:root {
    color-scheme: light;
    --bg: #f5f3ee;
    --paper: #fffdfa;
    --paper-soft: #f8f6f0;
    --ink: #17191f;
    --ink-soft: #5f6775;
    --line: #e3ddd3;
    --brand: #27344d;
    --brand-soft: #eef2f8;
    --accent: #c46d39;
    --shadow: 0 16px 40px rgba(19, 24, 34, 0.08);
    --radius-xl: 28px;
    --radius-lg: 20px;
    --radius-md: 14px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--ink);
    background:
        radial-gradient(circle at 12% 12%, rgba(196, 109, 57, 0.08), transparent 28%),
        radial-gradient(circle at 86% 18%, rgba(39, 52, 77, 0.08), transparent 30%),
        var(--bg);
    font-family: "Avenir Next", "PingFang SC", "Hiragino Sans GB", "Noto Sans CJK SC",
        "Microsoft YaHei", sans-serif;
    line-height: 1.65;
}

a {
    color: inherit;
}

.legal-shell {
    width: min(1160px, calc(100% - 32px));
    margin: 0 auto;
}

.legal-header {
    position: sticky;
    top: 0;
    z-index: 20;
    border-bottom: 1px solid rgba(110, 110, 115, 0.12);
    background: rgba(245, 243, 238, 0.9);
    backdrop-filter: blur(12px);
}

.legal-header-inner {
    min-height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
}

.legal-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.legal-brand-mark {
    width: 38px;
    height: 38px;
    border-radius: 12px;
    background: linear-gradient(180deg, #1b2436, #32415c);
    color: #fff;
    display: grid;
    place-items: center;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.3px;
    box-shadow: var(--shadow);
}

.legal-brand strong {
    font-size: 17px;
    letter-spacing: 0.12px;
}

.legal-nav {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}

.legal-nav a {
    text-decoration: none;
    font-size: 14px;
    color: var(--ink-soft);
}

.legal-nav a:hover {
    color: var(--ink);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: #fff;
    color: var(--ink);
    text-decoration: none;
    font-size: 13px;
    padding: 8px 14px;
    cursor: pointer;
}

.btn:hover {
    transform: translateY(-1px);
    border-color: #d1c6b9;
}

.btn-primary {
    background: var(--brand);
    border-color: var(--brand);
    color: #fff;
}

.btn-primary:hover {
    background: #1b2538;
    border-color: #1b2538;
}

.hero {
    padding: 42px 0 24px;
}

.hero-card,
.legal-card {
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
    background: var(--paper);
    box-shadow: var(--shadow);
    padding: 28px;
}

.hero-card h1,
.legal-card h1 {
    margin: 14px 0 10px;
    font-size: clamp(30px, 4.4vw, 50px);
    line-height: 1.08;
    letter-spacing: -0.5px;
}

.hero-card p,
.legal-card p,
.muted {
    margin: 0;
    color: var(--ink-soft);
    font-size: 15px;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    border-radius: 999px;
    background: var(--brand-soft);
    color: #45566f;
    padding: 6px 11px;
    font-size: 12px;
}

.meta-row,
.lang-switch,
.action-row {
    margin-top: 18px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.meta-pill,
.lang-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: #fff;
    color: var(--ink-soft);
    text-decoration: none;
    font-size: 12px;
    padding: 6px 10px;
}

.lang-link.active {
    color: #fff;
    border-color: var(--brand);
    background: var(--brand);
}

.lang-link.disabled {
    opacity: 0.56;
    cursor: default;
}

.notice {
    margin-top: 16px;
    border-radius: var(--radius-md);
    border: 1px dashed #d7cbbb;
    background: #fff8f1;
    padding: 12px 14px;
    font-size: 13px;
    color: #74573d;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.section {
    padding: 18px 0;
}

.section-head {
    display: flex;
    justify-content: space-between;
    align-items: end;
    gap: 12px;
    margin-bottom: 12px;
}

.section-head h2 {
    margin: 0;
    font-size: clamp(22px, 3vw, 34px);
    letter-spacing: -0.3px;
}

.section-note {
    margin: 0;
    color: var(--ink-soft);
    font-size: 14px;
}

