:root {
    --ink: #0e1d2b;
    --ink-2: #172b40;
    --bg: #f2f6f9;
    --orange: #ff6a21;
    --orange-dark: #e95712;
    --cream: #eaf3fa;
    --brown: #a84d1d;
    --deeper: #091521;
    --text: #42566a;
    --muted: #708398;
    --line: #d8e3ec;
    --shadow: 0 18px 42px rgba(14, 29, 43, .12)
}

h1,
h2,
h3 {
    text-wrap: balance
}

* {
    box-sizing: border-box
}

html {
    scroll-behavior: smooth
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
    line-height: 1.65
}

a {
    color: inherit;
    text-decoration: none
}

button,
input,
textarea {
    font: inherit
}

.frame {
    width: min(1200px, calc(100% - 48px));
    margin: auto
}

.top {
    height: 80px;
    background: rgba(255, 255, 255, .92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(20, 24, 31, .08);
    position: sticky;
    top: 0;
    z-index: 30
}

.top .frame {
    height: 100%;
    display: flex;
    align-items: center;
    gap: 32px
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--ink);
    font-size: 22px;
    font-weight: 900;
    letter-spacing: -1px;
    white-space: nowrap
}

.brand img {
    width: 38px;
    height: 38px;
    border-radius: 11px;
    box-shadow: 0 8px 16px rgba(232, 90, 43, .2)
}

.nav {
    display: flex;
    align-items: center;
    gap: 26px;
    margin-left: auto
}

.nav a,
.nav-trigger {
    color: var(--ink);
    font-size: 14px;
    font-weight: 800;
    position: relative;
    background: none;
    border: 0;
    padding: 29px 0;
    cursor: pointer
}

.nav a.active,
.nav-trigger.active {
    color: var(--orange)
}

.nav a.active:after,
.nav-trigger.active:after {
    content: "";
    height: 3px;
    background: var(--orange);
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0
}

.nav-more {
    position: relative
}

.nav-dropdown {
    display: none;
    position: absolute;
    top: 70px;
    right: -18px;
    width: 154px;
    padding: 9px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 12px;
    box-shadow: var(--shadow)
}

.nav-more.open .nav-dropdown {
    display: grid
}

.nav-dropdown a {
    padding: 9px 10px
}

.top-cta,
.button {
    border: 0;
    background: var(--orange);
    color: #fff;
    border-radius: 8px;
    padding: 12px 17px;
    font-weight: 900;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: transform .2s, background .2s, box-shadow .2s;
    cursor: pointer
}

.top-cta:hover,
.button:hover {
    background: var(--orange-dark);
    transform: translateY(-1px);
    box-shadow: 0 10px 20px rgba(232, 90, 43, .22)
}

.top-cta {
    padding: 10px 15px
}

.menu-toggle {
    display: none;
    margin-left: auto;
    width: 42px;
    height: 42px;
    border: 1px solid var(--line);
    background: #fff;
    border-radius: 10px;
    position: relative
}

.menu-toggle span,
.menu-toggle:before,
.menu-toggle:after {
    content: "";
    position: absolute;
    left: 12px;
    right: 12px;
    height: 2px;
    background: var(--ink);
    transition: .2s
}

.menu-toggle:before {
    top: 14px
}

.menu-toggle span {
    top: 20px
}

.menu-toggle:after {
    top: 26px
}

.menu-toggle.open span {
    opacity: 0
}

.menu-toggle.open:before {
    top: 20px;
    transform: rotate(45deg)
}

.menu-toggle.open:after {
    top: 20px;
    transform: rotate(-45deg)
}

.footer {
    background: var(--deeper);
    color: #d5d9df;
    padding: 56px 0 20px;
    position: relative;
    overflow: hidden
}

.footer:after {
    content: "";
    position: absolute;
    width: 270px;
    height: 270px;
    border: 1px solid rgba(255, 122, 61, .22);
    border-radius: 50%;
    right: -88px;
    bottom: -128px
}

.site-footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.2fr;
    gap: 34px;
    position: relative;
    z-index: 1
}

