:root {
    --bg: #f6f9ff;
    --bg-soft: #edf4ff;
    --panel: rgba(255, 255, 255, 0.88);
    --panel-strong: #ffffff;
    --line: rgba(132, 149, 184, 0.18);
    --line-strong: rgba(91, 139, 255, 0.28);
    --text: #142033;
    --muted: #67768f;
    --accent: #5b8bff;
    --accent-strong: #356dff;
    --cyan: #44b8ff;
    --success: #1dbb78;
    --danger: #ff7d68;
    --shadow: 0 24px 72px rgba(55, 84, 170, 0.14);
    --radius-xl: 40px;
    --radius-lg: 28px;
    --radius-md: 20px;
    --radius-sm: 14px;
    --container: 1320px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(91, 139, 255, 0.14), transparent 28%),
        radial-gradient(circle at 85% 12%, rgba(68, 184, 255, 0.1), transparent 24%),
        linear-gradient(180deg, #f8fbff 0%, #f2f7ff 46%, #edf4ff 100%);
    min-height: 100vh;
}

body.menu-open {
    overflow: hidden;
}

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

img {
    max-width: 100%;
    display: block;
}

button,
input,
textarea {
    font: inherit;
}

.container {
    width: min(var(--container), calc(100% - 64px));
    margin: 0 auto;
}

.site-shell {
    position: relative;
    overflow: clip;
}

.site-shell::before,
.site-shell::after {
    content: "";
    position: fixed;
    inset: auto;
    border-radius: 999px;
    pointer-events: none;
    filter: blur(80px);
    opacity: 0.35;
    z-index: -1;
}

.site-shell::before {
    top: 110px;
    left: -80px;
    width: 320px;
    height: 320px;
    background: rgba(91, 139, 255, 0.14);
}

.site-shell::after {
    right: -60px;
    bottom: 90px;
    width: 260px;
    height: 260px;
    background: rgba(68, 184, 255, 0.12);
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(248, 251, 255, 0.74);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid transparent;
    transition: border-color 180ms ease, background 180ms ease;
}

.site-header.scrolled {
    border-color: rgba(132, 149, 184, 0.14);
    background: rgba(248, 251, 255, 0.92);
}

.header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    min-height: 96px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 14px;
}

.brand-mark {
    width: 46px;
    height: 46px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--accent) 0%, #ffda8d 100%);
    color: white;
    display: grid;
    place-items: center;
    font-weight: 900;
    font-size: 22px;
    box-shadow: 0 18px 38px rgba(53, 109, 255, 0.25);
}

.brand-logo {
    width: 46px;
    height: 46px;
    border-radius: 16px;
    object-fit: cover;
    box-shadow: 0 18px 38px rgba(53, 109, 255, 0.25);
}

.brand-copy {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.brand-title {
    font-family: "Manrope", "Noto Sans SC", sans-serif;
    font-size: 20px;
    font-weight: 800;
    letter-spacing: 0.02em;
}

.brand-sub {
    font-size: 11px;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: #7c92b7;
}

.desktop-nav {
    display: flex;
    align-items: center;
    gap: 34px;
}

.nav-link {
    position: relative;
    color: var(--muted);
    font-size: 15px;
    transition: color 160ms ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text);
}

.nav-link.active::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -12px;
    height: 2px;
    border-radius: 99px;
    background: linear-gradient(90deg, var(--cyan), var(--accent-strong));
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.mobile-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.03);
    color: var(--text);
}

.button,
.button-ghost,
.button-subtle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 54px;
    padding: 0 26px;
    border-radius: 999px;
    font-weight: 700;
    transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease, background 160ms ease;
}

.button {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
    color: white;
    box-shadow: 0 18px 38px rgba(53, 109, 255, 0.24);
}

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

.button-ghost {
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.72);
    color: var(--text);
}

.button-subtle {
    min-height: 44px;
    padding: 0 18px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.64);
    color: var(--muted);
}

.mobile-panel {
    position: fixed;
    top: 0;
    right: 0;
    width: min(340px, 88vw);
    height: 100vh;
    padding: 28px;
    background: rgba(250, 252, 255, 0.98);
    border-left: 1px solid var(--line);
    box-shadow: var(--shadow);
    transform: translateX(100%);
    transition: transform 220ms ease;
    z-index: 70;
}

