/* YinSuo 官网首页 — 还原 Ardot 742333039707637 / 54:1 */

@font-face {
    font-family: "Geist Mono";
    src: url("/assets/fonts/GeistMono-Regular.woff2") format("woff2");
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: "Geist Mono";
    src: url("/assets/fonts/GeistMono-Medium.woff2") format("woff2");
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: "Geist Mono";
    src: url("/assets/fonts/GeistMono-SemiBold.woff2") format("woff2");
    font-weight: 600;
    font-style: normal;
    font-display: swap;
}

:root {
    --site-primary: #165DFF;
    --site-primary-hover: #0E42D2;
    --site-primary-soft: #EEF4FF;
    --site-ink: #0B1220;
    --site-ink-2: #344054;
    --site-ink-3: #475467;
    --site-muted: #667085;
    --site-muted-2: #98A2B3;
    --site-border: #E3E8ED;
    --site-border-strong: #D0D5DD;
    --site-bg-soft: #FAFAFB;
    --site-green: #12B76A;
    --site-green-soft: #ECFDF3;
    --site-green-ink: #027A48;
    --site-green-mint: #6EE7B7;
    --site-code-bg: #0B1220;
    --site-code-head: #1A2436;
    --site-code-head-right: #0F2A1E;
    --site-code-line: #3C4A61;
    --site-code-text: #E4E7EC;
    --site-code-muted: #98A2B3;
    --site-code-comment: #5B6B84;
    --site-code-keyword: #C792EA;
    --site-font: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --site-mono: "Geist Mono", "SFMono-Regular", "Cascadia Mono", Consolas, "Liberation Mono", monospace;
    --site-gutter: 120px;
    --site-section-y: 96px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body.site-body {
    margin: 0;
    background: #FFFFFF;
    color: var(--site-ink);
    font-family: var(--site-font);
    font-size: 14px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

.site-body h1,
.site-body h2,
.site-body h3,
.site-body p {
    margin: 0;
}

:where(.site-body) a {
    color: inherit;
    text-decoration: none;
}

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

.site-body a:focus-visible {
    outline: 2px solid var(--site-primary);
    outline-offset: 3px;
    border-radius: 4px;
}

.site-page {
    width: 100%;
    max-width: 1440px;
    margin: 0 auto;
    overflow-x: clip;
}

/* Buttons */
.site-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 1px solid transparent;
    font-family: var(--site-font);
    font-weight: 600;
    text-align: center;
    white-space: nowrap;
    cursor: pointer;
    transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.site-btn-sm {
    height: 38px;
    padding: 9px 16px;
    border-radius: 6px;
    font-size: 14px;
    line-height: 20px;
}

.site-btn-lg {
    height: 55px;
    padding: 16px 26px;
    border-radius: 8px;
    font-size: 16px;
    line-height: 23px;
}

.site-btn-primary {
    background: var(--site-primary);
    color: #FFFFFF;
}

.site-btn-primary:hover {
    background: var(--site-primary-hover);
}

.site-btn-secondary {
    background: #FFFFFF;
    border-color: var(--site-border-strong);
    color: var(--site-ink-2);
    font-weight: 500;
}

.site-btn-secondary:hover {
    border-color: var(--site-primary);
    color: var(--site-primary);
}

.site-btn-cta-secondary {
    background: #FFFFFF;
    border-color: #B2CCFF;
    color: var(--site-primary);
    font-weight: 500;
}

.site-btn-cta-secondary:hover {
    border-color: var(--site-primary);
    background: var(--site-primary-soft);
}

/* Nav */
.site-header {
    background: #FFFFFF;
    border-bottom: 1px solid var(--site-border);
}

.site-nav {
    height: 64px;
    padding: 0 var(--site-gutter);
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
    align-items: center;
    gap: 24px;
}

.site-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    justify-self: start;
    min-width: 0;
}

.site-brand-mark {
    width: 28px;
    height: 28px;
    object-fit: contain;
}

.site-brand-name {
    font-size: 17px;
    font-weight: 600;
    line-height: 25px;
    color: #101828;
}

.site-version {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 2px 6px;
    border-radius: 4px;
    background: var(--site-primary-soft);
    color: var(--site-primary);
    font-size: 11px;
    font-weight: 500;
    line-height: 16px;
}