.product-card,
.doc-card,
.support-card {
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: var(--paper-soft);
    box-shadow: var(--shadow);
    padding: 18px;
}

.product-card h3,
.doc-card h3,
.support-card h3 {
    margin: 0 0 6px;
    font-size: 20px;
}

.product-card p,
.doc-card p,
.support-card p {
    margin: 0;
    color: var(--ink-soft);
    font-size: 14px;
}

.status-chip {
    margin-top: 10px;
    display: inline-flex;
    border-radius: 999px;
    background: #edf3ff;
    color: #45608d;
    padding: 4px 8px;
    font-size: 11px;
}

.status-chip.pending {
    background: #fbf1df;
    color: #8c6532;
}

.doc-list {
    margin-top: 12px;
    display: grid;
    gap: 8px;
}

.doc-list a {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    text-decoration: none;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #fff;
    padding: 10px 12px;
    font-size: 14px;
}

.doc-list a:hover {
    border-color: #d2c8b8;
}

.doc-list strong {
    font-size: 14px;
}

.doc-list span {
    color: var(--ink-soft);
    font-size: 12px;
}

.doc-layout {
    padding: 28px 0 40px;
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 14px;
    align-items: start;
}

.legal-sidebar {
    position: sticky;
    top: 88px;
    display: grid;
    gap: 12px;
}

.sidebar-card {
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: var(--paper);
    box-shadow: var(--shadow);
    padding: 16px;
}

.sidebar-card h2 {
    margin: 0 0 8px;
    font-size: 18px;
}

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

.doc-nav {
    display: grid;
    gap: 8px;
    margin-top: 12px;
}

.doc-nav a {
    text-decoration: none;
    border-radius: 12px;
    border: 1px solid var(--line);
    background: #fff;
    padding: 10px 12px;
    font-size: 14px;
    color: var(--ink-soft);
}

.doc-nav a.active {
    background: var(--brand);
    border-color: var(--brand);
    color: #fff;
}

.doc-nav a:hover {
    border-color: #d2c8b8;
    color: var(--ink);
}

.legal-doc-body {
    min-height: 420px;
}

.legal-doc-body h1 {
    margin: 0 0 18px;
    font-size: clamp(30px, 4vw, 42px);
    line-height: 1.1;
    letter-spacing: -0.4px;
}

.legal-doc-body h2,
.legal-doc-body h3 {
    margin: 24px 0 10px;
    font-size: 20px;
    line-height: 1.3;
}

.legal-doc-body p {
    margin: 0 0 14px;
    color: #303641;
    font-size: 15px;
}

.legal-doc-body ul {
    margin: 0 0 14px;
    padding-left: 22px;
    color: #303641;
}

.legal-doc-body li {
    margin-bottom: 8px;
    font-size: 15px;
}

.legal-doc-body strong {
    color: var(--ink);
}

.inline-code {
    display: inline-flex;
    border: 1px solid #d8dbe3;
    border-radius: 8px;
    background: #f6f7fb;
    color: #47536c;
    padding: 2px 7px;
    font-size: 12px;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

.loading,
.error,
.redirect-shell {
    display: grid;
    place-items: center;
    min-height: 280px;
    text-align: center;
}

.loading p,
.error p,
.redirect-shell p {
    margin: 0;
    color: var(--ink-soft);
}

.footer {
    padding: 28px 0 46px;
    text-align: center;
    color: #76706a;
    font-size: 12px;
}

.toast {
    position: fixed;
    left: 50%;
    bottom: 18px;
    transform: translateX(-50%);
    background: #171c28;
    color: #fff;
    border-radius: 999px;
    font-size: 12px;
    padding: 8px 12px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    z-index: 60;
}

.toast.show {
    opacity: 1;
}

@media (max-width: 980px) {
    .legal-header-inner,
    .doc-layout,
    .grid-2,
    .grid-3 {
        grid-template-columns: 1fr;
    }

    .legal-header-inner {
        min-height: auto;
        padding: 10px 0;
        align-items: flex-start;
        flex-direction: column;
    }

    .legal-sidebar {
        position: static;
    }
}