.mobile-panel.open {
    transform: translateX(0);
}

.mobile-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
}

.mobile-close {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    border: 1px solid var(--line);
    background: transparent;
    color: var(--text);
}

.mobile-nav {
    display: grid;
    gap: 10px;
}

.mobile-nav a {
    padding: 14px 16px;
    border-radius: 16px;
    background: rgba(237, 244, 255, 0.9);
    color: var(--text);
}

.overlay {
    position: fixed;
    inset: 0;
    background: rgba(40, 62, 112, 0.22);
    opacity: 0;
    visibility: hidden;
    transition: opacity 180ms ease, visibility 180ms ease;
    z-index: 60;
}

.overlay.show {
    opacity: 1;
    visibility: visible;
}

.hero,
.page-hero {
    padding: 112px 0 56px;
}

.hero-grid,
.split-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 40px;
    align-items: stretch;
}

.hero-grid {
    align-items: center;
    grid-template-columns: 0.96fr 1.04fr;
}

.hero-copy,
.hero-panel,
.surface,
.spotlight-card,
.timeline-entry,
.download-main,
.tool-card,
.contact-card,
.faq-strip,
.cta-panel,
.gallery-card,
.specs-panel,
.log-card {
    position: relative;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    backdrop-filter: blur(16px);
}

.hero-copy {
    background: transparent;
    border: 0;
    box-shadow: none;
    padding-left: 0;
}

.hero-copy,
.hero-panel,
.surface,
.download-main,
.cta-panel,
.specs-panel {
    padding: 42px;
}

.hero-panel {
    background: transparent;
    border: 0;
    box-shadow: none;
    padding: 8px 0 0;
    align-self: start;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 14px;
    border-radius: 999px;
    background: rgba(91, 139, 255, 0.08);
    border: 1px solid rgba(91, 139, 255, 0.16);
    color: var(--accent-strong);
    font-size: 13px;
    margin-bottom: 24px;
}

.hero h1,
.page-hero h1 {
    margin: 0;
    font-family: "Manrope", "Noto Sans SC", sans-serif;
    font-size: clamp(42px, 6vw, 78px);
    line-height: 1.02;
    letter-spacing: -0.03em;
}

.page-hero h1 {
    font-size: clamp(38px, 5vw, 60px);
}

.accent-text {
    color: var(--accent-strong);
}

.lead {
    margin: 24px 0 0;
    color: var(--muted);
    font-size: 18px;
    line-height: 1.95;
    max-width: 62ch;
}

.hero-copy .lead {
    max-width: 58ch;
}

.hero-actions,
.inline-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 36px;
}

.mini-stats,
.pill-row,
.stat-grid,
.feature-grid,
.cards-3,
.cards-2,
.download-grid,
.tools-grid,
.contact-grid,
.gallery-grid,
.timeline-list,
.log-grid {
    display: grid;
    gap: 24px;
}

.mini-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-top: 36px;
}

.mini-stat,
.stat-card,
.feature-card,
.detail-card,
.tool-card,
.contact-card,
.gallery-card,
.log-card {
    padding: 30px;
    background: rgba(255, 255, 255, 0.78);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
}

.mini-stat strong,
.stat-card strong {
    display: block;
    font-family: "Manrope", "Noto Sans SC", sans-serif;
    font-size: 38px;
    margin-bottom: 12px;
}

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

.hero-panel::before,
.download-main::before,
.cta-panel::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(180deg, rgba(91, 139, 255, 0.08), transparent 34%);
    pointer-events: none;
}

.dashboard-shell {
    position: relative;
    border-radius: 42px;
    padding: 18px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(244, 248, 255, 0.96));
    border: 1px solid rgba(132, 149, 184, 0.16);
    box-shadow: 0 30px 90px rgba(55, 84, 170, 0.18);
    max-width: 700px;
    margin-left: auto;
    transform-origin: center bottom;
    animation: dashboardFloat 6.5s ease-in-out infinite;
}

.dashboard-shell::before {
    content: "";
    position: absolute;
    inset: -18px 30px auto auto;
    width: 160px;
    height: 160px;
    border-radius: 999px;
    background: radial-gradient(circle, rgba(91, 139, 255, 0.18), transparent 70%);
    pointer-events: none;
}

