:root {
    --blue: #72b7e8;
    --blue-deep: #2f6f9f;
    --cream: #fff4bf;
    --orange: #ffb56b;
    --orange-deep: #df7d2e;
    --white: #ffffff;
    --ink: #26384b;
    --muted: #69798a;
    --soft: #f6fbff;
    --line: #e4eff7;
    --shadow: 0 18px 45px rgba(64, 120, 158, 0.14);
    --radius: 28px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    color: var(--ink);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
    background: linear-gradient(180deg, #f8fcff 0%, #fffaf0 58%, #ffffff 100%);
    line-height: 1.72;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    min-height: 76px;
    padding: 14px min(5vw, 72px);
    background: rgba(255, 255, 255, 0.92);
    border-bottom: 1px solid rgba(228, 239, 247, 0.9);
    backdrop-filter: blur(16px);
}
.brand { display: inline-flex; align-items: center; gap: 12px; font-weight: 800; }
.brand-mark {
    width: 44px;
    height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--blue), var(--orange));
    box-shadow: 0 12px 24px rgba(114, 183, 232, 0.26);
}
.brand-text { font-size: 1.22rem; letter-spacing: 0.04em; }
.site-nav { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.site-nav a {
    padding: 9px 13px;
    border-radius: 999px;
    color: #52677a;
    font-weight: 650;
    font-size: 0.96rem;
}
.site-nav a:hover, .site-nav a.is-active { background: #edf7ff; color: var(--blue-deep); }
.nav-toggle { display: none; border: 0; background: var(--blue); color: #fff; border-radius: 14px; padding: 9px 12px; font-size: 1.1rem; }
main { overflow: hidden; }
.container, .page-hero, .hero, .section { width: min(1160px, calc(100% - 36px)); margin: 0 auto; }
.hero {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: min(5vw, 60px);
    align-items: center;
    padding: 58px 0 38px;
}
.hero-copy, .page-hero-card, .soft-card, .card, .feature-card, .story-card, .video-card, .faq-item, .contact-card {
    background: rgba(255, 255, 255, 0.86);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}
.hero-copy { padding: clamp(24px, 4vw, 48px); }
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 13px;
    color: var(--blue-deep);
    background: #eaf7ff;
    border-radius: 999px;
    font-weight: 750;
    font-size: 0.9rem;
}
h1, h2, h3 { line-height: 1.22; color: #203348; }
h1 { margin: 18px 0 18px; font-size: clamp(2.15rem, 5vw, 4.5rem); letter-spacing: -0.06em; }
h2 { margin: 0 0 12px; font-size: clamp(1.7rem, 3vw, 2.5rem); letter-spacing: -0.035em; }
h3 { margin: 0 0 10px; font-size: 1.2rem; }
p { margin: 0 0 14px; color: var(--muted); }
.lead { font-size: clamp(1.02rem, 1.6vw, 1.18rem); color: #4f6276; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    border-radius: 999px;
    background: var(--blue-deep);
    color: #fff;
    font-weight: 760;
    box-shadow: 0 14px 26px rgba(47, 111, 159, 0.22);
}
.btn.secondary { background: #fff3cf; color: #8a5a18; box-shadow: none; border: 1px solid #ffe3a0; }
.hero-visual { position: relative; }
.hero-visual::before {
    content: "";
    position: absolute;
    inset: 7% -4% -5% 10%;
    background: linear-gradient(135deg, rgba(255, 244, 191, 0.8), rgba(114, 183, 232, 0.28));
    border-radius: 42px;
    transform: rotate(-3deg);
}
.hero-visual img { position: relative; border-radius: 34px; box-shadow: var(--shadow); }
.section { padding: 52px 0; }
.section-head { max-width: 760px; margin-bottom: 26px; }
.section-head.center { margin-inline: auto; text-align: center; }
.grid { display: grid; gap: 18px; }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card, .feature-card, .story-card, .video-card, .soft-card, .contact-card { padding: 24px; }
.feature-card img, .story-card img, .video-card img, .soft-card img { border-radius: 22px; margin-bottom: 18px; background: var(--soft); }
.feature-card { position: relative; overflow: hidden; }
.feature-card::after {
    content: "";
    position: absolute;
    right: -40px;
    bottom: -42px;
    width: 116px;
    height: 116px;
    border-radius: 50%;
    background: rgba(255, 181, 107, 0.18);
}
.badge-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0 4px; }
.badge {
    display: inline-flex;
    padding: 6px 10px;
    border-radius: 999px;
    background: #fff6d9;
