:root {
    --bg: #f3faf6;
    --surface: rgba(255, 255, 255, 0.9);
    --surface-strong: #ffffff;
    --text: #1f2a24;
    --muted: #557165;
    --line: rgba(31, 42, 36, 0.12);
    --line-strong: rgba(31, 42, 36, 0.2);
    --primary: #0f7b66;
    --primary-deep: #0b5a4b;
    --accent: #d25c2f;
    --accent-soft: rgba(210, 92, 47, 0.12);
    --shadow: 0 18px 40px rgba(15, 48, 39, 0.08);
    --radius: 8px;
    --content-width: 1160px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Avenir Next", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;
    line-height: 1.7;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(15, 123, 102, 0.1), transparent 24%),
        radial-gradient(circle at 85% 8%, rgba(210, 92, 47, 0.12), transparent 20%),
        linear-gradient(180deg, #f7fcfa 0%, var(--bg) 100%);
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    opacity: 0.4;
    background-image:
        linear-gradient(rgba(15, 123, 102, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(15, 123, 102, 0.06) 1px, transparent 1px);
    background-size: 28px 28px;
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.3), transparent 80%);
}

a {
    color: var(--primary-deep);
    text-decoration-thickness: 1px;
    text-underline-offset: 0.18em;
}

a:hover {
    color: var(--accent);
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 10;
    backdrop-filter: blur(12px);
    background: rgba(243, 250, 246, 0.82);
    border-bottom: 1px solid var(--line);
}

.topbar-inner,
.hero-inner,
.page,
.site-footer {
    width: min(calc(100% - 32px), var(--content-width));
    margin: 0 auto;
}

.topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 14px 0;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text);
}

.brand-mark {
    width: 38px;
    height: 38px;
    border-radius: var(--radius);
    background:
        linear-gradient(135deg, rgba(15, 123, 102, 0.95), rgba(210, 92, 47, 0.92));
    display: grid;
    place-items: center;
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    box-shadow: var(--shadow);
}

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

.brand-title {
    font-family: "Iowan Old Style", "Palatino Linotype", Georgia, serif;
    font-size: 1.06rem;
    font-weight: 700;
    letter-spacing: 0;
}

.brand-subtitle {
    color: var(--muted);
    font-size: 0.82rem;
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.page-links {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.7);
}

.page-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 38px;
    padding: 0 14px;
    border-radius: 6px;
    color: var(--muted);
    text-decoration: none;
    font-size: 0.94rem;
    font-weight: 600;
}

.page-link.is-active {
    background: var(--text);
    color: #fff;
}

.lang-control {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 0 12px;
    min-height: 46px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.7);
    color: var(--muted);
    font-weight: 600;
}

.lang-control select {
    border: 0;
    background: transparent;
    color: var(--text);
    font: inherit;
    outline: none;
    min-width: 110px;
}

.hero {
    padding: 48px 0 28px;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 34px;
    padding: 0 12px;
    border-radius: 999px;
    border: 1px solid rgba(15, 123, 102, 0.18);
    background: rgba(15, 123, 102, 0.08);
    color: var(--primary-deep);
    font-size: 0.84rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.6fr) minmax(280px, 0.9fr);
    gap: 28px;
    margin-top: 18px;
    align-items: end;
}

.hero h1 {
    margin: 0;
    font-family: "Iowan Old Style", "Palatino Linotype", Georgia, serif;
    font-size: 3.1rem;
    line-height: 1.08;
    letter-spacing: 0;
}

.hero p {
    margin: 0;
    color: var(--muted);
    font-size: 1.06rem;
}

.hero-copy {
    display: grid;
    gap: 14px;
}

.hero-meta {
    display: grid;
    gap: 10px;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.74));
    box-shadow: var(--shadow);
}

.meta-row {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    font-size: 0.95rem;
}

.meta-label {
    color: var(--muted);
}

.meta-value {
    font-weight: 700;
    text-align: right;
}

.summary {
    padding: 0 0 22px;
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.summary-item {
    min-height: 100%;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow);
}

.summary-item strong {
    display: block;
    margin-bottom: 8px;
    font-size: 1rem;
}

.summary-item p {
    margin: 0;
    color: var(--muted);
    font-size: 0.95rem;
}

.page {
    display: flex;
    flex-direction: column;
    gap: 26px;
    padding: 12px 0 48px;
}

.legal-doc {
    min-width: 0;
}

.doc-section {
    padding: 26px 0;
    border-top: 1px solid var(--line);
}

.doc-section:first-child {
    border-top: 0;
    padding-top: 0;
}

.doc-section h2 {
    margin: 0 0 12px;
    font-family: "Iowan Old Style", "Palatino Linotype", Georgia, serif;
    font-size: 1.6rem;
    line-height: 1.2;
}

.doc-section p,
.doc-section li {
    color: var(--text);
    font-size: 1rem;
}

.doc-section p:last-child,
.doc-section ul:last-child {
    margin-bottom: 0;
}

.doc-section ul {
    margin: 12px 0 0;
    padding-left: 22px;
}

.doc-section li + li {
    margin-top: 8px;
}

.lead {
    color: var(--muted);
}

.inline-note {
    margin-top: 14px;
    padding: 14px 16px;
    border-left: 3px solid var(--accent);
    background: var(--accent-soft);
}

.site-footer {
    padding: 0 0 34px;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding-top: 24px;
    border-top: 1px solid var(--line);
    color: var(--muted);
    font-size: 0.92rem;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

@media (max-width: 980px) {
    .hero-grid,
    .summary-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 760px) {
    .topbar-inner,
    .topbar-actions {
        align-items: stretch;
    }

    .topbar-inner,
    .topbar-actions,
    .brand {
        flex-direction: column;
    }

    .page-links,
    .lang-control {
        width: 100%;
        justify-content: center;
    }

    .hero {
        padding-top: 28px;
    }

    .hero h1 {
        font-size: 2.28rem;
    }

    .meta-row,
    .footer-inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .meta-value {
        text-align: left;
    }
}