@keyframes dashboardFloat {
    0% {
        transform: translate3d(0, 0, 0) rotate(-0.6deg);
    }
    25% {
        transform: translate3d(0, -10px, 0) rotate(0.25deg);
    }
    50% {
        transform: translate3d(0, -16px, 0) rotate(0.8deg);
    }
    75% {
        transform: translate3d(0, -8px, 0) rotate(0.15deg);
    }
    100% {
        transform: translate3d(0, 0, 0) rotate(-0.6deg);
    }
}

.dashboard-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 12px;
}

.dashboard-dots {
    display: flex;
    gap: 8px;
}

.dashboard-dots span {
    width: 10px;
    height: 10px;
    border-radius: 999px;
    background: #cad7ec;
}

.dashboard-dots span:nth-child(1) { background: #ff9b8a; }
.dashboard-dots span:nth-child(2) { background: #ffd36f; }
.dashboard-dots span:nth-child(3) { background: #62d7a4; }

.dashboard-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 34px;
    padding: 0 14px;
    border-radius: 999px;
    background: rgba(91, 139, 255, 0.08);
    color: var(--accent-strong);
    font-size: 13px;
    font-weight: 700;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 18px;
}

.dashboard-main,
.dashboard-side {
    display: grid;
    gap: 12px;
}

.dashboard-side {
    grid-template-columns: 1.05fr 1.35fr;
}

.dashboard-card {
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid rgba(132, 149, 184, 0.14);
    border-radius: 28px;
    padding: 16px;
    box-shadow: 0 16px 40px rgba(59, 88, 158, 0.08);
}

.dashboard-kpis {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
}

.dashboard-kpi {
    padding: 12px;
    border-radius: 18px;
    background: linear-gradient(180deg, #f7faff, #f1f6ff);
    border: 1px solid rgba(132, 149, 184, 0.12);
}

.dashboard-kpi strong {
    display: block;
    margin-bottom: 6px;
    font-family: "Manrope", "Noto Sans SC", sans-serif;
    font-size: 24px;
    color: var(--text);
}

.dashboard-kpi span {
    color: var(--muted);
    font-size: 13px;
}

.dashboard-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 10px;
}

.dashboard-heading h3 {
    margin: 0;
    font-size: 20px;
    color: var(--text);
}

.dashboard-heading p {
    margin: 6px 0 0;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.65;
}

.dashboard-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 30px;
    padding: 0 10px;
    border-radius: 999px;
    background: rgba(29, 187, 120, 0.12);
    color: var(--success);
    font-size: 13px;
    font-weight: 700;
}

.chart-area {
    position: relative;
    min-height: 146px;
    border-radius: 20px;
    background: linear-gradient(180deg, rgba(91, 139, 255, 0.12), rgba(91, 139, 255, 0.02)), #f7faff;
    overflow: hidden;
}

.chart-gridlines {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(132, 149, 184, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(132, 149, 184, 0.08) 1px, transparent 1px);
    background-size: 100% 25%, 20% 100%;
}

.chart-wave {
    position: absolute;
    inset: auto 0 0 0;
    height: 78%;
    background: linear-gradient(180deg, rgba(91, 139, 255, 0.28), rgba(91, 139, 255, 0.04));
    clip-path: polygon(0 78%, 10% 68%, 20% 70%, 30% 58%, 40% 62%, 50% 44%, 60% 50%, 70% 30%, 80% 40%, 90% 18%, 100% 26%, 100% 100%, 0 100%);
}

.chart-line {
    position: absolute;
    inset: 0;
}

.chart-line svg {
    width: 100%;
    height: 100%;
}

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

.dashboard-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 10px 12px;
    border-radius: 16px;
    background: #f7faff;
    border: 1px solid rgba(132, 149, 184, 0.12);
}

.dashboard-row strong {
    display: block;
    margin-bottom: 2px;
    font-size: 14px;
}

.dashboard-row span {
    color: var(--muted);
    font-size: 12px;
}

.dashboard-row b {
    color: var(--accent-strong);
    font-family: "Manrope", "Noto Sans SC", sans-serif;
    font-size: 16px;
}

.dashboard-progress {
    display: grid;
    gap: 12px;
}

.progress-item {
    display: grid;
    gap: 10px;
}

.progress-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    font-size: 13px;
}

.progress-top strong {
    font-size: 14px;
}

.progress-bar {
    height: 10px;
    border-radius: 999px;
    background: #ebf1fb;
    overflow: hidden;
}

.progress-bar span {
    display: block;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, var(--cyan), var(--accent-strong));
}

