/* 晓府讯 PC 落地页 — 柔和友好白底 */

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: #fff;
    color: #0f1438;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

html { font-size: calc(100vw / 120); }
@media (max-width: 1280px) { html { font-size: 10.67px; } }
@media (min-width: 1921px) { html { font-size: 16px; } }
@media (min-width: 2560px) { html { font-size: 21.33px; } }

body { font-size: 14px; line-height: 1.6; }

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

.page {
    position: relative;
    overflow: clip;
}

.grad-text {
    background: linear-gradient(135deg, #a78bfa, #7db0ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

/* ============ 顶栏 ============ */
.topbar {
    position: relative;
    z-index: 10;
    max-width: 120rem;
    margin: 0 auto;
    padding: 1.4rem 4rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.topbar .brand { display: flex; align-items: center; gap: 0.65rem; }
.topbar .brand img {
    width: 2.2rem;
    height: 2.2rem;
    border-radius: 0.65rem;
    box-shadow: 0 4px 10px rgba(125, 140, 255, 0.18);
}
.topbar .brand span { font-size: 1.15rem; font-weight: 700; letter-spacing: 0.03em; color: #0f1438; }

.nav-links { display: flex; gap: 2.5rem; font-size: 0.9rem; color: #5b6494; }
.nav-links a { transition: color 0.2s; }
.nav-links a:hover { color: #7c5bd9; }

.nav-action {
    background: linear-gradient(135deg, #a78bfa, #7db0ff);
    color: #fff;
    border: none;
    padding: 0.65rem 1.5rem;
    border-radius: 0.7rem;
    font-size: 0.9rem;
    font-weight: 600;
    box-shadow: 0 6px 18px rgba(125, 140, 255, 0.35);
    transition: transform 0.2s, box-shadow 0.2s;
}
.nav-action:hover { transform: translateY(-1px); box-shadow: 0 10px 24px rgba(125, 140, 255, 0.5); }

/* ============ Hero ============ */
.hero {
    position: relative;
    max-width: 120rem;
    margin: 0 auto;
    padding: 3rem 4rem 6rem;
    display: grid;
    grid-template-columns: 1fr 1.05fr;
    gap: 3.5rem;
    align-items: center;
    background: linear-gradient(180deg, #f7f9ff 0%, #eef2ff 100%);
    border-radius: 0;
    overflow: clip;
}
.hero-bg-1 {
    position: absolute;
    top: -8rem; right: -6rem;
    width: 26rem; height: 26rem;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(167, 139, 250, 0.25), transparent 70%);
    filter: blur(20px);
    pointer-events: none;
}
.hero-bg-2 {
    position: absolute;
    bottom: -10rem; left: -8rem;
    width: 30rem; height: 30rem;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(125, 176, 255, 0.22), transparent 70%);
    filter: blur(20px);
    pointer-events: none;
}

/* Hero 左侧主视觉 */
.hero-visual {
    position: relative;
    z-index: 2;
    height: 26rem;
    display: flex;
    align-items: center;
    justify-content: center;
}
.logo-halo {
    position: absolute;
    width: 22rem; height: 22rem;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(167, 139, 250, 0.22), transparent 65%);
}
.hero-logo {
    position: relative;
    z-index: 2;
    width: 12rem;
    height: 12rem;
    border-radius: 2.4rem;
    overflow: hidden;
    box-shadow: 0 24px 50px rgba(125, 140, 255, 0.35), 0 0 60px rgba(167, 139, 250, 0.2);
}
.hero-logo img { width: 100%; height: 100%; display: block; }

.float-card {
    position: absolute;
    z-index: 3;
    background: #fff;
    border-radius: 1rem;
    box-shadow: 0 14px 32px rgba(91, 100, 148, 0.15);
    display: flex;
    align-items: center;
    gap: 0.6rem;
    animation: float-y 4s ease-in-out infinite;
}
@keyframes float-y { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-0.5rem); } }