.site-nav-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;
    min-width: 0;
}

.site-nav-link {
    padding: 6px 0;
    font-size: 14px;
    line-height: 20px;
    color: var(--site-ink-2);
    white-space: nowrap;
    transition: color 0.15s ease;
}

.site-nav-link:hover {
    color: var(--site-primary);
}

.site-nav-right {
    display: flex;
    align-items: center;
    justify-self: end;
    gap: 20px;
}

.site-nav-login {
    font-size: 14px;
    line-height: 20px;
    color: var(--site-ink-2);
    transition: color 0.15s ease;
}

.site-nav-login:hover {
    color: var(--site-primary);
}

/* Mobile menu toggle: hidden on desktop, shown at <=900px */
.site-menu-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    padding: 0;
    border: 1px solid var(--site-border-strong);
    border-radius: 8px;
    background: #FFFFFF;
    color: var(--site-ink-2);
    cursor: pointer;
    transition: border-color 0.15s ease, color 0.15s ease;
}

.site-menu-toggle:hover {
    border-color: var(--site-primary);
    color: var(--site-primary);
}

.site-menu-toggle:focus-visible {
    outline: 2px solid var(--site-primary);
    outline-offset: 2px;
}

.site-menu-bars {
    position: relative;
    display: block;
    width: 16px;
    height: 12px;
}

.site-menu-bars span {
    position: absolute;
    left: 0;
    width: 16px;
    height: 1.5px;
    border-radius: 2px;
    background: currentColor;
    transition: top 0.18s ease, transform 0.18s ease, opacity 0.18s ease;
}

.site-menu-bars span:nth-child(1) {
    top: 0;
}

.site-menu-bars span:nth-child(2) {
    top: 5.25px;
}

.site-menu-bars span:nth-child(3) {
    top: 10.5px;
}

.site-nav.is-menu-open .site-menu-bars span:nth-child(1) {
    top: 5.25px;
    transform: rotate(45deg);
}

.site-nav.is-menu-open .site-menu-bars span:nth-child(2) {
    opacity: 0;
}

.site-nav.is-menu-open .site-menu-bars span:nth-child(3) {
    top: 5.25px;
    transform: rotate(-45deg);
}

.site-menu-actions {
    display: none;
}

/* Hero */
.site-hero {
    padding: var(--site-section-y) var(--site-gutter) 72px;
    background: #FFFFFF;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    text-align: center;
}

.site-eyebrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    max-width: 100%;
    padding: 7px 16px 7px 14px;
    border-radius: 999px;
    background: var(--site-primary-soft);
    color: var(--site-primary);
    font-size: 13px;
    font-weight: 500;
    line-height: 19px;
    text-align: center;
}

.site-eyebrow-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--site-primary);
}

.site-hero-title {
    width: 100%;
    max-width: 1000px;
    font-size: clamp(34px, 5.4vw, 64px);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.01em;
    color: var(--site-ink);
    text-wrap: balance;
}

.site-hero-sub {
    width: 100%;
    max-width: 720px;
    font-size: clamp(16px, 1.5vw, 19px);
    font-weight: 400;
    line-height: 1.7;
    color: var(--site-ink-3);
    white-space: pre-line;
    text-wrap: pretty;
}

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

.site-trust {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 28px;
}

.site-trust-item {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 13px;
    line-height: 19px;
    color: var(--site-ink-3);
    white-space: nowrap;
}

.site-trust-item img {
    width: 16px;
    height: 16px;
}

/* Product visual */
.site-visual {
    padding: 0 var(--site-gutter) 80px;
    background: #FFFFFF;
    display: flex;
    justify-content: center;
}

.site-code-card {
    width: 100%;
    max-width: 1200px;
    border: 1px solid var(--site-border);
    border-radius: 16px;
    background: #FFFFFF;
    overflow: hidden;
    box-shadow: 0 20px 48px -24px rgba(11, 18, 32, 0.28);
}

.site-code-toolbar {
    height: 52px;
    padding: 0 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    background: var(--site-bg-soft);
}

.site-code-toolbar-left {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}

.site-dot {
    width: 10px;
    height: 10px;
    flex: none;
    border-radius: 5px;
    background: #E4E7EC;
}