.dashboard-note {
    padding: 14px 16px;
    border-radius: 18px;
    background: linear-gradient(135deg, rgba(91, 139, 255, 0.1), rgba(68, 184, 255, 0.08));
    border: 1px solid rgba(91, 139, 255, 0.14);
}

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

.dashboard-note p {
    margin: 0;
    color: var(--muted);
    line-height: 1.7;
    font-size: 13px;
}

.dashboard-side .dashboard-card:nth-child(2) {
    grid-row: span 2;
}

.dashboard-side .dashboard-note {
    display: none;
}

.status-stack {
    display: grid;
    gap: 20px;
}

.status-item {
    padding: 24px 24px;
    border-radius: 24px;
    background: rgba(244, 248, 255, 0.92);
    border: 1px solid var(--line);
}

.status-item strong {
    display: block;
    margin-bottom: 12px;
    font-size: 20px;
}

.status-item span {
    display: block;
    line-height: 1.9;
    color: var(--muted);
}

.status-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 14px;
}

.tag,
.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 32px;
    padding: 0 12px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 700;
}

.tag {
    background: rgba(235, 241, 252, 0.92);
    color: var(--muted);
}

.tag.new {
    background: rgba(91, 139, 255, 0.12);
    color: var(--accent-strong);
}

.tag.fix {
    background: rgba(255, 125, 104, 0.12);
    color: #e4644e;
}

.tag.improve {
    background: rgba(29, 187, 120, 0.12);
    color: var(--success);
}

main section,
.section {
    padding: 56px 0;
}

main section:nth-of-type(even),
.section:nth-of-type(even) {
    position: relative;
}

main section:nth-of-type(even)::before,
.section:nth-of-type(even)::before {
    content: "";
    position: absolute;
    inset: 22px 0;
    background: rgba(255, 255, 255, 0.38);
    border-top: 1px solid rgba(132, 149, 184, 0.08);
    border-bottom: 1px solid rgba(132, 149, 184, 0.08);
    pointer-events: none;
    z-index: -1;
}

.section-head {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 30px;
}

.section-head h2,
.section-title {
    margin: 0;
    font-family: "Manrope", "Noto Sans SC", sans-serif;
    font-size: clamp(30px, 3.8vw, 48px);
    line-height: 1.08;
}

.section-head p,
.section-sub {
    margin: 12px 0 0;
    color: var(--muted);
    max-width: 760px;
    line-height: 1.95;
    font-size: 17px;
}

.feature-grid,
.cards-3,
.log-grid,
.tools-grid,
.contact-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.feature-card i,
.detail-card i,
.tool-card i,
.contact-card i,
.gallery-card i {
    color: var(--accent);
}

.icon-box {
    width: 62px;
    height: 62px;
    border-radius: 18px;
    display: grid;
    place-items: center;
    font-size: 24px;
    background: linear-gradient(135deg, rgba(91, 139, 255, 0.14), rgba(68, 184, 255, 0.12));
    margin-bottom: 20px;
}

.feature-card h3,
.detail-card h3,
.tool-card h3,
.contact-card h3,
.gallery-card h3,
.log-card h3 {
    margin: 0 0 16px;
    font-size: 24px;
}

.feature-card p,
.detail-card p,
.tool-card p,
.contact-card p,
.gallery-card p,
.log-card p,
.tool-card li,
.timeline-entry li,
.spec-row span:last-child {
    color: var(--muted);
    line-height: 1.95;
    font-size: 16px;
}

.split-grid .surface {
    height: 100%;
}

.check-list,
.stack-list,
.tool-list,
.version-list {
    display: grid;
    gap: 16px;
    margin: 22px 0 0;
    padding: 0;
    list-style: none;
}

.check-list li,
.stack-list li,
.tool-list li,
.version-list li {
    display: flex;
    align-items: start;
    gap: 12px;
}

.check-list i,
.stack-list i {
    color: var(--success);
    margin-top: 5px;
}

.stats-band {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px;
}

.stat-card {
    padding: 34px;
}

.gallery-frame {
    border-radius: 24px;
    overflow: hidden;
    border: 1px solid var(--line);
    background: #f1f6ff;
    margin-bottom: 22px;
}

.gallery-frame img {
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 100%;
    margin: 0 auto;
    display: block;
}

.specs-panel {
    display: grid;
    gap: 14px;
}

.spec-row {
    display: grid;
    grid-template-columns: 160px 1fr;
    gap: 18px;
    padding: 20px 0;
    border-bottom: 1px solid rgba(172, 194, 222, 0.1);
}

