:root {
    --forest: #17372f;
    --forest-2: #235043;
    --moss: #5c765d;
    --sand: #f4efe5;
    --paper: #fffaf0;
    --ink: #252927;
    --muted: #6a716d;
    --line: rgba(32, 52, 45, .14);
    --light: #fbf8f0;
    --shadow: 0 18px 45px rgba(16, 38, 32, .12);
    --radius-xl: 28px;
    --radius: 18px;
    --max: 1180px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
    color: var(--ink);
    background: linear-gradient(180deg, var(--sand), #fcfaf4 42%, #f3eee3);
    line-height: 1.75;
    text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 1rem; color: var(--muted); }
h1, h2, h3, h4 { color: var(--forest); line-height: 1.25; margin: 0 0 1rem; }
h1 { font-size: clamp(2.35rem, 6vw, 5rem); letter-spacing: -.055em; }
h2 { font-size: clamp(1.8rem, 3.6vw, 3rem); letter-spacing: -.035em; }
h3 { font-size: clamp(1.18rem, 2vw, 1.55rem); }
ul { padding-left: 1.2rem; color: var(--muted); }
.container { width: min(100% - 36px, var(--max)); margin-inline: auto; }
.section { padding: 88px 0; position: relative; }
.section-tight { padding: 58px 0; }
.eyebrow {
    display: inline-flex;
    gap: 8px;
    align-items: center;
    color: var(--moss);
    font-weight: 700;
    letter-spacing: .08em;
    font-size: .82rem;
    text-transform: uppercase;
    margin-bottom: 14px;
}
.eyebrow::before {
    content: "";
    width: 34px;
    height: 1px;
    background: currentColor;
    opacity: .55;
}
.lead {
    font-size: clamp(1.05rem, 2vw, 1.28rem);
    color: #516058;
    max-width: 780px;
}
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(244, 239, 229, .86);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line);
}
.header-inner {
    min-height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}
.brand, .footer-brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-weight: 900;
    color: var(--forest);
    letter-spacing: -.03em;
    font-size: 1.3rem;
}
.brand img { filter: drop-shadow(0 8px 15px rgba(20, 50, 43, .12)); }
.primary-nav { display: flex; align-items: center; gap: 4px; }
.primary-nav a {
    padding: 10px 13px;
    border-radius: 999px;
    color: #45554e;
    font-weight: 650;
    font-size: .95rem;
}
.primary-nav a:hover, .primary-nav a:focus {
    background: rgba(35, 80, 67, .1);
    color: var(--forest);
}
.nav-toggle { display: none; }
.hero {
    min-height: calc(100vh - 76px);
    display: grid;
    align-items: center;
    overflow: hidden;
    padding: 74px 0 96px;
}
.hero::before {
    content: "";
    position: absolute;
    inset: 76px 0 auto;
    height: 620px;
    background:
        radial-gradient(circle at 16% 18%, rgba(92, 118, 93, .28), transparent 28%),
        radial-gradient(circle at 83% 12%, rgba(32, 84, 70, .25), transparent 30%),
        linear-gradient(180deg, rgba(255, 250, 240, .4), rgba(255, 250, 240, 0));
    pointer-events: none;
}
.hero-grid {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.02fr) minmax(340px, .78fr);
    gap: 54px;
    align-items: center;
}
.hero-copy .lead { margin-bottom: 30px; }
.hero-actions, .inline-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    align-items: center;
}
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 48px;
    padding: 12px 20px;
    border-radius: 999px;
    font-weight: 800;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--forest); color: var(--paper); box-shadow: 0 12px 28px rgba(23, 55, 47, .22); }
.btn-secondary { color: var(--forest); background: rgba(255, 250, 240, .76); border-color: var(--line); }
.btn-ghost { color: var(--forest); border-color: rgba(23,55,47,.18); background: rgba(255,255,255,.35); }
.hero-panel {
    position: relative;
    border-radius: 36px;
    padding: 18px;
    background: rgba(255, 250, 240, .72);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
}
.hero-panel img {
    border-radius: 28px;
    overflow: hidden;
    width: 100%;
    background: #dde3d3;
}
.float-card {
    position: absolute;
    right: -20px;
    bottom: 26px;
    width: min(250px, 54%);
    padding: 18px;
    border-radius: 22px;
    background: rgba(255, 250, 240, .92);
    box-shadow: 0 20px 40px rgba(23,55,47,.18);
    border: 1px solid var(--line);
}
.float-card strong { display: block; color: var(--forest); margin-bottom: 5px; }
.float-card span { display: block; color: var(--muted); font-size: .9rem; }
.stats-strip {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    margin-top: 34px;
}
.stat {
    padding: 18px;
    border-radius: 20px;