.site-code-path {
    margin-left: 0;
    font-family: var(--site-mono);
    font-size: 13px;
    font-weight: 500;
    line-height: 17px;
    color: var(--site-ink-2);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.site-code-toolbar-right {
    flex: none;
    display: flex;
    align-items: center;
}

.site-build-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px 5px 10px;
    border-radius: 999px;
    background: var(--site-green-soft);
    color: var(--site-green-ink);
    font-size: 12px;
    font-weight: 500;
    line-height: 17px;
    white-space: nowrap;
}

.site-build-dot {
    width: 6px;
    height: 6px;
    flex: none;
    border-radius: 3px;
    background: var(--site-green);
}

.site-code-body {
    display: flex;
    align-items: stretch;
    background: var(--site-code-bg);
}

.site-code-col {
    flex: 1 1 0;
    min-width: 0;
    padding: 20px 24px 24px;
    background: var(--site-code-bg);
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scrollbar-width: thin;
    scrollbar-color: var(--site-code-line) transparent;
}

.site-code-col-head {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 4px 12px 4px 10px;
    border-radius: 6px;
    background: var(--site-code-head);
    color: var(--site-muted-2);
    font-size: 12px;
    font-weight: 500;
    line-height: 17px;
}

.site-code-col-right .site-code-col-head {
    background: var(--site-code-head-right);
    color: var(--site-green-mint);
}

.site-code-row {
    display: flex;
    align-items: center;
    width: max-content;
    min-width: 100%;
    min-height: 20px;
    font-family: var(--site-mono);
    font-size: 12px;
    line-height: 20px;
    white-space: pre;
}

.site-code-ln {
    width: 28px;
    flex: none;
    color: var(--site-code-line);
    font-weight: 400;
}

.site-code-kw {
    color: var(--site-code-keyword);
    font-weight: 500;
}

.site-code-plain {
    color: var(--site-code-text);
    font-weight: 400;
}

.site-code-muted {
    color: var(--site-code-muted);
    font-weight: 500;
}

.site-code-comment {
    color: var(--site-code-comment);
    font-weight: 500;
}

/* Stats */
.site-stats {
    background: #FFFFFF;
    border-top: 1px solid var(--site-border);
    border-bottom: 1px solid var(--site-border);
}

.site-stats-row {
    padding: 40px var(--site-gutter);
    display: flex;
    align-items: stretch;
}

.site-stat {
    flex: 1 1 0;
    min-width: 0;
    padding: 0 28px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.site-stat:first-child {
    padding-left: 0;
}

.site-stat:last-child {
    padding-right: 0;
}

.site-stat-sep {
    width: 1px;
    flex: none;
    background: var(--site-border);
}

.site-stat-value {
    font-size: 40px;
    font-weight: 600;
    line-height: 58px;
    color: var(--site-ink);
}

.site-stat-label {
    font-size: 15px;
    font-weight: 500;
    line-height: 22px;
    color: var(--site-ink-2);
}

.site-stat-note {
    font-size: 13px;
    line-height: 19px;
    color: var(--site-muted-2);
}

/* Common section */
.site-section {
    padding: var(--site-section-y) var(--site-gutter);
    background: #FFFFFF;
    display: flex;
    flex-direction: column;
    gap: 48px;
}

.site-section-head {
    max-width: 760px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.site-section-title {
    font-size: clamp(30px, 3.5vw, 40px);
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: -0.01em;
    color: var(--site-ink);
    text-wrap: balance;
}

.site-section-sub {
    max-width: 620px;
    font-size: 17px;
    font-weight: 400;
    line-height: 1.6;
    color: var(--site-muted);
}

/* Capabilities */
.site-feature-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px;
}

.site-feature-card {
    min-width: 0;
    padding: 28px 28px 30px;
    border: 1px solid var(--site-border);
    border-radius: 12px;
    background: #FFFFFF;
    display: flex;
    flex-direction: column;
    gap: 16px;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.site-feature-card:hover {
    border-color: #C7D7FE;
    box-shadow: 0 12px 28px -18px rgba(11, 18, 32, 0.22);
}

.site-feature-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    flex: none;
}

.site-feature-title {
    font-size: 19px;
    font-weight: 600;
    line-height: 28px;
    color: var(--site-ink);
}