    color: #865612;
    font-size: 0.86rem;
    font-weight: 700;
}
.split {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: min(4vw, 44px);
    align-items: center;
}
.soft-panel {
    background: linear-gradient(135deg, #eaf7ff, #fff7d8);
    border: 1px solid var(--line);
    border-radius: 36px;
    padding: clamp(24px, 4vw, 44px);
}
.check-list { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 12px; }
.check-list li {
    position: relative;
    padding-left: 34px;
    color: #4f6276;
}
.check-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    width: 24px;
    height: 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: #fff;
    background: var(--orange);
    font-weight: 900;
    line-height: 1;
}
.timeline { display: grid; gap: 14px; counter-reset: step; }
.timeline .card { position: relative; padding-left: 70px; }
.timeline .card::before {
    counter-increment: step;
    content: counter(step);
    position: absolute;
    left: 24px;
    top: 24px;
    width: 34px;
    height: 34px;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #eaf7ff;
    color: var(--blue-deep);
    font-weight: 900;
}
.page-hero { padding: 42px 0 18px; }
.page-hero-card { padding: clamp(24px, 4vw, 50px); background: linear-gradient(135deg, rgba(255,255,255,0.92), rgba(234,247,255,0.88)); }
.page-hero h1 { font-size: clamp(2.0rem, 4vw, 3.5rem); }
.table-wrap { overflow-x: auto; border-radius: 24px; border: 1px solid var(--line); background: #fff; box-shadow: var(--shadow); }
table { width: 100%; border-collapse: collapse; min-width: 680px; }
th, td { padding: 16px 18px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: #f2f9ff; color: #2f5576; }
tr:last-child td { border-bottom: 0; }
.faq-list { display: grid; gap: 14px; }
.faq-item { padding: 22px 24px; }
.faq-item button {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    text-align: left;
    color: #203348;
    background: transparent;
    border: 0;
    font: inherit;
    font-weight: 800;
    cursor: pointer;
    padding: 0;
}
.faq-item .answer { display: none; padding-top: 12px; }
.faq-item.is-open .answer { display: block; }
.notice {
    padding: 18px 20px;
    border-radius: 24px;
    background: #fff7d8;
    border: 1px solid #ffe6a9;
    color: #765012;
}
.video-meta { display: flex; gap: 8px; flex-wrap: wrap; margin: 10px 0 12px; }
.video-meta span { background: #eaf7ff; color: var(--blue-deep); border-radius: 999px; padding: 5px 9px; font-size: 0.84rem; font-weight: 700; }
.form-grid { display: grid; gap: 14px; }
.form-grid label { display: grid; gap: 8px; color: #3c5064; font-weight: 700; }
input, textarea, select {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 13px 14px;
    font: inherit;
    color: var(--ink);
    background: #fff;
}
textarea { min-height: 130px; resize: vertical; }
.site-footer {
    margin-top: 30px;
    padding: 40px min(5vw, 72px) 24px;
    background: #203348;
    color: #fff;
}
.site-footer p { color: rgba(255,255,255,0.72); }
.footer-grid { display: grid; grid-template-columns: 1.1fr 1fr 1fr; gap: 24px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; margin-top: 24px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,0.14); color: rgba(255,255,255,0.78); }
[data-copy-status] { min-height: 1.2em; font-size: 0.92rem; color: var(--blue-deep); }
@media (max-width: 980px) {
    .hero, .split { grid-template-columns: 1fr; }
    .grid.three, .grid.four { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .footer-grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
    .site-header { padding-inline: 18px; flex-wrap: wrap; }
    .nav-toggle { display: inline-flex; }
    .site-nav { display: none; width: 100%; padding-top: 10px; }
    .site-nav.is-open { display: grid; grid-template-columns: 1fr 1fr; }
    .site-nav a { text-align: center; }
    .grid.two, .grid.three, .grid.four { grid-template-columns: 1fr; }
    .hero { padding-top: 30px; }
    .card, .feature-card, .story-card, .video-card, .soft-card, .contact-card { padding: 20px; }
    .footer-bottom { display: grid; }
}
@media (max-width: 420px) {
    .site-nav.is-open { grid-template-columns: 1fr; }
    .actions { display: grid; }
    .btn { width: 100%; }
}