* {
    box-sizing:border-box;
    margin:0;
    padding:0
}
html {
    scroll-behavior:smooth
}
body {
    font-family:var(--font, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif);
    background:var(--bg);
    color:var(--text);
    line-height:1.7;
    overflow-x:hidden;
    -webkit-font-smoothing:antialiased
}
a {
    color:inherit;
    text-decoration:none
}
img {
    max-width:100%;
    display:block
}
.wrap {
    max-width:1200px;
    margin:0 auto;
    padding:0 22px
}
section {
    padding:84px 0
}
.muted {
    color:var(--muted)
}
/* ---------- 导航 ---------- */
 .nav {
    position:sticky;
    top:0;
    z-index:60;
    background:color-mix(in srgb, var(--bg) 82%, transparent);
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
    border-bottom:1px solid var(--border)
}
.nav-inner {
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:14px 22px;
    max-width:1200px;
    margin:0 auto
}
.brand {
    display:flex;
    align-items:center;
    gap:11px;
    font-weight:800;
    font-size:20px;
    letter-spacing:.5px
}
.logo-mark {
    width:34px;
    height:34px;
    border-radius:9px;
    display:grid;
    place-items:center;
    flex:none
}
.logo-mark svg {
    width:20px;
    height:20px
}
.brand small {
    display:block;
    font-size:11px;
    font-weight:500;
    color:var(--muted);
    letter-spacing:2px
}
.nav-links {
    display:flex;
    gap:30px;
    align-items:center
}
.nav-links a {
    color:var(--muted);
    font-size:15px;
    transition:color .2s;
    white-space:nowrap;
    position:relative
}
.nav-links a:hover {
    color:var(--text)
}
.nav-links a.active {
    color:var(--text);
    font-weight:600
}
.nav-links a.active::after {
    content:"";
    position:absolute;
    left:0;
    right:0;
    bottom:-6px;
    height:2px;
    border-radius:2px;
    background:var(--grad)
}
.nav-toggle {
    display:none;
    background:none;
    border:1px solid var(--border);
    border-radius:9px;
    width:42px;
    height:38px;
    cursor:pointer;
    flex-direction:column;
    gap:5px;
    justify-content:center;
    align-items:center
}
.nav-toggle span {
    width:20px;
    height:2px;
    background:var(--text);
    display:block;
    border-radius:2px
}
/* ---------- 按钮 ---------- */
 .btn {
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:13px 26px;
    border-radius:999px;
    font-size:15px;
    font-weight:600;
    cursor:pointer;
    transition:.22s;
    border:1px solid transparent
}
.btn-primary {
    background:var(--grad);
    color:#fff
}
.btn-primary:hover {
    transform:translateY(-2px);
    filter:brightness(1.05)
}
.btn-ghost {
    border-color:var(--border);
    color:var(--text)
}
.btn-ghost:hover {
    border-color:var(--accent);
    color:var(--accent)
}
.hero .btn-ghost {
    color:#fff;
    border-color:rgba(255, 255, 255, .45);
    background:rgba(0, 0, 0, .18);
    backdrop-filter:blur(4px)
}
.hero .btn-ghost:hover {
    border-color:#fff;
    background:rgba(255, 255, 255, .15);
    color:#fff
}
/* ---------- Hero + 轮播 ---------- */
 .hero {
    position:relative;
    overflow:hidden;
    padding:120px 0 110px
}
.hero .wrap {
    position:relative;
    z-index:2
}
.hero-carousel {
    position:absolute;
    inset:0;
    z-index:0;
    overflow:hidden
}
.hero-carousel .slide {
    position:absolute;
    inset:0;
    background-size:cover;
    background-position:center;
    opacity:0;
    transform:scale(1.06);
    transition:opacity 1s ease, transform 6s ease;
    will-change:opacity
}
.hero-carousel .slide.active {
    opacity:1;
    transform:scale(1)
}
.hero-carousel .scrim {
    position:absolute;
    inset:0;
    background:linear-gradient(180deg, rgba(4, 8, 18, .45), rgba(4, 8, 18, .72))
}
.hero-arrow {
    position:absolute;
    top:50%;
    transform:translateY(-50%);
    z-index:3;
    width:46px;
    height:46px;
    border-radius:50%;