.site-feature-desc {
    font-size: 14px;
    font-weight: 400;
    line-height: 26px;
    color: var(--site-muted);
}

/* Workflow */
.site-workflow {
    padding: var(--site-section-y) var(--site-gutter);
    background: var(--site-bg-soft);
    display: flex;
    flex-direction: column;
    gap: 48px;
}

.site-steps {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
}

.site-step {
    min-width: 0;
    padding: 24px 24px 26px;
    border-radius: 12px;
    background: #FFFFFF;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.site-step-num {
    font-family: var(--site-mono);
    font-size: 13px;
    font-weight: 500;
    line-height: 17px;
    color: var(--site-primary);
}

.site-step-title {
    font-size: 18px;
    font-weight: 600;
    line-height: 26px;
    color: var(--site-ink);
}

.site-step-desc {
    font-size: 14px;
    font-weight: 400;
    line-height: 25px;
    color: var(--site-muted);
}

/* Architectures */
.site-arch-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.site-arch-card {
    min-width: 0;
    padding: 26px 26px 28px;
    border-radius: 12px;
    background: var(--site-bg-soft);
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.site-arch-name {
    font-size: 20px;
    font-weight: 600;
    line-height: 29px;
    color: var(--site-ink);
}

.site-arch-desc {
    font-size: 14px;
    font-weight: 400;
    line-height: 25px;
    color: var(--site-muted);
}

/* CTA */
.site-cta {
    padding: var(--site-section-y) var(--site-gutter);
    background: var(--site-primary-soft);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    text-align: center;
}

.site-cta-title {
    width: 100%;
    max-width: 800px;
    font-size: clamp(30px, 4vw, 44px);
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: -0.01em;
    color: var(--site-ink);
    text-wrap: balance;
}

.site-cta-sub {
    width: 100%;
    max-width: 640px;
    font-size: 18px;
    font-weight: 400;
    line-height: 26px;
    color: var(--site-ink-3);
}

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

.site-cta-actions .site-btn {
    padding-left: 28px;
    padding-right: 28px;
}

/* Footer */
.site-footer {
    background: #FFFFFF;
    border-top: 1px solid var(--site-border);
}

.site-footer-content {
    padding: 64px var(--site-gutter) 56px;
    display: grid;
    grid-template-columns: minmax(260px, 1.6fr) repeat(var(--footer-cols, 3), minmax(0, 1fr));
    gap: 48px;
    align-items: start;
}

.site-footer-content[data-footer-cols="1"] {
    --footer-cols: 1;
}

.site-footer-content[data-footer-cols="2"] {
    --footer-cols: 2;
}

.site-footer-content[data-footer-cols="3"] {
    --footer-cols: 3;
}

.site-footer-content[data-footer-cols="4"] {
    --footer-cols: 4;
}

.site-footer-content[data-footer-cols="5"] {
    --footer-cols: 5;
}

.site-footer-content[data-footer-cols="6"] {
    --footer-cols: 6;
}

.site-footer-brand {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.site-footer-brand-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

.site-footer-mark {
    width: 26px;
    height: 26px;
    object-fit: contain;
}

.site-footer-name {
    font-size: 16px;
    font-weight: 600;
    line-height: 23px;
    color: var(--site-ink);
}

.site-footer-desc {
    font-size: 13px;
    font-weight: 400;
    line-height: 22px;
    color: var(--site-muted-2);
}

.site-footer-col {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.site-footer-col-title {
    font-size: 13px;
    font-weight: 500;
    line-height: 19px;
    color: var(--site-ink);
}

.site-footer-link {
    font-size: 13px;
    font-weight: 400;
    line-height: 19px;
    color: var(--site-muted);
    transition: color 0.15s ease;
}

.site-footer-link:hover {
    color: var(--site-primary);
}

.site-footer-bottom {
    padding: 22px var(--site-gutter) 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.site-footer-copy {
    font-size: 12px;
    font-weight: 400;
    line-height: 17px;
    color: var(--site-muted-2);
}

.site-footer-meta {
    display: flex;
    align-items: center;
    gap: 20px;
}

.site-footer-meta a,
.site-footer-icp {
    font-size: 12px;
    font-weight: 400;
    line-height: 17px;
    color: var(--site-muted-2);
}

