:root {
    --forest: #173c33;
    --forest-2: #245846;
    --moss: #6e8466;
    --sand: #f4efe2;
    --paper: #fbf8ef;
    --ink: #26302d;
    --muted: #66706c;
    --line: rgba(38, 48, 45, .14);
    --shadow: 0 24px 70px rgba(23, 60, 51, .13);
    --radius: 28px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
    color: var(--ink);
    background: linear-gradient(180deg, #fbf8ef 0%, #f2eadb 48%, #fbf8ef 100%);
    line-height: 1.7;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.site-header {
    position: sticky;
    top: 0;
    z-index: 30;
    background: rgba(251, 248, 239, .88);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--line);
}
.nav-shell { display: flex; align-items: center; justify-content: space-between; min-height: 78px; gap: 22px; }
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand-mark {
    width: 48px;
    height: 48px;
    border-radius: 18px;
    display: inline-grid;
    place-items: center;
    color: var(--sand);
    font-weight: 800;
    letter-spacing: -.04em;
    background: radial-gradient(circle at 30% 25%, #9aae88 0 20%, #245846 21% 68%, #173c33 69%);
    box-shadow: 0 14px 28px rgba(23, 60, 51, .18);
}
.brand strong { display: block; font-size: 20px; line-height: 1.1; color: var(--forest); }
.brand em { display: block; font-style: normal; font-size: 12px; color: var(--muted); letter-spacing: .18em; }
.site-nav { display: flex; align-items: center; gap: 4px; }
.site-nav a {
    padding: 10px 13px;
    border-radius: 999px;
    color: #42514d;
    font-size: 15px;
}
.site-nav a:hover, .site-nav a.is-active { background: #e7dfce; color: var(--forest); }
.nav-toggle { display: none; width: 46px; height: 42px; border: 0; background: transparent; padding: 8px; }
.nav-toggle span { display: block; height: 2px; background: var(--forest); margin: 6px 0; border-radius: 999px; }
.hero { padding: 70px 0 42px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(340px, .95fr); gap: 44px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; padding: 7px 12px; border: 1px solid rgba(23,60,51,.18); border-radius: 999px; color: var(--forest); background: rgba(255,255,255,.42); font-size: 14px; }
.eyebrow::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: #799463; box-shadow: 0 0 0 6px rgba(121,148,99,.16); }
h1, h2, h3 { color: var(--forest); line-height: 1.18; margin: 0; letter-spacing: -.03em; }
h1 { font-size: clamp(42px, 7vw, 82px); margin-top: 22px; }
.hero p.lead { font-size: clamp(18px, 2vw, 22px); color: #47534f; max-width: 780px; margin: 24px 0 0; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border-radius: 999px; padding: 13px 20px; font-weight: 700; border: 1px solid transparent; transition: .2s ease; }
.btn.primary { background: var(--forest); color: var(--paper); box-shadow: 0 18px 40px rgba(23,60,51,.22); }
.btn.secondary { border-color: rgba(23,60,51,.18); color: var(--forest); background: rgba(255,255,255,.46); }
.btn:hover { transform: translateY(-2px); }
.hero-panel { position: relative; border-radius: var(--radius); overflow: hidden; background: #e9ddc9; box-shadow: var(--shadow); border: 1px solid rgba(23,60,51,.08); }
.hero-panel img { width: 100%; }
.panel-caption { position: absolute; left: 22px; right: 22px; bottom: 22px; padding: 18px; border-radius: 22px; background: rgba(251,248,239,.86); backdrop-filter: blur(14px); }
.panel-caption strong { display: block; color: var(--forest); font-size: 18px; }
.panel-caption span { color: var(--muted); font-size: 14px; }
.section { padding: 72px 0; }
.section.alt { background: rgba(255,255,255,.34); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 28px; margin-bottom: 30px; }
.section-head h2 { font-size: clamp(30px, 4vw, 48px); }
.section-head p { max-width: 560px; margin: 10px 0 0; color: var(--muted); }
.grid { display: grid; gap: 22px; }
.grid.three { grid-template-columns: repeat(3, 1fr); }
.grid.four { grid-template-columns: repeat(4, 1fr); }
.grid.two { grid-template-columns: repeat(2, 1fr); }
.card { background: rgba(255,255,255,.58); border: 1px solid rgba(23,60,51,.1); border-radius: 24px; padding: 24px; box-shadow: 0 14px 40px rgba(23,60,51,.07); }
.card.media { padding: 0; overflow: hidden; }
.card.media .card-body { padding: 22px; }
.card h3 { font-size: 23px; margin-bottom: 10px; }
.card p { color: var(--muted); margin: 0; }
.card img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; background: #e6ddcb; }
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.tag { display: inline-flex; align-items: center; border-radius: 999px; padding: 4px 10px; background: #e9e2d2; color: var(--forest); font-size: 12px; font-weight: 700; }