.float-card-1 {
    top: 1.5rem; right: 1.5rem;
    padding: 0.7rem 0.95rem;
    animation-delay: 0s;
}
.float-card-1 .fc-icon {
    width: 1.6rem; height: 1.6rem;
    border-radius: 50%;
    background: linear-gradient(135deg, #a78bfa, #7db0ff);
    flex-shrink: 0;
}
.float-card-1 .fc-text strong { display: block; font-size: 0.78rem; font-weight: 600; color: #0f1438; }
.float-card-1 .fc-text span { display: block; font-size: 0.65rem; color: #8b94b7; margin-top: 0.1rem; }

.float-card-2 {
    bottom: 2rem; left: 1rem;
    padding: 0.55rem 0.85rem;
    font-size: 0.72rem;
    color: #5b6494;
    animation-delay: 1.5s;
}
.float-card-2 .fc-dot {
    color: #22c55e;
    font-size: 0.7rem;
}
.float-card-2 .fc-dot::before { content: '●'; }

/* Hero 右侧文案 */
.hero-copy { position: relative; z-index: 2; }
.hero-copy .eyebrow {
    display: inline-block;
    padding: 0.35rem 0.85rem;
    background: rgba(167, 139, 250, 0.15);
    color: #7c5bd9;
    border-radius: 99px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    margin-bottom: 1.4rem;
}
.hero-copy h1 {
    font-size: 3.6rem;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.025em;
    margin: 0 0 1.3rem;
    color: #0f1438;
}
.hero-lead {
    font-size: 1rem;
    line-height: 1.75;
    color: #5b6494;
    margin: 0 0 2rem;
    max-width: 30rem;
}

.hero-actions { display: flex; gap: 1rem; margin-bottom: 2.4rem; }
.btn-primary {
    background: linear-gradient(135deg, #a78bfa, #7db0ff);
    color: #fff;
    border: none;
    padding: 0.9rem 2rem;
    border-radius: 0.8rem;
    font-size: 0.95rem;
    font-weight: 600;
    box-shadow: 0 10px 24px rgba(125, 140, 255, 0.4);
    transition: transform 0.2s, box-shadow 0.2s;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 32px rgba(125, 140, 255, 0.55); }

.btn-ghost {
    display: inline-flex;
    align-items: center;
    background: #fff;
    color: #1a1f3a;
    border: 1px solid #e4e8f5;
    padding: 0.9rem 1.7rem;
    border-radius: 0.8rem;
    font-size: 0.95rem;
    font-weight: 500;
    box-shadow: 0 4px 10px rgba(91, 100, 148, 0.06);
    transition: border-color 0.2s, transform 0.2s;
}
.btn-ghost:hover { border-color: #a78bfa; transform: translateY(-1px); }

.proof-row {
    display: flex;
    gap: 2.5rem;
    margin: 0;
    padding-top: 1.5rem;
    border-top: 1px solid #e4e8f5;
}
.proof-row > div { display: flex; flex-direction: column; gap: 0.25rem; }
.proof-row dt { font-size: 1.4rem; font-weight: 700; letter-spacing: -0.01em; color: #0f1438; }
.proof-row dd { margin: 0; font-size: 0.75rem; color: #8b94b7; }

/* ============ 区块标题 ============ */
.section-heading { text-align: center; margin-bottom: 3rem; }
.section-heading .eyebrow {
    font-size: 0.75rem;
    color: #7c5bd9;
    letter-spacing: 0.3em;
    font-weight: 600;
    margin-bottom: 0.8rem;
}
.section-heading h2 {
    font-size: 2.6rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin: 0 0 0.7rem;
    color: #0f1438;
}
.section-heading .section-sub { font-size: 0.95rem; color: #5b6494; margin: 0; }

