:root {
    --bg: #101318;
    --bg-alt: #161b22;
    --card: #1c232c;
    --line: rgba(255, 255, 255, 0.08);
    --text: #f4f7f5;
    --muted: #9aa3ad;
    --green: #1bd17a;
    --green-dark: #12a85f;
    --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
}

body {
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    min-height: 100vh;
}

a {
    color: var(--green);
    text-decoration: none;
}

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

.container {
    width: min(1120px, calc(100% - 32px));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(16, 19, 24, 0.92);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 72px;
    gap: 16px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text);
    font-weight: 700;
    font-size: 20px;
}

.brand img {
    width: 40px;
    height: 40px;
    border-radius: 10px;
}

.site-nav {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.site-nav a {
    color: var(--muted);
    padding: 8px 12px;
    border-radius: 999px;
    font-size: 14px;
}

.site-nav a.active,
.site-nav a:hover {
    color: var(--text);
    background: rgba(27, 209, 122, 0.12);
}

.nav-toggle {
    display: none;
    border: 1px solid var(--line);
    background: transparent;
    color: var(--text);
    border-radius: 8px;
    padding: 8px 12px;
}

.hero,
.section,
.page-banner {
    padding: 72px 0;
}

.hero {
    background:
        radial-gradient(circle at 20% 20%, rgba(27, 209, 122, 0.16), transparent 28%),
        linear-gradient(180deg, #0d1116 0%, #151b22 100%);
}

.hero-grid,
.feature-split,
.contact-grid,
.two-shots,
.footer-grid {
    display: grid;
    gap: 36px;
}

.hero-grid,
.feature-split,
.contact-grid,
.two-shots {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
}

.feature-split.reverse {
    grid-template-columns: 0.95fr 1.05fr;
}

.eyebrow {
    color: var(--green);
    letter-spacing: 0.16em;
    font-weight: 700;
    margin: 0 0 10px;
    font-size: 13px;
}

h1,
h2,
h3 {
    line-height: 1.25;
    margin: 0 0 16px;
}

h1 {
    font-size: 52px;
}

h2 {
    font-size: 32px;
}

.lead,
.section-head p,
.hero-copy p {
    color: var(--muted);
    font-size: 16px;
}

.hero-tags,
.pay-badges,
.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 22px;
}

.hero-tags span,
.pay-badges span {
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 6px 14px;
    color: var(--text);
    background: rgba(255, 255, 255, 0.04);
}

.pay-badges span {
    color: var(--green);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 140px;
    height: 44px;
    border-radius: 999px;
    font-weight: 700;
    padding: 0 20px;
}

.btn-primary {
    background: var(--green);
    color: #062416;
}

.btn-ghost {
    border: 1px solid var(--green);
    color: var(--green);
}

.hero-visual,
.phone-shot,
.shot-center img,
.two-shots img {
    border-radius: 24px;
    box-shadow: var(--shadow);
    overflow: hidden;
    background: var(--card);
}

.hero-visual img,
.phone-shot img {
    width: 100%;
    max-height: 720px;
    object-fit: cover;
    object-position: top;
}

.section.alt {
    background: var(--bg-alt);
}

.section-head {
    max-width: 760px;
    margin-bottom: 36px;
}

.feature-points,
.role-cards {
    display: grid;
    gap: 16px;
}

.point,
.role-cards article,
.about-card,
.contact-card,
.cta-box {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 20px;
    padding: 24px;
}

.shot-center {
    max-width: 420px;
    margin: 0 auto;
}

.two-shots article {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 24px;
    padding: 24px;
}

.two-shots img {
    margin-top: 18px;
    max-height: 560px;
    object-fit: cover;
    object-position: top;
}

.pay-note {
    text-align: center;
    color: var(--muted);
    margin-top: 24px;
}

.cta {
    padding-top: 0;
}

.cta-box {
    text-align: center;
    background:
        linear-gradient(180deg, rgba(27, 209, 122, 0.12), rgba(28, 35, 44, 0.9));
}

.page-banner {
    background: linear-gradient(180deg, rgba(27, 209, 122, 0.12), transparent);
    padding-bottom: 24px;
}

.theme-legal {
    background:
        radial-gradient(ellipse 80% 50% at 8% -10%, rgba(27, 209, 122, 0.18), transparent 52%),
        radial-gradient(ellipse 60% 40% at 100% 0%, rgba(18, 168, 95, 0.08), transparent 46%),
        linear-gradient(180deg, #eef6f1 0%, #f5f7f6 42%, #f3f5f4 100%);
    color: #1a2220;
}

.theme-legal .site-header {
    background: rgba(255, 255, 255, 0.9);
    border-bottom-color: rgba(16, 19, 24, 0.08);
}

.theme-legal .brand {
    color: #101318;
}

.theme-legal .site-nav a {
    color: #5c6560;
}

.theme-legal .site-nav a.active,
.theme-legal .site-nav a:hover {
    color: #0b3d28;
    background: rgba(27, 209, 122, 0.14);
}

.theme-legal .nav-toggle {
    color: #101318;
    border-color: rgba(16, 19, 24, 0.12);
}

.theme-legal .page-banner {
    background: transparent;
}

.theme-legal .page-banner h1 {
    color: #101318;
}

.theme-legal .page-banner p:not(.eyebrow) {
    color: #5c6560;
}

.theme-legal .rich-text {
    background: #fff;
    color: #2c3338;
    border-color: rgba(16, 19, 24, 0.08);
    box-shadow: 0 18px 48px rgba(16, 19, 24, 0.08);
}

.doc-wrap,
.about-wrap {
    max-width: 860px;
}

.rich-text {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 20px;
    padding: 32px;
    color: #d5dbe2;
}

.rich-text p {
    margin: 0 0 16px;
}

.info-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.info-list li {
    display: flex;
    gap: 16px;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--line);
    color: var(--muted);
}

.info-list strong {
    color: var(--text);
    text-align: right;
}

.about-wrap {
    display: grid;
    gap: 20px;
    max-width: 860px;
}

.site-footer {
    border-top: 1px solid var(--line);
    padding: 48px 0 24px;
    background: #0c1014;
}

.footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 24px;
    margin-bottom: 28px;
}

.site-footer h4 {
    margin: 0 0 12px;
}

.site-footer a,
.site-footer p {
    display: block;
    color: var(--muted);
    margin: 0 0 8px;
}

.footer-brand {
    margin-bottom: 12px;
}

.copyright {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    border-top: 1px solid var(--line);
    padding-top: 16px;
    color: var(--muted);
    font-size: 13px;
}

@media (max-width: 900px) {
    h1 {
        font-size: 36px;
    }

    .nav-toggle {
        display: inline-flex;
    }

    .site-nav {
        display: none;
        position: absolute;
        left: 16px;
        right: 16px;
        top: 72px;
        background: #1a2129;
        border: 1px solid var(--line);
        border-radius: 16px;
        padding: 12px;
        flex-direction: column;
    }

    .theme-legal .site-nav {
        background: #fff;
        border-color: rgba(16, 19, 24, 0.08);
        box-shadow: 0 16px 40px rgba(16, 19, 24, 0.1);
    }

    body.nav-open .site-nav {
        display: flex;
    }

    .hero-grid,
    .feature-split,
    .feature-split.reverse,
    .contact-grid,
    .two-shots,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .hero-visual img,
    .phone-shot img,
    .two-shots img,
    .shot-center img {
        max-height: none;
    }
}