.site-footer-meta a:hover {
    color: var(--site-primary);
}

.site-footer-legal {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.site-footer-legal a {
    color: var(--site-muted-2);
    font-size: 12px;
    font-weight: 400;
    line-height: 17px;
}

.site-footer-legal a:hover {
    color: var(--site-primary);
}

/* Responsive */
@media (max-width: 1180px) {
    :root {
        --site-gutter: 40px;
        --site-section-y: 80px;
    }

    .site-visual {
        padding-bottom: 72px;
    }

    .site-stats-row {
        padding: 36px var(--site-gutter);
    }

    .site-stat {
        padding: 0 20px;
    }

    .site-feature-grid,
    .site-steps {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 900px) {
    /* 导航：品牌 + 操作 + 折叠菜单按钮；菜单以下拉面板展开 */
    .site-nav {
        position: relative;
        height: auto;
        min-height: 64px;
        padding: 12px var(--site-gutter);
        display: flex;
        flex-wrap: nowrap;
    }

    .site-brand {
        margin-right: auto;
    }

    .site-nav-right {
        margin-left: 0;
        gap: 12px;
    }

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

    .site-menu-toggle {
        display: inline-flex;
        flex: none;
    }

    .site-nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        display: flex;
        flex-direction: column;
        align-items: stretch;
        justify-content: flex-start;
        gap: 0;
        padding: 4px var(--site-gutter) 8px;
        border-bottom: 1px solid var(--site-border);
        background: #FFFFFF;
        box-shadow: 0 18px 32px -24px rgba(11, 18, 32, 0.3);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-6px);
        transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s ease;
        z-index: 40;
    }

    .site-nav.is-menu-open .site-nav-links {
        opacity: 1;
        visibility: visible;
        transform: none;
    }

    .site-nav-link {
        padding: 13px 0;
        border-bottom: 1px solid var(--site-border);
        font-size: 15px;
    }

    .site-nav-link:last-of-type {
        border-bottom: 0;
    }

    .site-menu-actions {
        display: flex;
        flex-direction: column;
        margin-top: 4px;
        border-top: 1px solid var(--site-border);
    }

    .site-menu-action {
        padding: 13px 0;
        color: var(--site-primary);
        font-size: 15px;
        font-weight: 500;
    }

    .site-footer-content {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 40px 32px;
    }

    .site-footer-brand {
        grid-column: 1 / -1;
    }

    .site-code-body {
        flex-direction: column;
    }

    .site-code-col {
        flex: 0 0 auto;
    }

    .site-code-col + .site-code-col {
        border-top: 1px solid #1F2937;
    }
}

@media (max-width: 640px) {
    :root {
        --site-gutter: 20px;
        --site-section-y: 40px;
    }

    .site-nav {
        min-height: 56px;
        padding: 8px var(--site-gutter);
    }

    .site-brand-name {
        font-size: 16px;
    }

    .site-nav-right {
        gap: 8px;
    }

    .site-menu-toggle,
    .site-nav-right .site-btn-sm {
        height: 40px;
    }

    .site-menu-toggle {
        width: 40px;
    }

    .site-nav-links {
        padding: 4px var(--site-gutter) 8px;
    }

    .site-nav-link {
        padding: 12px 0;
    }

    .site-menu-action {
        padding: 12px 0;
    }

    /* 首屏：收紧纵向节奏，双按钮并排可点 */
    .site-hero {
        padding: 32px var(--site-gutter) 40px;
        gap: 16px;
    }

    .site-eyebrow {
        padding: 6px 12px;
        border-radius: 10px;
        font-size: 12px;
        line-height: 1.6;
        word-break: keep-all;
        text-wrap: balance;
    }

    .site-eyebrow-dot {
        display: none;
    }

    .site-hero-title {
        font-size: clamp(28px, 8.4vw, 34px);
        line-height: 1.25;
    }

    .site-hero-sub {
        font-size: 15px;
        line-height: 1.65;
    }

    .site-hero-actions,
    .site-cta-actions {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        width: 100%;
        gap: 8px;
    }

    .site-hero-actions .site-btn,
    .site-cta-actions .site-btn {
        width: 100%;
        height: 48px;
        padding: 0 12px;
        font-size: 15px;
    }

