520px;
        bottom: 0;
        height: auto;
    }

    .capability-mock-window {
        inset: 12px;
    }

    .capability-window-bar {
        min-height: 34px;
        padding: 0 12px;
    }

    .capability-window-bar span {
        width: 7px;
        height: 7px;
    }

    .capability-window-bar strong {
        font-size: 10px;
    }

    .provider-mock {
        inset: 12px -170px -96px 12px;
        min-width: 640px;
    }

    .provider-source-row {
        grid-template-columns: 32px minmax(0, 1fr);
        gap: 10px;
        min-height: 96px;
        padding: 12px 18px 12px 12px;
    }

    .provider-logo {
        width: 28px;
        height: 28px;
    }

    .provider-source-copy b {
        font-size: 14px;
    }

    .provider-source-copy em,
    .provider-source-copy small,
    .provider-policy span {
        font-size: 10px;
    }

    .provider-policy {
        grid-template-columns: auto minmax(70px, 1fr);
        gap: 7px;
        margin-top: 8px;
    }

    .provider-policy strong {
        padding: 8px;
        font-size: 10px;
    }

    .provider-quota-list {
        gap: 12px;
        padding: 12px 18px 22px 12px;
    }

    .quota-card {
        grid-template-columns: 32px minmax(0, 1fr);
        gap: 10px;
        min-height: 88px;
        padding: 10px 12px;
    }

    .quota-provider-icon {
        width: 22px;
        height: 22px;
        margin-top: 38px;
    }

    .quota-status-dot {
        width: 26px;
        height: 26px;
        border-radius: 8px;
    }

    .quota-status-dot::after {
        width: 13px;
        height: 13px;
    }

    .quota-model-title {
        gap: 8px;
    }

    .quota-model-title b {
        font-size: 12px;
    }

    .quota-card p,
    .quota-bar,
    .quota-values {
        margin-left: 34px;
    }

    .quota-card p,
    .quota-values {
        font-size: 10px;
    }

    .quota-bar {
        height: 9px;
        margin-top: 8px;
    }

    .knowledge-mock {
        inset: 12px -170px -92px 12px;
        min-width: 640px;
    }

    .knowledge-editor-topbar {
        gap: 10px;
        min-height: 54px;
        padding: 0 14px;
    }

    .knowledge-editor-topbar button {
        width: 34px;
        height: 34px;
        border-radius: 8px;
        font-size: 13px;
    }

    .knowledge-editor-topbar button:first-child {
        width: 26px;
    }

    .knowledge-editor-topbar strong {
        max-width: 260px;
        font-size: 13px;
    }

    .knowledge-editor-toolbar {
        gap: 12px;
        min-height: 46px;
        padding: 0 14px;
        font-size: 13px;
    }

    .knowledge-editor-toolbar span {
        height: 20px;
    }

    .knowledge-editor-toolbar b {
        width: 28px;
        height: 28px;
    }

    .knowledge-editor-page {
        padding: 34px 18px 60px;
    }

    .knowledge-editor-page h4 {
        font-size: 26px;
    }

    .knowledge-editor-page h5 {
        margin-top: 24px;
        font-size: 20px;
    }

    .knowledge-editor-page p {
        width: 700px;
        margin-top: 18px;
        font-size: 13px;
    }

    .workflow-mock {
        inset: 12px -170px -92px 12px;
        grid-template-columns: 34% 66%;
        min-width: 640px;
    }

    .workflow-sidebar {
        padding: 28px 16px 18px;
    }

    .workflow-brand-row {
        gap: 24px;
    }

    .workflow-brand-row strong,
    .workflow-brand-row b {
        font-size: 16px;
    }

    .workflow-brand-row strong {
        padding-bottom: 12px;
    }

    .workflow-new-chat {
        gap: 8px;
        min-height: 40px;
        margin-top: 24px;
        font-size: 13px;
    }

    .workflow-chat-list {
        gap: 20px;
        margin-top: 32px;
    }

    .workflow-chat-list i {
        font-size: 10px;
    }

    .workflow-chat-list span {
        font-size: 12px;
    }

    .workflow-chat-header {
        gap: 20px;
        min-height: 62px;
        padding: 0 70px;
    }

    .workflow-chat-header i {
        font-size: 13px;
    }

    .workflow-chat-header strong {
        font-size: 16px;
    }

    .workflow-chat-canvas span {
        bottom: 8px;
        font-size: 24px;
    }

    .observe-mock {
        inset: 12px -170px -92px 12px;
        min-width: 660px;
    }

    .observe-stat-grid {
        gap: 10px;
        padding: 14px 14px 10px;
    }

    .observe-stat-card {
        min-height: 76px;
        padding: 14px 12px;
    }

    .observe-stat-card span {
        font-size: 11px;
    }

    .observe-stat-card b {
        margin-top: 12px;
        font-size: 22px;
    }

    .observe-trend-panel {
        padding: 12px 14px 18px;
    }

    .observe-trend-head {
        margin-bottom: 10px;
    }

    .observe-trend-head strong {
        font-size: 13px;
    }

    .observe-trend-head span {
        font-size: 10px;
    }

    .observe-trend-chart {
        min-height: 188px;
        padding: 10px 12px 28px 58px;
    }

    .observe-y-axis {
        left: 8px;
        bottom: 34px;
        font-size: 9px;
    }

    .observe-trend-chart svg {
        height: 156px;
    }

    .observe-token-line {
        stroke-width: 4;
    }

    .observe-x-axis {
        left: 58px;
        right: 12px;
        bottom: 10px;
        font-size: 9px;
    }

    .updates-section {
        padding-top: 70px;
        padding-bottom: 78px;
    }

    .updates-head {
        align-items: flex-start;
        flex-direction: column;
        gap: 18px;
        margin-bottom: 38px;
    }

    .updates-head h2 {
        font-size: 30px;
    }

    .updates-visual-panel {
        grid-template-columns: 1fr;
        gap: 24px;
        min-height: auto;
        padding: 26px;
    }

    .updates-visual-art {
        position: relative;
        z-index: 1;
        top: auto;
        right: auto;
        bottom: auto;
        grid-row: 1;
        width: 100%;
        height: auto;
        min-height: 280px;
        aspect-ratio: 1 / 1;
    }

    .updates-visual-copy {
        grid-row: 2;
        align-self: start;
        transform: none;
    }

    .updates-visual-copy h3 {
        font-size: 36px;
    }

    .updates-visual-copy p {
        font-size: 16px;
    }

    .updates-visual-points {
        grid-template-columns: 1fr;
    }

    .updates-visual-points article {
        min-height: 96px;
    }
}