:root {
    --ink: #102c2a;
    --ink-soft: #47615f;
    --paper: #f3f0e7;
    --paper-deep: #e8e2d3;
    --white: #fffdf8;
    --teal: #176b67;
    --teal-dark: #0d4d4a;
    --teal-pale: #dceae5;
    --lime: #cbe56d;
    --lime-soft: #edf6c8;
    --coral: #ec765f;
    --line: rgba(16, 44, 42, .14);
    --shadow: 0 22px 54px rgba(34, 61, 57, .12);
    --container: 1180px;
    --header-h: 74px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-h) + 18px);
}

body {
    margin: 0;
    color: var(--ink);
    background:
        radial-gradient(ellipse 70% 50% at 8% -10%, rgba(203, 229, 109, .22), transparent 55%),
        radial-gradient(ellipse 55% 45% at 100% 8%, rgba(23, 107, 103, .1), transparent 50%),
        linear-gradient(180deg, #f7f4ec 0%, var(--paper) 42%, #efe9dc 100%);
    font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
    -webkit-font-smoothing: antialiased;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    opacity: .35;
    background-image:
        linear-gradient(rgba(16, 44, 42, .03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(16, 44, 42, .03) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: linear-gradient(180deg, #000 0%, transparent 78%);
}

body.menu-open {
    overflow: hidden;
}

a {
    color: inherit;
}

button,
a {
    -webkit-tap-highlight-color: transparent;
}

:focus-visible {
    outline: 2px solid var(--teal);
    outline-offset: 3px;
}

::selection {
    color: var(--ink);
    background: rgba(203, 229, 109, .55);
}

img {
    max-width: 100%;
}

.skip-link {
    position: absolute;
    left: 16px;
    top: -48px;
    z-index: 100;
    padding: 10px 14px;
    border-radius: 999px;
    color: #fff;
    background: var(--teal);
    text-decoration: none;
    font-size: 13px;
    font-weight: 700;
}

.skip-link:focus {
    top: 16px;
}

.container {
    width: min(var(--container), calc(100% - 48px));
    margin-inline: auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    border-bottom: 1px solid transparent;
    background: rgba(243, 240, 231, .84);
    backdrop-filter: blur(18px);
    transition: border-color .2s ease, background-color .2s ease;
}

.site-header.scrolled {
    border-color: var(--line);
    background: rgba(255, 253, 248, .92);
}

.nav {
    min-height: var(--header-h);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 11px;
    color: var(--ink);
    text-decoration: none;
    flex: 0 0 auto;
}

.brand img {
    width: 48px;
    height: 40px;
    object-fit: contain;
    display: block;
    flex-shrink: 0;
}

.nav-login-logo {
    width: 22px;
    height: 18px;
    object-fit: contain;
    display: inline-block;
    vertical-align: -3px;
    margin-right: 6px;
}

.brand-login {
    display: inline-flex !important;
    align-items: center;
    gap: 2px;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 0 0 auto;
}

.brand-copy {
    display: grid;
    gap: 2px;
}

.brand-copy strong {
    font-family: Outfit, "Noto Sans SC", sans-serif;
    font-size: 17px;
    letter-spacing: -.04em;
}

.brand-copy small {
    color: var(--ink-soft);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: .18em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
}

.nav-links a {
    position: relative;
    color: var(--ink-soft);
    text-decoration: none;
    font-size: 14px;
    font-weight: 650;
    transition: color .2s ease;
}

.nav-links a::after {
    content: "";
    position: absolute;
    left: 0;
    right: 100%;
    bottom: -7px;
    height: 2px;
    background: var(--teal);
    transition: right .2s ease;
}

.nav-links a:hover,
.nav-links a.is-active {
    color: var(--ink);
}

.nav-links a:hover::after,
.nav-links a.is-active::after {
    right: 0;
}

.nav-login-mobile {
    display: none;
}

.menu-toggle {
    display: none;
    width: 42px;
    height: 42px;
    padding: 0;
    border: 1px solid var(--line);
    border-radius: 50%;
    color: var(--ink);
    background: transparent;
}

.menu-toggle span,
.menu-toggle::before,
.menu-toggle::after {
    content: "";
    display: block;
    width: 17px;
    height: 1.5px;
    margin: 4px auto;
    background: currentColor;
    transition: transform .2s, opacity .2s;
}

.menu-open .menu-toggle span {
    opacity: 0;
}

.menu-open .menu-toggle::before {
    transform: translateY(5.5px) rotate(45deg);
}