    .site-trust {
        gap: 8px 12px;
    }

    .site-trust-item {
        font-size: 12px;
    }

    .site-trust-item img {
        width: 14px;
        height: 14px;
    }

    .site-visual {
        padding: 0 var(--site-gutter) 40px;
    }

    .site-code-card {
        border-radius: 12px;
    }

    .site-code-toolbar {
        height: 48px;
        padding: 0 12px;
    }

    .site-code-path {
        max-width: 160px;
    }

    .site-code-col {
        padding: 16px;
    }

    .site-code-row {
        font-size: 10.5px;
    }

    .site-code-ln {
        width: 24px;
    }

    /* 指标：数值左、文案右的紧凑列表，替代三块纵向大字 */
    .site-stats-row {
        flex-direction: column;
        gap: 0;
        padding: 8px var(--site-gutter);
    }

    .site-stat {
        display: grid;
        grid-template-columns: minmax(52px, auto) minmax(0, 1fr);
        grid-template-rows: auto auto;
        align-items: center;
        column-gap: 16px;
        row-gap: 4px;
        padding: 16px 0;
        border-bottom: 1px solid var(--site-border);
    }

    .site-stat:last-child {
        border-bottom: 0;
    }

    .site-stat-sep {
        display: none;
    }

    .site-stat-value {
        grid-row: 1 / span 2;
        font-size: 28px;
        line-height: 1;
    }

    .site-stat-label {
        align-self: end;
        font-size: 14px;
        line-height: 1.4;
    }

    .site-stat-note {
        align-self: start;
        font-size: 12px;
        line-height: 1.5;
    }

    /* 区块：标题与卡片整体收紧 */
    .site-section,
    .site-workflow {
        gap: 24px;
    }

    .site-section-head {
        gap: 8px;
    }

    .site-section-title {
        font-size: clamp(24px, 6.8vw, 30px);
        line-height: 1.3;
    }

    .site-section-sub {
        font-size: 14px;
        line-height: 1.65;
    }

    .site-feature-grid,
    .site-steps {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 16px;
    }

    .site-feature-card,
    .site-step {
        padding: 16px;
        gap: 12px;
        border-radius: 10px;
    }

    .site-feature-icon {
        width: 36px;
        height: 36px;
        border-radius: 8px;
    }

    .site-feature-title,
    .site-step-title {
        font-size: 15px;
        line-height: 1.4;
    }

    .site-feature-desc,
    .site-step-desc {
        font-size: 13px;
        line-height: 1.65;
    }

    .site-step-num {
        font-size: 11px;
    }

    .site-arch-row {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 16px;
    }

    .site-arch-card {
        padding: 16px;
        gap: 8px;
        border-radius: 10px;
    }

    .site-arch-name {
        font-size: 15px;
        line-height: 1.4;
    }

    .site-arch-desc {
        font-size: 13px;
        line-height: 1.65;
    }

    /* 两列网格出现奇数个条目时，最后一张通栏，避免半行落空 */
    .site-feature-grid > :last-child:nth-child(odd),
    .site-steps > :last-child:nth-child(odd),
    .site-arch-row > :last-child:nth-child(odd) {
        grid-column: 1 / -1;
    }

    .site-cta {
        gap: 16px;
    }

    .site-cta-title {
        font-size: clamp(24px, 6.8vw, 30px);
        line-height: 1.3;
    }

    .site-cta-sub {
        font-size: 14px;
        line-height: 1.65;
    }

    .site-footer-content {
        padding: 40px var(--site-gutter) 32px;
        gap: 32px 24px;
    }

    .site-footer-brand {
        gap: 12px;
    }

    .site-footer-desc {
        font-size: 12px;
    }

    .site-footer-col {
        gap: 12px;
    }

    .site-footer-bottom {
        padding: 16px var(--site-gutter) 24px;
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .site-footer-meta {
        flex-wrap: wrap;
        gap: 12px;
    }
}

@media (max-width: 380px) {
    .site-nav {
        gap: 8px;
    }

    .site-nav-right {
        gap: 8px;
    }

    .site-brand {
        gap: 8px;
    }

    .site-brand-name {
        font-size: 15px;
    }

    .site-btn-sm {
        padding: 9px 10px;
        font-size: 13px;
    }

    .site-hero-actions .site-btn,
    .site-cta-actions .site-btn {
        font-size: 14px;
        padding: 0 8px;
    }
}