.spec-row:last-child {
    border-bottom: 0;
}

.spec-row strong {
    color: var(--text);
}

.download-grid {
    align-items: start;
}

.version-head,
.contact-top,
.timeline-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

.version-title {
    margin: 0;
    font-family: "Manrope", "Noto Sans SC", sans-serif;
    font-size: 34px;
}

.meta-row,
.meta-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 22px;
}

.meta-chip {
    padding: 12px 16px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.04);
    color: var(--muted);
    border: 1px solid var(--line);
    font-size: 14px;
}

.checksum {
    margin-top: 28px;
    padding: 24px;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--line);
}

.checksum-row {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.code-pill {
    flex: 1;
    min-width: 220px;
    padding: 12px 14px;
    border-radius: 14px;
    background: #f7faff;
    border: 1px solid rgba(132, 149, 184, 0.14);
    color: #314156;
    font-family: Consolas, monospace;
}

.tool-card {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 16px;
}

.tool-card .button-subtle {
    align-self: start;
}

.contact-card .button-subtle,
.contact-card .button {
    align-self: start;
}

.social-row {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.social-badge {
    width: 46px;
    height: 46px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.03);
    color: var(--muted);
}

.faq-strip {
    padding: 32px 34px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 22px;
}

.cta-panel {
    margin-top: 24px;
    text-align: center;
}

.cta-panel p {
    max-width: 760px;
    margin: 16px auto 0;
    color: var(--muted);
    line-height: 1.95;
    font-size: 17px;
}

.filters {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin: 12px 0 28px;
}

.filter-btn {
    min-height: 48px;
    padding: 0 18px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.03);
    color: var(--muted);
    cursor: pointer;
}

.filter-btn.active {
    color: #08111c;
    background: linear-gradient(135deg, var(--accent), #ffda8d);
    border-color: transparent;
}

.timeline-list {
    grid-template-columns: 1fr;
}

.timeline-entry {
    padding: 34px;
}

.timeline-entry[hidden] {
    display: none;
}

.timeline-head h3 {
    margin: 0;
    font-size: 32px;
}

.timeline-entry ul {
    margin: 18px 0 0;
    padding-left: 22px;
}

.timeline-entry li {
    margin: 12px 0;
}

.site-footer {
    padding: 60px 0 72px;
}

.footer-card {
    display: flex;
    justify-content: space-between;
    gap: 22px;
    align-items: center;
    padding: 28px 30px;
    border-radius: 28px;
    background: rgba(255, 255, 255, 0.78);
    border: 1px solid var(--line);
}

.footer-card p {
    margin: 0;
    color: var(--muted);
}

.footer-license {
    text-align: center;
    margin-top: 20px;
    color: var(--muted);
    font-size: 14px;
}

.footer-license a {
    color: var(--muted);
    transition: color 160ms ease;
}

.footer-license a:hover {
    color: var(--accent-strong);
}

.license-divider {
    margin: 0 12px;
    opacity: 0.5;
}

.fade-up {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 420ms ease, transform 420ms ease;
}

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

@media (max-width: 1080px) {
    .desktop-nav,
    .header-actions .button {
        display: none;
    }

    .mobile-toggle {
        display: inline-grid;
        place-items: center;
    }

    .hero-grid,
    .split-grid,
    .feature-grid,
    .cards-3,
    .cards-2,
    .download-grid,
    .tools-grid,
    .contact-grid,
    .gallery-grid,
    .stats-band,
    .log-grid {
        grid-template-columns: 1fr;
    }

    .hero,
    .page-hero {
        padding: 88px 0 44px;
    }

    .dashboard-grid,
    .dashboard-kpis,
    .dashboard-side {
        grid-template-columns: 1fr;
    }

    .dashboard-side .dashboard-card:nth-child(2),
    .dashboard-side .dashboard-note {
        grid-column: auto;
    }

    .mini-stats {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 720px) {
    .container {
        width: min(100% - 24px, var(--container));
    }

    .header-row {
        min-height: 80px;
    }

    .hero,
    .page-hero {
        padding-top: 56px;
    }

    .hero-copy {
        padding-right: 0;
    }

    .hero-copy,
    .hero-panel,
    .surface,
    .download-main,
    .cta-panel,
    .specs-panel,
    .timeline-entry {
        padding: 24px;
    }