    background: rgba(255,250,240,.62);
    border: 1px solid var(--line);
}
.stat strong { display: block; color: var(--forest); font-size: 1.55rem; }
.stat span { color: var(--muted); font-size: .92rem; }
.section-head {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 34px;
}
.section-head .lead { max-width: 650px; }
.grid-3, .grid-4, .grid-2 {
    display: grid;
    gap: 22px;
}
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.card {
    background: rgba(255, 250, 240, .72);
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
    padding: 26px;
    box-shadow: 0 12px 36px rgba(20, 43, 37, .06);
}
.card:hover { box-shadow: var(--shadow); }
.card-icon {
    width: 62px;
    height: 62px;
    border-radius: 20px;
    display: grid;
    place-items: center;
    background: rgba(35, 80, 67, .1);
    margin-bottom: 18px;
}
.card-icon img { width: 42px; }
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.tag {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    padding: 6px 11px;
    background: rgba(35, 80, 67, .1);
    color: var(--forest);
    font-size: .82rem;
    font-weight: 700;
}
.feature-band {
    background: linear-gradient(135deg, var(--forest), #2d5a4b);
    border-radius: 42px;
    color: var(--paper);
    padding: clamp(30px, 6vw, 64px);
    overflow: hidden;
    position: relative;
}
.feature-band::after {
    content: "";
    position: absolute;
    width: 420px;
    height: 420px;
    border-radius: 50%;
    right: -160px;
    top: -130px;
    background: radial-gradient(circle, rgba(244,239,229,.22), transparent 70%);
}
.feature-band h2, .feature-band h3 { color: var(--paper); }
.feature-band p, .feature-band li { color: rgba(255,250,240,.78); }
.feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; align-items: center; position: relative; }
.feature-grid img { border-radius: 30px; border: 1px solid rgba(255,250,240,.16); }
.media-card {
    overflow: hidden;
    padding: 0;
}
.media-card .cover {
    position: relative;
    overflow: hidden;
    background: #dfe6dc;
    aspect-ratio: 16 / 10;
}
.media-card .cover img { width: 100%; height: 100%; object-fit: cover; }
.duration {
    position: absolute;
    right: 14px;
    bottom: 14px;
    padding: 6px 10px;
    border-radius: 999px;
    background: rgba(23, 55, 47, .88);
    color: var(--paper);
    font-weight: 800;
    font-size: .82rem;
}
.media-card .body { padding: 24px; }
.meta-line {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    color: var(--moss);
    font-size: .88rem;
    font-weight: 750;
    margin-bottom: 10px;
}
.timeline {
    display: grid;
    gap: 18px;
    counter-reset: steps;
}
.step {
    display: grid;
    grid-template-columns: 72px 1fr;
    gap: 18px;
    align-items: start;
    padding: 22px;
    border-radius: 26px;
    background: rgba(255,250,240,.76);
    border: 1px solid var(--line);
}
.step::before {
    counter-increment: steps;
    content: counter(steps, decimal-leading-zero);
    display: grid;
    place-items: center;
    width: 56px;
    height: 56px;
    border-radius: 18px;
    background: var(--forest);
    color: var(--paper);
    font-weight: 900;
}
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 0 0 26px;
}
.filter-button {
    border: 1px solid var(--line);
    background: rgba(255,250,240,.75);
    color: var(--forest);
    border-radius: 999px;
    padding: 10px 15px;
    cursor: pointer;
    font-weight: 800;
}
.filter-button.is-active {
    color: var(--paper);
    background: var(--forest);
}
.quote {
    font-size: clamp(1.3rem, 3vw, 2.2rem);
    color: var(--forest);
    line-height: 1.45;
    letter-spacing: -.025em;
}
.faq {
    display: grid;
    gap: 14px;
}
.faq details {
    background: rgba(255, 250, 240, .78);
    border: 1px solid var(--line);
    border-radius: 22px;
    padding: 20px 22px;
}
.faq summary {
    cursor: pointer;
    color: var(--forest);
    font-weight: 850;
}
.faq p { margin-top: 12px; }
.contact-card {
    display: grid;
    grid-template-columns: .9fr 1.1fr;
    gap: 26px;
    align-items: start;
}
.form {
    display: grid;
    gap: 16px;
}
.form label {
    display: grid;
    gap: 8px;
    color: var(--forest);
    font-weight: 780;
}
.input, .textarea, .select {
    width: 100%;
    border: 1px solid rgba(23,55,47,.2);
    border-radius: 16px;
    background: rgba(255,255,255,.66);
    padding: 13px 14px;
    color: var(--ink);
    font: inherit;
}
.textarea { min-height: 130px; resize: vertical; }
.notice {