.menu-open .menu-toggle::after {
    transform: translateY(-5.5px) rotate(-45deg);
}

.button {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    padding: 0 18px;
    border: 1px solid transparent;
    border-radius: 999px;
    font: inherit;
    font-size: 14px;
    font-weight: 750;
    line-height: 1;
    text-decoration: none;
    cursor: pointer;
    transition: transform .2s ease, background-color .2s ease, border-color .2s ease, box-shadow .2s ease;
}

.button:hover {
    transform: translateY(-2px);
}

.button:active {
    transform: translateY(0);
}

.button-primary {
    color: #fff;
    background: var(--teal);
    box-shadow: 0 10px 24px rgba(23, 107, 103, .22);
}

.button-primary:hover {
    background: var(--teal-dark);
    box-shadow: 0 12px 28px rgba(13, 77, 74, .28);
}

.button-light {
    color: var(--ink);
    border-color: var(--line);
    background: var(--white);
}

.button-light:hover {
    border-color: rgba(16, 44, 42, .32);
}

.button-dark {
    color: var(--ink);
    background: var(--lime);
}

.button svg {
    width: 16px;
    height: 16px;
}

.hero {
    position: relative;
    overflow: hidden;
    padding: 86px 0 104px;
}

.hero-atmosphere {
    position: absolute;
    inset: auto 8% -120px auto;
    width: min(520px, 48vw);
    height: min(520px, 48vw);
    border: 1px solid rgba(23, 107, 103, .16);
    border-radius: 50%;
    box-shadow:
        0 0 0 58px rgba(23, 107, 103, .03),
        0 0 0 118px rgba(203, 229, 109, .04);
    pointer-events: none;
    animation: orbitPulse 8s ease-in-out infinite;
}

@keyframes orbitPulse {
    0%, 100% { transform: scale(1); opacity: .9; }
    50% { transform: scale(1.04); opacity: 1; }
}

.hero-grid {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, .9fr) minmax(520px, 1.1fr);
    align-items: center;
    gap: clamp(50px, 7vw, 90px);
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    color: var(--teal);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .16em;
    text-transform: uppercase;
}

.eyebrow::before {
    content: "";
    width: 30px;
    height: 2px;
    background: var(--coral);
}

.hero h1,
.section-heading,
.download-copy h2,
.cap-copy h3,
.brand-copy strong {
    font-family: Outfit, "Noto Sans SC", "PingFang SC", sans-serif;
}

.hero h1 {
    max-width: 600px;
    margin: 0;
    font-size: clamp(48px, 6vw, 76px);
    line-height: 1.03;
    letter-spacing: -.07em;
}

.hero h1 em {
    position: relative;
    color: var(--teal);
    font-style: normal;
    white-space: nowrap;
}

.hero h1 em::after {
    content: "";
    position: absolute;
    left: 2%;
    right: 0;
    bottom: 3px;
    z-index: -1;
    height: 13px;
    border-radius: 999px;
    background: var(--lime);
    transform: rotate(-1.5deg);
}

.hero-lead {
    max-width: 560px;
    margin: 26px 0 0;
    color: var(--ink-soft);
    font-size: 17px;
    line-height: 1.9;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 32px;
}

.hero-note {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 18px;
    color: var(--ink-soft);
    font-size: 12px;
}

.hero-note::before {
    content: "";
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--teal);
    box-shadow: 0 0 0 5px var(--teal-pale);
}

.product-window {
    position: relative;
    min-height: 520px;
}

.dashboard {
    position: absolute;
    inset: 0;
    overflow: hidden;
    border: 1px solid rgba(16, 44, 42, .13);
    border-radius: 28px;
    background: var(--white);
    box-shadow: var(--shadow);
    transform: rotate(1.2deg);
    transition: transform .35s ease;
}

.product-window:hover .dashboard {
    transform: rotate(0deg);
}

.dashboard-top {
    height: 58px;
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 0 22px;
    border-bottom: 1px solid var(--line);
}

.dashboard-top i {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--paper-deep);
}

.dashboard-top i:first-child {
    background: var(--coral);
}

.dashboard-top span {
    margin-left: auto;
    color: var(--ink-soft);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .12em;
}

.live-dot {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-left: 12px;
    padding: 5px 9px;
    border-radius: 999px;
    color: var(--teal-dark);
    background: var(--teal-pale);
    font-size: 10px;
    font-style: normal;
    font-weight: 700;
}

.live-dot::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--teal);
    animation: blink 1.6s ease-in-out infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: .35; }
}