    border:1px solid rgba(255, 255, 255, .3);
    background:rgba(0, 0, 0, .25);
    color:#fff;
    font-size:24px;
    line-height:1;
    cursor:pointer;
    display:grid;
    place-items:center;
    transition:.2s
}
.hero-arrow.prev {
    left:18px
}
.hero-arrow.next {
    right:18px
}
.hero-arrow:hover {
    background:rgba(0, 0, 0, .5)
}
.hero-dots {
    position:absolute;
    bottom:26px;
    left:0;
    right:0;
    z-index:3;
    display:flex;
    gap:10px;
    justify-content:center
}
.hero-dots button {
    width:10px;
    height:10px;
    border-radius:50%;
    border:none;
    background:rgba(255, 255, 255, .4);
    cursor:pointer;
    padding:0;
    transition:.25s
}
.hero-dots button.active {
    background:#fff;
    width:28px;
    border-radius:6px
}
.hero .hero-text {
    color:#fff
}
.hero .hero-text .eyebrow {
    color:#fff;
    background:rgba(255, 255, 255, .14);
    border-color:rgba(255, 255, 255, .28)
}
.eyebrow {
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:13px;
    letter-spacing:1px;
    color:var(--accent);
    background:color-mix(in srgb, var(--accent) 12%, transparent);
    padding:7px 15px;
    border-radius:999px;
    margin-bottom:22px;
    border:1px solid var(--border)
}
.hero h1 {
    font-size:clamp(32px, 5.4vw, 58px);
    line-height:1.12;
    font-weight:800;
    letter-spacing:-.5px
}
.hero h1 .hl {
    background:var(--grad);
    -webkit-background-clip:text;
    background-clip:text;
    color:transparent
}
.hero p.lead {
    margin:22px auto 0;
    max-width:640px;
    font-size:clamp(16px, 2vw, 19px);
    color:rgba(255, 255, 255, .85)
}
.hero .cta {
    display:flex;
    gap:14px;
    margin-top:34px;
    flex-wrap:wrap
}
.hero.center {
    text-align:center
}
.hero.center .cta {
    justify-content:center
}
.hero.left {
    text-align:left
}
.hero.left .hero-text p.lead {
    margin-left:0
}
.hero.left .cta {
    justify-content:flex-start
}
.hero.split .split-grid {
    display:grid;
    grid-template-columns:1.1fr .9fr;
    gap:50px;
    align-items:center
}
.hero.split h1, .hero.split p.lead, .hero.split .cta {
    text-align:left;
    margin-left:0
}
.hero-visual {
    border-radius:var(--radius);
    padding:30px;
    min-height:300px;
    display:flex;
    flex-direction:column;
    justify-content:center;
    gap:16px
}
.hero-visual .ring {
    font-size:13px;
    color:var(--muted);
    display:flex;
    justify-content:space-between;
    align-items:center
}
.hero-visual .bar {
    height:10px;
    border-radius:999px;
    width:100%
}
.hero-visual .chart {
    display:flex;
    align-items:flex-end;
    gap:8px;
    height:120px;
    margin-top:8px
}
.hero-visual .chart i {
    flex:1;
    background:var(--grad);
    border-radius:6px 6px 0 0;
    opacity:.85
}
/* ---------- 区块标题 ---------- */
 .section-head {
    text-align:center;
    max-width:720px;
    margin:0 auto 54px
}
.section-title {
    position:relative;
    font-size:clamp(26px, 3.4vw, 38px);
    font-weight:800;
    display:inline-block
}
.section-title::after {
    content:"";
    position:absolute;
    left:50%;
    bottom:-14px;
    transform:translateX(-50%);
    width:54px;
    height:4px;
    border-radius:4px;
    background:var(--grad)
}
.section-head p {
    margin-top:26px;
    color:var(--muted);
    font-size:16px
}
.about .section-title, .about p {
    text-align:left
}
/* ---------- 关于 ---------- */
 .about-grid {
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:50px;
    align-items:center
}
.about p {
    color:var(--muted);
    margin-bottom:16px;
    font-size:16px
}
.about .tags {
    display:flex;
    flex-wrap:wrap;
    gap:10px;
    margin-top:8px
}
.about .tags span {
    border:1px solid var(--border);
    border-radius:999px;
    padding:7px 15px;
    font-size:13px;
    color:var(--text)
}
.info-card {
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:var(--radius);
    padding:24px
}