    .spec-row {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .faq-strip,
    .footer-card {
        flex-direction: column;
        align-items: start;
    }

    .dashboard-shell {
        padding: 18px;
        border-radius: 30px;
    }
}

/* 竖版工具列表 */
.tools-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    padding: 32px;
    background:
        linear-gradient(135deg, rgba(91, 139, 255, 0.04), rgba(68, 184, 255, 0.02)),
        rgba(255, 255, 255, 0.5);
    border: 1px solid rgba(91, 139, 255, 0.12);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(12px);
    position: relative;
    overflow: hidden;
}

.tools-list::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(91, 139, 255, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(91, 139, 255, 0.04) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
}

.tool-item {
    display: flex;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid rgba(91, 139, 255, 0.1);
    border-radius: 20px;
    overflow: hidden;
    transition: transform 240ms ease, box-shadow 240ms ease, border-color 240ms ease;
    position: relative;
    backdrop-filter: blur(8px);
}

.tool-item::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(135deg, rgba(91, 139, 255, 0.06), transparent 50%);
    opacity: 0;
    transition: opacity 240ms ease;
    pointer-events: none;
    z-index: 1;
}

.tool-item:hover {
    transform: translateY(-4px);
    border-color: rgba(91, 139, 255, 0.25);
    box-shadow:
        0 8px 32px rgba(55, 84, 170, 0.1),
        0 0 0 1px rgba(91, 139, 255, 0.08),
        0 0 40px rgba(91, 139, 255, 0.06);
}

.tool-item:hover::before {
    opacity: 1;
}

.tool-thumb {
    width: 100%;
    aspect-ratio: 16 / 9;
    background: linear-gradient(135deg, #0f172a, #1e293b);
    display: grid;
    place-items: center;
    overflow: hidden;
    border-bottom: 1px solid rgba(91, 139, 255, 0.1);
    position: relative;
}

.tool-thumb::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(15, 23, 42, 0.4));
    pointer-events: none;
}

.tool-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: relative;
    z-index: 1;
}

.tool-thumb--contain img {
    width: auto;
    height: auto;
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
}

.tool-thumb i {
    font-size: 40px;
    color: var(--accent);
    opacity: 0.5;
}

.tool-body {
    padding: 20px 22px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex: 1;
    position: relative;
    z-index: 2;
}

.tool-body h3 {
    margin: 0;
    font-size: 17px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

.tool-body h3 .tool-icon {
    width: 30px;
    height: 30px;
    border-radius: 9px;
    display: grid;
    place-items: center;
    font-size: 14px;
    color: #fff;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(91, 139, 255, 0.3);
}

.tool-body p {
    margin: 0;
    font-size: 14px;
    color: var(--muted);
    line-height: 1.7;
    flex: 1;
}

.tool-actions {
    display: flex;
    gap: 10px;
    flex-shrink: 0;
}

.tool-actions .button-subtle {
    min-height: 40px;
    padding: 0 16px;
    font-size: 14px;
    white-space: nowrap;
    border: 1px solid rgba(91, 139, 255, 0.15);
    background: rgba(255, 255, 255, 0.6);
    color: var(--accent-strong);
    font-weight: 600;
    transition: all 180ms ease;
}

.tool-actions .button-subtle:hover {
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
    color: #fff;
    border-color: transparent;
    box-shadow: 0 6px 20px rgba(91, 139, 255, 0.25);
}

/* 图片预览弹窗 */
.preview-modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 200ms ease, visibility 200ms ease;
}

.preview-modal.active {
    opacity: 1;
    visibility: visible;
}

.preview-overlay {
    position: absolute;
    inset: 0;
    background: rgba(20, 32, 51, 0.85);
    backdrop-filter: blur(8px);
}

.preview-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    animation: previewZoom 200ms ease;
}

@keyframes previewZoom {
    from {
        transform: scale(0.9);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.preview-content img {
    max-width: 100%;
    max-height: 90vh;
    border-radius: var(--radius-md);
    box-shadow: 0 32px 80px rgba(0, 0, 0, 0.4);
}

.preview-close {
    position: absolute;
    top: -16px;
    right: -16px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.9);
    color: var(--text);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 160ms ease, background 160ms ease;
}

.preview-close:hover {
    transform: scale(1.1);
    background: #fff;
}

@media (max-width: 640px) {
    .tools-list {
        grid-template-columns: 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    .dashboard-shell {
        animation: none;
    }
}