.dashboard-body {
    display: grid;
    grid-template-columns: 110px 1fr;
    min-height: 460px;
}

.dash-side {
    padding: 25px 15px;
    border-right: 1px solid var(--line);
    background: #f8f6ef;
}

.dash-brand {
    width: 35px;
    height: 35px;
    display: grid;
    place-items: center;
    margin-bottom: 30px;
    border-radius: 10px;
    color: #fff;
    background: var(--teal);
    font-size: 12px;
    font-weight: 850;
}

.dash-nav {
    height: 8px;
    margin: 0 0 18px;
    border-radius: 99px;
    background: var(--paper-deep);
}

.dash-nav.active {
    background: var(--teal-pale);
}

.dash-main {
    padding: 22px 24px 20px;
}

.dash-title {
    width: 42%;
    height: 13px;
    border-radius: 99px;
    background: var(--ink);
}

.dash-subtitle {
    width: 64%;
    height: 7px;
    margin-top: 11px;
    border-radius: 99px;
    background: var(--paper-deep);
}

.dash-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-top: 22px;
}

.dash-stat {
    padding: 14px;
    border-radius: 14px;
    background: var(--paper);
}

.dash-stat b {
    display: block;
    font-family: Outfit, sans-serif;
    font-size: 19px;
}

.dash-stat span {
    color: var(--ink-soft);
    font-size: 9px;
}

.dash-chart {
    position: relative;
    height: 156px;
    margin-top: 16px;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 16px;
    background-image:
        linear-gradient(var(--line) 1px, transparent 1px),
        linear-gradient(90deg, var(--line) 1px, transparent 1px);
    background-size: 100% 36px, 56px 100%;
}

.dash-chart svg {
    position: absolute;
    inset: 18px 14px 10px;
    width: calc(100% - 28px);
    height: calc(100% - 28px);
    color: var(--teal);
}

.chart-line {
    stroke-dasharray: 900;
    stroke-dashoffset: 900;
    animation: drawLine 1.8s ease forwards 0.4s;
}

.chart-line-soft {
    opacity: .35;
    animation-delay: .7s;
}

@keyframes drawLine {
    to { stroke-dashoffset: 0; }
}

.dash-draw {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-top: 16px;
    padding-top: 14px;
    border-top: 1px solid var(--line);
}

.dash-draw small {
    color: var(--ink-soft);
    font-size: 11px;
}

.number-row {
    display: flex;
    gap: 7px;
}

.number-row span {
    width: 29px;
    height: 29px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    color: #fff;
    background: var(--teal);
    font-size: 11px;
    font-weight: 800;
    animation: ballIn .45s ease both;
}

.number-row span:nth-child(1) { animation-delay: .85s; }
.number-row span:nth-child(2) { animation-delay: .95s; }
.number-row span:nth-child(3) { animation-delay: 1.05s; }
.number-row span:nth-child(4) { animation-delay: 1.15s; }
.number-row span:nth-child(5) { animation-delay: 1.25s; }
.number-row span:nth-child(6) {
    background: var(--coral);
    animation-delay: 1.35s;
}

@keyframes ballIn {
    from { transform: scale(.6); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.proof {
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    background: rgba(255, 253, 248, .56);
}

.proof-grid {
    display: grid;
    grid-template-columns: 1.3fr repeat(4, 1fr);
    align-items: center;
    min-height: 128px;
}

.proof-intro {
    padding-right: 40px;
}

.proof-intro strong {
    display: block;
    margin-bottom: 6px;
    font-size: 15px;
}

.proof-intro span {
    color: var(--ink-soft);
    font-size: 12px;
    line-height: 1.6;
}

.proof-item {
    min-height: 66px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0 24px;
    border-left: 1px solid var(--line);
    transition: background-color .2s ease;
}

.proof-item:hover {
    background: rgba(23, 107, 103, .04);
}

.proof-item b {
    font-family: Outfit, "Noto Sans SC", sans-serif;
    font-size: 25px;
    letter-spacing: -.04em;
}

.proof-item span {
    margin-top: 4px;
    color: var(--ink-soft);
    font-size: 11px;
}

.section {
    padding: 120px 0;
}

.section-kicker {
    margin-bottom: 16px;
    color: var(--coral);
    font-size: 12px;
    font-weight: 850;
    letter-spacing: .18em;
    text-transform: uppercase;
}

.section-heading {
    max-width: 740px;
    margin: 0;
    font-size: clamp(36px, 5vw, 58px);
    line-height: 1.08;
    letter-spacing: -.055em;
}