    border-left: 4px solid var(--forest);
    background: rgba(35,80,67,.08);
    padding: 16px 18px;
    border-radius: 16px;
    color: #4a5a52;
}
.site-footer {
    padding: 50px 0 38px;
    border-top: 1px solid var(--line);
    background: rgba(23,55,47,.04);
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr .8fr 1fr;
    gap: 30px;
}
.site-footer strong {
    display: block;
    color: var(--forest);
    margin-bottom: 12px;
}
.site-footer a:not(.footer-brand) {
    display: block;
    color: var(--muted);
    margin: 7px 0;
}
.back-top {
    position: fixed;
    right: 20px;
    bottom: 20px;
    width: 46px;
    height: 46px;
    border: 0;
    border-radius: 50%;
    background: var(--forest);
    color: var(--paper);
    font-size: 1.2rem;
    cursor: pointer;
    box-shadow: var(--shadow);
    opacity: 0;
    transform: translateY(10px);
    pointer-events: none;
    transition: .2s ease;
}
.back-top.is-show {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}
.split-hero {
    padding: 72px 0 42px;
}
.split-grid {
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: 42px;
    align-items: center;
}
.split-grid img {
    border-radius: 34px;
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
}
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}
.kpi {
    padding: 22px;
    border-radius: 24px;
    background: rgba(255,250,240,.74);
    border: 1px solid var(--line);
}
.kpi strong {
    display: block;
    color: var(--forest);
    font-size: 1.8rem;
}
.table-like {
    display: grid;
    gap: 12px;
}
.table-row {
    display: grid;
    grid-template-columns: 1fr 1.2fr .8fr;
    gap: 14px;
    padding: 16px;
    border-radius: 18px;
    background: rgba(255,250,240,.72);
    border: 1px solid var(--line);
}
.table-row strong { color: var(--forest); }
.page-tools {
    display: grid;
    gap: 18px;
    margin-top: 28px;
}
.mini-map {
    min-height: 360px;
    border-radius: 36px;
    background:
        radial-gradient(circle at 18% 22%, rgba(35,80,67,.2), transparent 16%),
        radial-gradient(circle at 72% 28%, rgba(92,118,93,.22), transparent 18%),
        radial-gradient(circle at 46% 75%, rgba(35,80,67,.18), transparent 20%),
        linear-gradient(135deg, #f8f2e7, #e8eddf);
    border: 1px solid var(--line);
    position: relative;
    overflow: hidden;
}
.mini-map span {
    position: absolute;
    display: inline-flex;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(255,250,240,.78);
    color: var(--forest);
    font-weight: 820;
    border: 1px solid var(--line);
}
.mini-map span:nth-child(1){ left: 10%; top: 18%; }
.mini-map span:nth-child(2){ right: 12%; top: 22%; }
.mini-map span:nth-child(3){ left: 36%; bottom: 18%; }
.mini-map span:nth-child(4){ right: 22%; bottom: 30%; }
@media (max-width: 980px) {
    .hero-grid, .split-grid, .feature-grid, .contact-card { grid-template-columns: 1fr; }
    .grid-4, .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .kpi-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .hero { min-height: auto; }
    .float-card { right: 16px; }
}
@media (max-width: 760px) {
    .section { padding: 64px 0; }
    .section-head { display: block; }
    .primary-nav {
        position: fixed;
        left: 18px;
        right: 18px;
        top: 82px;
        display: grid;
        padding: 14px;
        background: rgba(255,250,240,.96);
        border: 1px solid var(--line);
        border-radius: 24px;
        box-shadow: var(--shadow);
        transform: translateY(-12px);
        opacity: 0;
        pointer-events: none;
        transition: .2s ease;
    }
    .primary-nav.is-open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }
    .nav-toggle {
        display: inline-grid;
        gap: 5px;
        padding: 10px 12px;
        border-radius: 16px;
        border: 1px solid var(--line);
        background: rgba(255,250,240,.8);
        color: var(--forest);
    }
    .nav-toggle span {
        width: 24px;
        height: 2px;
        background: var(--forest);
        display: block;
    }
    .nav-toggle em {
        font-style: normal;
        font-size: .72rem;
        font-weight: 800;
    }
    .grid-4, .grid-3, .grid-2, .stats-strip, .kpi-grid, .footer-grid { grid-template-columns: 1fr; }
    .step { grid-template-columns: 1fr; }
    .table-row { grid-template-columns: 1fr; }
    .hero-actions, .inline-actions { align-items: stretch; }
    .btn { width: 100%; }
    .float-card { position: static; width: 100%; margin-top: 14px; }
}