.meta-line { display: flex; flex-wrap: wrap; gap: 10px; color: var(--muted); font-size: 13px; margin-top: 14px; }
.kicker-list { display: grid; gap: 12px; margin: 22px 0 0; padding: 0; list-style: none; }
.kicker-list li { display: flex; gap: 12px; align-items: flex-start; padding: 12px 0; border-top: 1px solid var(--line); }
.kicker-list b { min-width: 78px; color: var(--forest); }
.path { position: relative; display: grid; gap: 16px; }
.path::before { content: ""; position: absolute; left: 22px; top: 12px; bottom: 12px; width: 2px; background: rgba(23,60,51,.18); }
.path-step { position: relative; display: grid; grid-template-columns: 46px 1fr; gap: 16px; align-items: start; }
.step-num { width: 46px; height: 46px; border-radius: 16px; display: grid; place-items: center; background: var(--forest); color: var(--paper); font-weight: 800; z-index: 1; }
.quote-band { border-radius: var(--radius); padding: 38px; background: linear-gradient(135deg, rgba(23,60,51,.96), rgba(36,88,70,.9)); color: var(--paper); overflow: hidden; position: relative; }
.quote-band::after { content: ""; position: absolute; width: 360px; height: 360px; right: -110px; top: -120px; border-radius: 50%; background: rgba(244,239,226,.12); }
.quote-band h2, .quote-band h3 { color: var(--paper); }
.quote-band p { color: rgba(244,239,226,.82); }
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 24px; }
.filter-btn { border: 1px solid rgba(23,60,51,.18); background: rgba(255,255,255,.56); color: var(--forest); border-radius: 999px; padding: 10px 16px; cursor: pointer; font-weight: 700; }
.filter-btn.is-active { background: var(--forest); color: var(--paper); }
.video-shell { position: relative; border-radius: 26px; overflow: hidden; background: #0f2520; color: var(--paper); min-height: 260px; display: grid; place-items: center; }
.video-shell img { width: 100%; height: 100%; object-fit: cover; opacity: .9; }
.play-dot { position: absolute; width: 72px; height: 72px; border-radius: 50%; background: rgba(251,248,239,.92); display: grid; place-items: center; box-shadow: var(--shadow); }
.play-dot::before { content: ""; margin-left: 5px; width: 0; height: 0; border-top: 13px solid transparent; border-bottom: 13px solid transparent; border-left: 20px solid var(--forest); }
.form-card form { display: grid; gap: 14px; }
label { color: var(--forest); font-weight: 700; }
input, textarea, select { width: 100%; border: 1px solid rgba(23,60,51,.18); border-radius: 16px; padding: 13px 14px; background: rgba(255,255,255,.72); color: var(--ink); font: inherit; }
textarea { min-height: 132px; resize: vertical; }
.notice { padding: 16px 18px; border-radius: 18px; background: #e7dfce; color: #3e4d49; }
.faq { display: grid; gap: 14px; }
details { border: 1px solid rgba(23,60,51,.12); background: rgba(255,255,255,.54); border-radius: 20px; padding: 16px 18px; }
summary { cursor: pointer; color: var(--forest); font-weight: 800; }
details p { color: var(--muted); margin: 10px 0 0; }
.site-footer { padding: 54px 0; background: #102a24; color: rgba(244,239,226,.78); }
.footer-grid { display: grid; grid-template-columns: 1.5fr .8fr 1fr; gap: 34px; }
.site-footer h2 { color: var(--paper); font-size: 18px; margin-bottom: 12px; }
.site-footer a { display: block; margin: 8px 0; color: rgba(244,239,226,.86); }
.site-footer .brand { display: inline-flex; margin-bottom: 14px; }
.site-footer .brand strong { color: var(--paper); }
.site-footer .brand em { color: rgba(244,239,226,.62); }
.to-top { position: fixed; right: 20px; bottom: 20px; width: 44px; height: 44px; border-radius: 50%; border: 0; background: var(--forest); color: var(--paper); display: none; place-items: center; box-shadow: var(--shadow); cursor: pointer; }
.to-top.is-visible { display: grid; }
@media (max-width: 980px) {
    .hero-grid, .grid.three, .grid.four, .grid.two, .footer-grid { grid-template-columns: 1fr; }
    .section-head { display: block; }
    .site-nav { position: absolute; left: 20px; right: 20px; top: 72px; display: none; flex-direction: column; align-items: stretch; background: var(--paper); border: 1px solid var(--line); border-radius: 22px; padding: 12px; box-shadow: var(--shadow); }
    .site-nav.is-open { display: flex; }
    .site-nav a { padding: 12px 14px; }
    .nav-toggle { display: block; }
}
@media (max-width: 640px) {
    .container { width: min(100% - 28px, 1180px); }
    .hero { padding-top: 44px; }
    .section { padding: 52px 0; }
    .card { padding: 20px; }
    .quote-band { padding: 28px; }
    .panel-caption { position: static; border-radius: 0; }
}