.section-heading span {
    color: var(--teal);
}

.section-lead {
    max-width: 620px;
    margin: 22px 0 0;
    color: var(--ink-soft);
    font-size: 16px;
    line-height: 1.85;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-top: 52px;
}

.feature-card {
    min-height: 260px;
    display: flex;
    flex-direction: column;
    padding: 26px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: rgba(255, 253, 248, .72);
    transition: transform .22s ease, background-color .22s ease, border-color .22s ease;
    transition-delay: calc(var(--d, 0) * 40ms);
}

.feature-card:hover {
    transform: translateY(-5px);
    background: var(--white);
    border-color: rgba(23, 107, 103, .28);
}

.feature-card:nth-child(2),
.feature-card:nth-child(7) {
    background: var(--teal);
    color: #fff;
}

.feature-card:nth-child(2) p,
.feature-card:nth-child(7) p {
    color: rgba(255, 255, 255, .72);
}

.feature-card:nth-child(4),
.feature-card:nth-child(5) {
    background: var(--lime-soft);
}

.feature-icon {
    width: 46px;
    height: 46px;
    display: grid;
    place-items: center;
    margin-bottom: auto;
    border-radius: 14px;
    color: var(--teal);
    background: var(--teal-pale);
}

.feature-card:nth-child(2) .feature-icon,
.feature-card:nth-child(7) .feature-icon {
    color: var(--ink);
    background: var(--lime);
}

.feature-icon svg {
    width: 22px;
    height: 22px;
}

.feature-card h3 {
    margin: 30px 0 9px;
    font-size: 18px;
    letter-spacing: -.025em;
}

.feature-card p {
    margin: 0;
    color: var(--ink-soft);
    font-size: 13px;
    line-height: 1.75;
}

.capabilities {
    overflow: hidden;
    color: #fff;
    background:
        radial-gradient(ellipse 50% 40% at 90% 10%, rgba(203, 229, 109, .12), transparent 55%),
        var(--ink);
}

.capabilities .section-kicker {
    color: var(--lime);
}

.capabilities .section-heading span {
    color: var(--lime);
}

.capabilities .section-lead {
    color: rgba(255, 255, 255, .62);
}

.capability-list {
    margin-top: 76px;
}

.capability {
    display: grid;
    grid-template-columns: 72px minmax(250px, .8fr) minmax(300px, 1.2fr);
    align-items: center;
    gap: clamp(30px, 6vw, 90px);
    padding: 62px 0;
    border-top: 1px solid rgba(255, 255, 255, .13);
}

.capability:last-child {
    border-bottom: 1px solid rgba(255, 255, 255, .13);
}

.cap-index {
    align-self: start;
    color: var(--lime);
    font-family: Outfit, sans-serif;
    font-size: 14px;
    font-weight: 850;
    letter-spacing: .1em;
}

.cap-copy h3 {
    margin: 0 0 18px;
    font-size: clamp(25px, 3vw, 38px);
    line-height: 1.15;
    letter-spacing: -.04em;
}

.cap-copy p {
    margin: 0;
    color: rgba(255, 255, 255, .62);
    font-size: 14px;
    line-height: 1.85;
}

.cap-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 22px;
}

.cap-tags span {
    padding: 7px 11px;
    border: 1px solid rgba(255, 255, 255, .16);
    border-radius: 999px;
    color: rgba(255, 255, 255, .72);
    font-size: 11px;
}

.cap-link {
    display: inline-flex;
    margin-top: 22px;
    color: var(--lime);
    text-decoration: none;
    font-size: 13px;
    font-weight: 700;
    transition: transform .2s ease;
}

.cap-link:hover {
    transform: translateX(4px);
}

.visual-panel {
    min-height: 274px;
    padding: 24px;
    border-radius: 22px;
    background: rgba(255, 255, 255, .07);
    transition: background-color .25s ease;
}

.capability:hover .visual-panel {
    background: rgba(255, 255, 255, .1);
}

.trend-bars {
    height: 180px;
    display: flex;
    align-items: end;
    gap: 11px;
    padding: 20px 0;
}

.trend-bars i {
    flex: 1;
    min-width: 8px;
    height: 8px;
    border-radius: 999px 999px 3px 3px;
    background: var(--lime);
    opacity: var(--o, .82);
    transform-origin: bottom;
}

.capability.visible .trend-bars i {
    animation: barGrow .7s ease forwards;
    height: var(--h);
}