/* ============ 3 大特性 ============ */
.features {
    max-width: 120rem;
    margin: 0 auto;
    padding: 5.5rem 4rem;
}
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.3rem;
}
.feat-card {
    border-radius: 1.3rem;
    padding: 2.5rem 2rem;
    text-align: center;
    transition: transform 0.25s, box-shadow 0.25s;
}
.feat-card:hover { transform: translateY(-6px); box-shadow: 0 20px 44px rgba(125, 140, 255, 0.15); }
.feat-card-1 { background: linear-gradient(160deg, #faf8ff, #f0eeff); border: 1px solid #e8e2ff; }
.feat-card-2 { background: linear-gradient(160deg, #f4f9ff, #eef4ff); border: 1px solid #dee9ff; }
.feat-card-3 { background: linear-gradient(160deg, #fff8ff, #fbf0ff); border: 1px solid #f0deff; }

.feat-icon {
    width: 3.8rem;
    height: 3.8rem;
    border-radius: 1.1rem;
    background: linear-gradient(135deg, #a78bfa, #7db0ff);
    box-shadow: 0 12px 26px rgba(125, 140, 255, 0.35);
    margin: 0 auto 1.4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}
.feat-icon svg { width: 1.7rem; height: 1.7rem; }

.feat-card h3 { font-size: 1.25rem; font-weight: 700; margin: 0 0 0.6rem; color: #0f1438; }
.feat-card p { font-size: 0.92rem; color: #5b6494; line-height: 1.75; margin: 0; }

/* ============ 平台下载 ============ */
.download {
    background: linear-gradient(180deg, #f7f9ff 0%, #eef2ff 100%);
    padding: 5rem 4rem 6rem;
}
.download .section-heading { margin-bottom: 2.7rem; }
.download-grid {
    max-width: 80rem;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.2rem;
}
.dl-card {
    background: #fff;
    border: 1px solid #ebeef8;
    border-radius: 1.2rem;
    padding: 1.9rem 1.6rem;
    text-align: center;
    box-shadow: 0 10px 30px rgba(91, 100, 148, 0.08);
    color: #0f1438;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: transform 0.25s, box-shadow 0.25s;
}
.dl-card:not(.qr-card) { cursor: pointer; }
.dl-card:not(.qr-card):hover { transform: translateY(-4px); box-shadow: 0 18px 40px rgba(125, 140, 255, 0.18); }
.dl-icon {
    width: 3.2rem;
    height: 3.2rem;
    border-radius: 0.95rem;
    background: linear-gradient(135deg, #a78bfa, #7db0ff);
    box-shadow: 0 10px 22px rgba(125, 140, 255, 0.35);
    margin-bottom: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}
.dl-icon svg { width: 1.5rem; height: 1.5rem; }
.dl-card strong { font-size: 1.05rem; font-weight: 600; margin-bottom: 0.25rem; }
.dl-card span { font-size: 0.75rem; color: #8b94b7; margin-bottom: 1.1rem; }
.dl-card em {
    display: block;
    background: linear-gradient(135deg, #a78bfa, #7db0ff);
    color: #fff;
    border-radius: 0.6rem;
    padding: 0.65rem 0;
    width: 100%;
    font-size: 0.85rem;
    font-weight: 600;
    font-style: normal;
    margin-top: auto;
    box-shadow: 0 6px 14px rgba(125, 140, 255, 0.3);
}

.qr-card { padding-top: 1.8rem; }
.qr-box {
    width: 7.5rem;
    height: 7.5rem;
    background: linear-gradient(135deg, #f7f9ff, #eef2ff);
    border: 1px solid #ebeef8;
    border-radius: 0.7rem;
    padding: 0.45rem;
    margin-top: auto;
    display: flex;
    align-items: center;
    justify-content: center;
}
.qr-box img, .qr-box canvas { width: 100% !important; height: 100% !important; display: block; }

/* ============ 页脚 ============ */
.footer {
    background: #fff;
    border-top: 1px solid #ebeef8;
    padding: 1.6rem 4rem 1.8rem;
    max-width: 120rem;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.footer-left { display: flex; align-items: center; gap: 0.6rem; }
.footer-left img { width: 1.7rem; height: 1.7rem; border-radius: 0.55rem; }
.footer-brand { font-size: 0.9rem; font-weight: 600; color: #0f1438; }
.footer-copy { font-size: 0.72rem; color: #8b94b7; margin-left: 0.9rem; }