/* 法律条款页（用户协议 / 隐私说明 / 免责协议） */
.legal-main {
    padding: 56px var(--site-gutter) 80px;
    background: #FFFFFF;
}

.legal-shell {
    display: flex;
    max-width: 860px;
    margin: 0 auto;
    flex-direction: column;
    gap: 24px;
}

.legal-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.legal-tab {
    padding: 8px 14px;
    border: 1px solid var(--site-border);
    border-radius: 999px;
    background: #FFFFFF;
    color: var(--site-ink-3);
    font-size: 13px;
    line-height: 1.4;
}

.legal-tab:hover {
    border-color: var(--site-primary);
    color: var(--site-primary);
}

.legal-tab.is-active {
    border-color: var(--site-primary);
    background: var(--site-primary-soft);
    color: var(--site-primary);
    font-weight: 500;
}

.legal-doc {
    padding: 40px 44px;
    border: 1px solid var(--site-border);
    border-radius: 16px;
    background: #FFFFFF;
    box-shadow: 0 8px 24px rgba(16, 24, 40, 0.05);
}

.legal-kicker {
    margin-bottom: 12px;
    color: var(--site-primary);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.12em;
}

.legal-title {
    color: #101828;
    font-size: 30px;
    line-height: 1.3;
}

.legal-summary {
    margin-top: 12px;
    color: var(--site-ink-3);
    font-size: 15px;
    line-height: 1.7;
}

.legal-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--site-border);
    color: var(--site-muted);
    font-size: 13px;
}

.legal-body {
    margin-top: 32px;
    color: var(--site-ink-2);
    font-size: 14.5px;
    line-height: 1.9;
}

.legal-body h2 {
    margin: 32px 0 12px;
    color: #101828;
    font-size: 18px;
    line-height: 1.45;
}

.legal-body h2:first-child {
    margin-top: 0;
}

.legal-body p {
    margin: 0 0 14px;
}

.legal-body ul {
    margin: 0 0 16px;
    padding-left: 20px;
}

.legal-body li {
    margin-bottom: 8px;
}

.legal-doc-foot {
    margin-top: 36px;
    padding-top: 20px;
    border-top: 1px solid var(--site-border);
    color: var(--site-muted);
    font-size: 13px;
    line-height: 1.8;
}

/*
 * 运营者信息块（PIPL 17 条 / 电商法 15 条）。
 * 放在正文之后、页脚之前：它是正文的一部分，不是装饰。
 * 样式刻意低调（与正文同层级、只用一条分隔线），避免看起来像广告位。
 */
.legal-operator {
    margin: 32px 0 0;
    padding: 20px 22px;
    border: 1px solid var(--site-border);
    border-radius: 12px;
    background: var(--site-surface, transparent);
}

.legal-operator h2 {
    margin: 0 0 12px;
    font-size: 16px;
}

.legal-operator-list {
    display: grid;
    gap: 8px;
    margin: 0;
    padding: 0;
    list-style: none;
    font-size: 13px;
    line-height: 1.7;
}

.legal-operator-list li {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.legal-operator-key {
    min-width: 84px;
    color: var(--site-muted);
}

.legal-operator-value {
    color: var(--site-text, inherit);
    word-break: break-word;
}

.legal-operator-note {
    margin: 12px 0 0;
    color: var(--site-muted);
    font-size: 12px;
    line-height: 1.7;
}

.legal-doc-foot p {
    margin: 0 0 8px;
}

.legal-doc-foot-links {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.legal-doc-foot-links a {
    color: var(--site-primary);
}

@media (max-width: 900px) {
    .legal-main {
        padding: 40px 24px 56px;
    }

    .legal-doc {
        padding: 28px 24px;
    }

    .legal-title {
        font-size: 24px;
    }
}

@media (max-width: 640px) {
    .legal-main {
        padding: 28px 16px 40px;
    }

    .legal-doc {
        padding: 22px 18px;
        border-radius: 12px;
    }

    .legal-tabs {
        gap: 6px;
    }

    .legal-tab {
        padding: 6px 10px;
        font-size: 12px;
    }

    .legal-body {
        font-size: 14px;
    }
}