.capability.visible .trend-bars i:nth-child(odd) { animation-delay: .05s; }
.capability.visible .trend-bars i:nth-child(even) { animation-delay: .12s; }

@keyframes barGrow {
    from { transform: scaleY(.15); opacity: .2; }
    to { transform: scaleY(1); opacity: var(--o, .82); }
}

.visual-caption {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 14px;
    border-top: 1px solid rgba(255, 255, 255, .12);
    color: rgba(255, 255, 255, .58);
    font-size: 11px;
}

.matrix {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 8px;
}

.matrix span {
    aspect-ratio: 1;
    display: grid;
    place-items: center;
    border-radius: 9px;
    color: rgba(255, 255, 255, .68);
    background: rgba(255, 255, 255, .07);
    font-size: 10px;
    transition: transform .2s ease;
}

.capability:hover .matrix span.hot,
.capability:hover .matrix span.warm {
    transform: scale(1.06);
}

.matrix span.hot {
    color: var(--ink);
    background: var(--lime);
}

.matrix span.warm {
    color: #fff;
    background: var(--coral);
}

.verify-stack {
    display: grid;
    gap: 10px;
}

.verify-row {
    display: grid;
    grid-template-columns: 72px 1fr auto;
    align-items: center;
    gap: 14px;
    padding: 14px;
    border-radius: 12px;
    background: rgba(255, 255, 255, .06);
}

.verify-row span,
.verify-row small {
    color: rgba(255, 255, 255, .58);
    font-size: 10px;
}

.verify-row b {
    font-size: 12px;
}

.verify-row i {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--lime);
}

.calc-result {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.calc-result div {
    padding: 23px 18px;
    border-radius: 14px;
    background: rgba(255, 255, 255, .06);
}

.calc-result b {
    display: block;
    color: var(--lime);
    font-family: Outfit, sans-serif;
    font-size: 26px;
}

.calc-result small {
    color: rgba(255, 255, 255, .56);
}

.trust {
    position: relative;
}

.trust-grid {
    display: grid;
    grid-template-columns: minmax(0, .85fr) minmax(520px, 1.15fr);
    gap: clamp(50px, 8vw, 110px);
    align-items: start;
}

.trust-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.trust-item {
    padding: 24px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(255, 253, 248, .64);
    transition: transform .2s ease, border-color .2s ease;
}

.trust-item:hover {
    transform: translateY(-3px);
    border-color: rgba(23, 107, 103, .28);
}

.trust-item strong {
    display: block;
    margin-bottom: 8px;
    font-size: 15px;
}

.trust-item p {
    margin: 0;
    color: var(--ink-soft);
    font-size: 12px;
    line-height: 1.7;
}

.trust-callout {
    margin-top: 18px;
    padding: 20px 22px;
    border-left: 3px solid var(--coral);
    color: var(--ink-soft);
    background: var(--white);
    font-size: 12px;
    line-height: 1.8;
}

.download {
    padding: 0 0 40px;
}

.download-panel {
    position: relative;
    overflow: hidden;
    display: grid;
    gap: 28px;
    padding: clamp(40px, 7vw, 70px);
    border-radius: 30px;
    color: #fff;
    background:
        radial-gradient(circle at 88% 18%, rgba(203, 229, 109, .18), transparent 34%),
        var(--teal);
}

.download-panel::after {
    content: "";
    position: absolute;
    right: -130px;
    bottom: -240px;
    width: 440px;
    height: 440px;
    border: 1px solid rgba(255, 255, 255, .16);
    border-radius: 50%;
    box-shadow: 0 0 0 55px rgba(255, 255, 255, .035), 0 0 0 110px rgba(255, 255, 255, .025);
}

.download-copy,
.download-cards,
.download-extra {
    position: relative;
    z-index: 1;
}

.download-kicker {
    color: var(--lime);
}

.download-copy h2 {
    max-width: 760px;
    margin: 0;
    font-size: clamp(35px, 5vw, 58px);
    line-height: 1.08;
    letter-spacing: -.06em;
}

.download-copy p {
    max-width: 620px;
    margin: 18px 0 0;
    color: rgba(255, 255, 255, .68);
    line-height: 1.8;
}

.download-cards {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.download-card {
    display: grid;
    grid-template-rows: auto 1fr auto;
    gap: 18px;
    min-height: 248px;
    padding: 24px;
    border: 1px solid rgba(255, 255, 255, .16);
    border-radius: 22px;
    background: rgba(255, 255, 255, .08);
    transition: background-color .2s ease, transform .2s ease, border-color .2s ease;
}