.license-img {
    width:100%;
    border-radius:12px;
    border:1px solid var(--border);
    background:var(--surface-2);
    display:block
}
.license-cap {
    font-size:12px;
    color:var(--muted);
    margin:12px 0 16px;
    text-align:center
}
.info-card dl {
    display:grid;
    grid-template-columns:auto 1fr;
    gap:11px 18px
}
.info-card dt {
    color:var(--muted);
    font-size:14px;
    white-space:nowrap
}
.info-card dd {
    font-size:14px;
    font-weight:600
}
/* ---------- 服务 ---------- */
 .grid {
    display:grid;
    gap:22px
}
.cards {
    grid-template-columns:repeat(auto-fit, minmax(260px, 1fr))
}
.card {
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:var(--radius);
    padding:30px;
    transition:.24s;
    position:relative;
    overflow:hidden
}
.card:hover {
    transform:translateY(-6px);
    box-shadow:var(--shadow);
    border-color:transparent
}
.card .ico {
    width:50px;
    height:50px;
    border-radius:13px;
    display:grid;
    place-items:center;
    background:color-mix(in srgb, var(--accent) 14%, transparent);
    margin-bottom:18px
}
.card .ico svg {
    width:26px;
    height:26px;
    stroke:var(--accent);
    fill:none;
    stroke-width:1.8
}
.card h3 {
    font-size:19px;
    margin-bottom:10px
}
.card p {
    color:var(--muted);
    font-size:15px
}
/* ---------- 技术优势 ---------- */
 .tech-grid {
    grid-template-columns:repeat(auto-fit, minmax(260px, 1fr))
}
.tech .num-badge {
    font-size:30px;
    font-weight:800;
    color:var(--accent);
    opacity:.5;
    line-height:1
}
.tech h3 {
    font-size:18px;
    margin:14px 0 8px
}
.tech p {
    color:var(--muted);
    font-size:15px
}
/* ---------- 数据 ---------- */
 .stats {
    display:grid;
    grid-template-columns:repeat(auto-fit, minmax(220px, 1fr));
    gap:22px;
    margin-top:10px
}
.stat {
    position:relative;
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:var(--radius);
    padding:28px 24px 26px;
    overflow:hidden;
    display:flex;
    flex-direction:column;
    gap:14px;
    transition:.24s
}
.stat:hover {
    transform:translateY(-5px);
    box-shadow:var(--shadow);
    border-color:transparent
}
.stat::before {
    content:"";
    position:absolute;
    top:0;
    left:0;
    right:0;
    height:4px;
    background:var(--grad)
}
.stat .ico-stat {
    width:48px;
    height:48px;
    border-radius:13px;
    display:grid;
    place-items:center;
    background:color-mix(in srgb, var(--accent) 13%, transparent)
}
.stat .ico-stat svg {
    width:26px;
    height:26px;
    stroke:var(--accent);
    fill:none;
    stroke-width:1.7
}
.stat .num {
    font-size:clamp(30px, 3.8vw, 36px);
    font-weight:800;
    background:var(--grad);
    -webkit-background-clip:text;
    background-clip:text;
    color:transparent;
    line-height:1.1
}
.stat .lab {
    font-size:16px;
    font-weight:600;
    color:var(--text)
}
.stat .desc {
    font-size:13px;
    color:var(--muted);
    line-height:1.6
}
/* ---------- 联系（无表单） ---------- */
 .contact-grid {
    display:grid;
    grid-template-columns:1.1fr .9fr;
    gap:40px;
    align-items:start
}
.contact-info {
    display:grid;
    gap:16px
}
.contact-row {
    display:flex;
    gap:14px;
    align-items:flex-start;
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:var(--radius);
    padding:20px
}
.contact-row .ico {
    width:42px;
    height:42px;
    border-radius:11px;
    flex:none;
    display:grid;
    place-items:center;
    background:color-mix(in srgb, var(--accent) 14%, transparent)
}
.contact-row .ico svg {
    width:22px;
    height:22px;
    stroke:var(--accent);
    fill:none;
    stroke-width:1.8
}
.contact-row h4 {
    font-size:14px;
    color:var(--muted);
    font-weight:600
}
.contact-row p {
    font-size:15px;
    font-weight:600;
    margin-top:3px
}
.qr {
    border:1px solid var(--border);
    border-radius:var(--radius);
    padding:26px;