.download-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, .28);
    background: rgba(255, 255, 255, .12);
}

.download-card .button {
    width: 100%;
    min-height: 48px;
}

.download-card .version-line {
    margin-top: 10px;
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 6px 10px;
    color: rgba(255, 255, 255, .62);
    font-size: 12px;
}

.download-card .version-tag {
    padding: 2px 8px;
    border: 1px solid rgba(255, 255, 255, .22);
    border-radius: 999px;
    color: var(--lime);
    font-weight: 700;
    letter-spacing: .3px;
}

.download-card .version-tag b {
    font-weight: 800;
}

.download-card .version-notes {
    color: rgba(255, 255, 255, .52);
}

.download-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.download-card-icon {
    width: 52px;
    height: 52px;
    display: grid;
    place-items: center;
    border-radius: 16px;
    color: var(--ink);
    background: var(--lime);
}

.download-card-icon svg {
    width: 24px;
    height: 24px;
}

.download-meta {
    padding: 7px 10px;
    border: 1px solid rgba(255, 255, 255, .18);
    border-radius: 999px;
    color: rgba(255, 255, 255, .72);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
    white-space: nowrap;
}

.download-card h3 {
    margin: 0 0 10px;
    font-family: Outfit, "Noto Sans SC", sans-serif;
    font-size: 24px;
    letter-spacing: -.03em;
}

.download-card p {
    margin: 0;
    color: rgba(255, 255, 255, .68);
    font-size: 13px;
    line-height: 1.7;
}

.download-extra {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px 16px;
    padding-top: 2px;
    color: rgba(255, 255, 255, .62);
    font-size: 13px;
}

.download-extra a {
    color: var(--lime);
    text-decoration: none;
    font-weight: 700;
}

.download-extra a:hover {
    text-decoration: underline;
}

.download-extra .button-primary {
    color: #10241f;
    text-decoration: none;
}

.download-extra .button-primary:hover {
    text-decoration: none;
}

.download-extra > span {
    margin-left: auto;
}

.contact {
    padding-top: 80px;
}

.contact-grid {
    display: grid;
    grid-template-columns: minmax(0, .9fr) minmax(360px, 1.1fr);
    gap: clamp(40px, 7vw, 90px);
    align-items: start;
}

.contact-panel {
    display: grid;
    gap: 0;
    padding: 10px 28px 28px;
    border: 1px solid var(--line);
    border-radius: 24px;
    background: rgba(255, 253, 248, .78);
}

.contact-row {
    display: grid;
    gap: 8px;
    padding: 22px 0;
    border-bottom: 1px solid var(--line);
}

.contact-row strong {
    font-size: 13px;
}

.contact-row > span,
.contact-muted {
    color: var(--ink-soft);
    font-size: 13px;
    line-height: 1.7;
}

.contact-qq-list {
    display: grid;
    gap: 10px;
}

.contact-empty {
    display: grid;
    gap: 4px;
    padding: 14px 16px;
    border: 1px dashed var(--line);
    border-radius: 14px;
    background: rgba(23, 107, 103, .04);
}

.contact-empty strong {
    font-size: 13px;
}

.contact-empty span {
    color: var(--ink-soft);
    font-size: 12px;
    line-height: 1.6;
}

.contact-qq-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--line);
    border-radius: 14px;
    color: inherit;
    background: var(--white);
    font: inherit;
    text-align: left;
    cursor: pointer;
    transition: border-color .2s ease, transform .2s ease;
}

.contact-qq-item:hover {
    border-color: rgba(23, 107, 103, .4);
    transform: translateY(-1px);
}

.contact-qq-item span {
    color: var(--ink-soft);
    font-size: 13px;
}

.contact-qq-item strong {
    color: var(--teal);
    font-size: 14px;
}

.contact-panel .button {
    margin-top: 22px;
    justify-self: start;
}

.contact-panel .button:disabled {
    opacity: .55;
    cursor: not-allowed;
    transform: none;
}

.site-footer {
    padding: 70px 0 30px;
    border-top: 1px solid var(--line);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.3fr repeat(3, 1fr);
    gap: 60px;
}

.footer-about {
    max-width: 340px;
}

.footer-about p {
    margin: 20px 0 0;
    color: var(--ink-soft);
    font-size: 12px;
    line-height: 1.8;
}

.footer-col h3 {
    margin: 0 0 18px;
    font-size: 13px;
}

.footer-col a,
.footer-col span {
    display: block;
    width: fit-content;
    margin: 0 0 12px;
    color: var(--ink-soft);
    font-size: 12px;
    line-height: 1.55;
    text-decoration: none;
}

.footer-col a:hover {
    color: var(--teal);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
    margin-top: 58px;
    padding-top: 24px;
    border-top: 1px solid var(--line);
    color: var(--ink-soft);
    font-size: 11px;
}

.footer-bottom p {
    margin: 0;
}

.back-top {
    position: fixed;
    right: 22px;
    bottom: 28px;
    z-index: 40;
    width: 46px;
    height: 46px;
    display: grid;
    place-items: center;
    border: 1px solid var(--line);
    border-radius: 50%;
    color: var(--ink);
    background: rgba(255, 253, 248, .92);
    cursor: pointer;
    opacity: 0;
    pointer-events: none;
    transform: translateY(10px);
    transition: opacity .2s ease, transform .2s ease;
}

.back-top svg {
    width: 18px;
    height: 18px;
}

.back-top.is-visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.back-top:hover {
    border-color: rgba(23, 107, 103, .35);
    background: #fff;
}

.fade-up {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity .7s ease, transform .7s ease;
    transition-delay: calc(var(--d, 0) * 45ms);
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

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

    *,
    *::before,
    *::after {
        animation-duration: .01ms !important;
        transition-duration: .01ms !important;
    }

    .fade-up,
    .chart-line,
    .number-row span {
        opacity: 1;
        transform: none;
        stroke-dashoffset: 0;
    }
}

@media (max-width: 1020px) {
    .nav-links {
        gap: 18px;
    }

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

    .hero-copy {
        max-width: 720px;
    }

    .product-window {
        max-width: 720px;
        width: 100%;
        margin-inline: auto;
        min-height: 500px;
    }

    .proof-grid {
        grid-template-columns: repeat(4, 1fr);
        padding: 24px 0;
    }

    .proof-intro {
        grid-column: 1 / -1;
        padding: 0 0 22px;
    }

    .proof-item:first-of-type {
        border-left: 0;
        padding-left: 0;
    }

    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .trust-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1.4fr repeat(2, 1fr);
    }

    .footer-col:last-child {
        grid-column: 2;
    }
}

@media (max-width: 780px) {
    :root {
        --header-h: 66px;
    }

    .container {
        width: min(100% - 30px, var(--container));
    }

    .nav {
        min-height: var(--header-h);
    }

    .nav-links {
        position: fixed;
        inset: var(--header-h) 0 0;
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 26px 24px;
        background: var(--paper);
        opacity: 0;
        pointer-events: none;
        transform: translateY(-12px);
        transition: opacity .2s, transform .2s;
    }

    .menu-open .nav-links {
        opacity: 1;
        pointer-events: auto;
        transform: translateY(0);
        background: #fffdf8;
        box-shadow: 0 12px 28px rgba(16, 44, 42, .12);
        z-index: 1200;
    }

    .nav-links a {
        padding: 19px 0;
        border-bottom: 1px solid var(--line);
        font-size: 18px;
        font-weight: 800;
        color: var(--ink);
        letter-spacing: .02em;
        text-shadow: none;
        opacity: 1;
    }

    .nav-links a::after {
        display: none;
    }

    .nav-links a:hover,
    .nav-links a.is-active {
        color: var(--teal-dark);
    }

    .nav-login-mobile {
        display: flex;
        align-items: center;
        gap: 8px;
        color: var(--teal-dark) !important;
        font-weight: 800;
        font-size: 19px;
    }

    .brand img {
        width: 44px;
        height: 36px;
    }

    .nav-actions > .button {
        display: none;
    }

    .nav-actions > .brand-login {
        display: inline-flex !important;
        width: 44px;
        min-height: 44px;
        padding: 0;
    }

    .brand-login .nav-login-text {
        display: none;
    }

    .brand-login .nav-login-logo {
        width: 24px;
        height: 20px;
        margin-right: 0;
    }

    .menu-toggle {
        display: block;
        flex: 0 0 44px;
        width: 44px;
        height: 44px;
        border: 1.5px solid var(--teal-dark);
        color: var(--teal-dark);
        background: #fff;
        box-shadow: 0 3px 10px rgba(16, 44, 42, .14);
    }