    text-align:center;
    background:var(--surface)
}
.qr .box {
    width:150px;
    height:150px;
    margin:0 auto 14px;
    border-radius:12px;
    background:repeating-conic-gradient(var(--text) 0% 25%, var(--bg) 0% 50%) 50%/22px 22px
}
.qr img {
    border-radius:12px;
}
.qr p {
    color:var(--muted);
    font-size:13px
}
.note {
    margin-top:18px;
    font-size:13px;
    color:var(--muted);
    background:color-mix(in srgb, var(--accent) 8%, transparent);
    border:1px solid var(--border);
    border-radius:10px;
    padding:12px 14px
}
/* ---------- 页脚 ---------- */
 .footer {
    border-top:1px solid var(--border);
    background:var(--bg-2);
    padding:46px 0 30px
}
.footer .wrap {
    display:flex;
    flex-wrap:wrap;
    justify-content:space-between;
    gap:24px;
    align-items:flex-start
}
.footer .f-brand {
    max-width:320px
}
.footer .f-brand p {
    color:var(--muted);
    font-size:13px;
    margin-top:12px
}
.footer .f-meta {
    font-size:13px;
    color:var(--muted);
    text-align:right
}
.footer .f-meta a {
    color:var(--accent)
}
.disclaimer {
    margin-top:26px;
    padding-top:18px;
    border-top:1px solid var(--border);
    font-size:12px;
    color:var(--muted);
    text-align:center;
    line-height:1.8
}
/* ---------- 回到顶部 ---------- */
 .to-top {
    position:fixed;
    right:20px;
    bottom:22px;
    z-index:80;
    width:46px;
    height:46px;
    border-radius:50%;
    border:1px solid var(--border);
    background:var(--surface);
    color:var(--text);
    font-size:20px;
    cursor:pointer;
    opacity:0;
    pointer-events:none;
    transition:.3s;
    box-shadow:var(--shadow)
}
.to-top.show {
    opacity:1;
    pointer-events:auto
}
.to-top:hover {
    border-color:var(--accent);
    color:var(--accent)
}
/* ---------- 响应式 ---------- */
 @media (max-width:860px) {
    .about-grid, .contact-grid {
        grid-template-columns:1fr;
        gap:30px
    }
    .hero.split .split-grid {
        grid-template-columns:1fr;
        gap:34px
    }
    section {
        padding:64px 0
    }
}
@media (max-width:768px) {
    .nav-toggle {
        display:flex
    }
    .nav-links {
        position:absolute;
        top:100%;
        left:0;
        right:0;
        flex-direction:column;
        align-items:flex-start;
        gap:4px;
        background:var(--bg-2);
        padding:12px 22px 18px;
        border-bottom:1px solid var(--border);
        display:none
    }
    .nav-links.open {
        display:flex
    }
    .nav-links a {
        padding:10px 0;
        width:100%;
        font-size:16px
    }
    .nav-links a.active::after {
        display:none
    }
    .hero {
        padding:84px 0 72px
    }
    .hero-arrow {
        display:none
    }
    .hero.split .hero-visual {
        order:-1
    }
    .footer .wrap {
        flex-direction:column
    }
    .footer .f-meta {
        text-align:left
    }
}
@media (max-width:480px) {
    .stats {
        grid-template-columns:1fr
    }
    .cta .btn {
        flex:1;
        justify-content:center
    }
}
:root {
    --bg:#fbf7f0;
    --bg-2:#f3ece0;
    --surface:#ffffff;
    --surface-2:#f7f1e6;
    --text:#241c12;
    --muted:#7a6c55;
    --accent:#d97706;
    --accent-2:#b45309;
    --border:#e7ddc9;
    --shadow:0 18px 50px rgba(80, 55, 20, .12);
    --radius:12px;
    --grad:linear-gradient(120deg, var(--accent), var(--accent-2));
    --font:"Georgia", "Songti SC", "SimSun", serif;
    --sans:-apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}
.logo-mark {
    background:var(--grad);
    border-radius:50%;
}
.brand, .nav-links a, .btn, .stat .num, .section-title, .hero h1 {
    font-family:var(--sans)
}
.about p:first-of-type::first-letter {
    font-size:3.4em;
    line-height:.8;
    float:left;
    padding:6px 12px 0 0;
    color:var(--accent);
    font-weight:800;
}
.card {
    border:1px solid var(--border);
}