    .hero {
        padding: 64px 0 78px;
    }

    .hero-grid {
        gap: 54px;
    }

    .hero h1 {
        font-size: clamp(44px, 14vw, 64px);
    }

    .product-window {
        min-height: 470px;
    }

    .dashboard {
        transform: none;
    }

    .dashboard-body {
        grid-template-columns: 80px 1fr;
    }

    .dash-main {
        padding: 20px 16px;
    }

    .dash-side {
        padding: 20px 12px;
    }

    .dash-draw {
        flex-direction: column;
        align-items: flex-start;
    }

    .proof-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .proof-item {
        padding: 18px 14px;
        border-left: 0;
        border-top: 1px solid var(--line);
    }

    .proof-item:nth-last-child(odd) {
        border-left: 1px solid var(--line);
    }

    .section {
        padding: 88px 0;
    }

    .feature-grid,
    .download-cards,
    .trust-list {
        grid-template-columns: 1fr;
    }

    .feature-card {
        min-height: 230px;
    }

    .capability {
        grid-template-columns: 42px 1fr;
        gap: 18px;
        padding: 46px 0;
    }

    .visual-panel {
        grid-column: 1 / -1;
        margin-top: 8px;
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px 24px;
    }

    .footer-about {
        grid-column: 1 / -1;
    }

    .footer-col:last-child {
        grid-column: auto;
    }

    .back-top {
        right: 14px;
        bottom: 18px;
    }
}

@media (max-width: 520px) {
    .brand-copy small {
        display: none;
    }

    .hero-lead {
        font-size: 15px;
    }

    .hero-actions .button {
        width: 100%;
    }

    .product-window {
        min-height: 430px;
    }

    .dashboard {
        border-radius: 20px;
    }

    .dashboard-top {
        height: 48px;
        padding: 0 14px;
    }

    .dashboard-top span {
        display: none;
    }

    .dashboard-body {
        grid-template-columns: 56px 1fr;
        min-height: 360px;
    }

    .dash-side {
        padding: 16px 9px;
    }

    .dash-brand {
        width: 30px;
        height: 30px;
        margin-bottom: 20px;
    }

    .dash-stat {
        padding: 10px 8px;
    }

    .dash-stat b {
        font-size: 14px;
    }

    .dash-chart {
        height: 120px;
    }

    .number-row {
        gap: 4px;
    }

    .number-row span {
        width: 24px;
        height: 24px;
        font-size: 9px;
    }

    .section-heading {
        font-size: 39px;
    }

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

    .cap-index {
        padding-bottom: 5px;
    }

    .visual-panel {
        grid-column: auto;
        padding: 18px;
    }

    .matrix {
        gap: 5px;
    }

    .matrix span {
        border-radius: 6px;
    }

    .download {
        padding-bottom: 70px;
    }

    .download-panel {
        padding: 38px 24px;
        border-radius: 22px;
    }

    .download-card .button,
    .contact-panel .button {
        width: 100%;
        justify-self: stretch;
    }

    .download-card {
        min-height: 0;
    }

    .download-card h3 {
        font-size: 22px;
    }

    .contact-panel {
        padding: 8px 20px 22px;
    }

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

    .footer-about,
    .footer-col:last-child {
        grid-column: auto;
    }

    .footer-bottom {
        align-items: flex-start;
        flex-direction: column;
    }
}

/* ========== 手机端底部快捷导航（与 lottery-stats 一致的四栏样式） ========== */
.home-bottom-nav {
    display: none;
}

@media (max-width: 900px) {
    body {
        padding-bottom: calc(76px + env(safe-area-inset-bottom));
    }

    .home-bottom-nav {
        position: fixed;
        left: 10px;
        right: 10px;
        bottom: calc(8px + env(safe-area-inset-bottom));
        z-index: 9999;
        min-height: 60px;
        padding: 7px;
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 4px;
        border: 1px solid #d2d9e2;
        border-radius: 8px;
        background: #ffffff;
        box-shadow: 0 3px 12px rgba(31, 48, 68, .16);
    }

    .home-bottom-nav a {
        min-width: 0;
        min-height: 46px;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 3px;
        border: 0;
        border-radius: 5px;
        background: transparent;
        color: #778496;
        text-decoration: none;
        font: 600 10px/1 system-ui, sans-serif;
    }

    .home-bottom-nav svg {
        width: 20px;
        height: 20px;
    }

    .home-bottom-nav a.is-active {
        color: #ffffff !important;
        background: var(--teal, #176b67);
        box-shadow: none;
    }

    .home-bottom-nav a.is-active svg {
        stroke: currentColor;
        color: #ffffff;
    }

    .back-top {
        bottom: calc(84px + env(safe-area-inset-bottom));
    }
}