.site-footer-brand p,
.site-footer-contact small {
    font-size: 13px;
    color: #aab5c3;
    display: block
}

.site-footer-grid b {
    display: block;
    color: #ffd3bf;
    margin-bottom: 12px
}

.site-footer-grid a:not(.brand) {
    display: block;
    font-size: 14px;
    margin: 9px 0
}

.site-footer-grid a:not(.brand):hover {
    color: var(--orange)
}

.site-footer-bottom {
    position: relative;
    z-index: 1;
    border-top: 1px solid rgba(255, 255, 255, .13);
    margin-top: 36px;
    padding-top: 16px;
    display: flex;
    justify-content: space-between;
    color: #8692a1
}

.eyebrow {
    margin: 0;
    color: var(--orange);
    font-size: 12px;
    letter-spacing: .14em;
    font-weight: 900;
    text-transform: uppercase
}

.section {
    padding: 104px 0;
    position: relative
}

.section-light {
    background: var(--bg)
}

.section-dark {
    background: var(--ink-2);
    color: #fff
}

.section-deep {
    background: var(--ink);
    color: #fff
}

.grid-texture {
    background-color: #f5f7fa;
    background-image: linear-gradient(rgba(31, 41, 55, .045) 1px, transparent 1px), linear-gradient(90deg, rgba(31, 41, 55, .045) 1px, transparent 1px);
    background-size: 28px 28px
}

.section-title {
    display: flex;
    justify-content: space-between;
    align-items: end;
    gap: 56px;
    margin-bottom: 42px
}

.section-title>div {
    max-width: 650px
}

.section-title h2 {
    font-size: clamp(36px, 4vw, 58px);
    letter-spacing: -3px;
    line-height: 1.08;
    color: var(--ink);
    margin: 9px 0 0
}

.section-title>p {
    margin: 0;
    max-width: 410px;
    font-size: 16px;
    color: var(--muted)
}

.light-title h2 {
    color: #fff
}

.light-title>p {
    color: #c7d0dc
}

.text-link {
    font-weight: 900;
    color: var(--ink);
    padding: 10px 2px;
    display: inline-flex;
    align-items: center;
    gap: 8px
}

.text-link:after,
.link-arrow:after {
    content: "";
    width: 7px;
    height: 7px;
    border-top: 2px solid currentColor;
    border-right: 2px solid currentColor;
    transform: rotate(45deg);
    display: inline-block
}

.button-outline {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, .35)
}

@media(max-width:900px) {
    .top {
        height: 70px
    }

    .top .frame {
        gap: 12px
    }

    .nav,
    .top-cta {
        display: none
    }

    .menu-toggle {
        display: block
    }

    .nav.is-open {
        display: flex;
        position: absolute;
        left: 0;
        right: 0;
        top: 70px;
        padding: 10px 24px 22px;
        background: #fff;
        border-bottom: 1px solid var(--line);
        box-shadow: var(--shadow);
        flex-direction: column;
        align-items: stretch;
        gap: 0
    }

    .nav.is-open>a,
    .nav.is-open .nav-trigger {
        padding: 12px 0;
        text-align: left
    }

    .nav-more {
        display: contents
    }

    .nav-dropdown {
        display: contents
    }

    .nav-dropdown a {
        padding: 12px 0
    }

    .nav-trigger {
        display: none
    }

    .section {
        padding: 72px 0
    }

    .section-title {
        display: block
    }

    .section-title>p {
        margin-top: 16px
    }

    .site-footer-grid {
        grid-template-columns: 1fr 1fr
    }

    .site-footer-brand {
        grid-column: 1/-1
    }

    .footer {
        padding-top: 42px
    }
}

@media(max-width:560px) {
    .frame {
        width: min(100% - 32px, 1200px)
    }

    .brand {
        font-size: 19px
    }

    .brand img {
        width: 34px;
        height: 34px
    }

    .section {
        padding: 58px 0
    }

    .section-title h2 {
        font-size: 36px;
        letter-spacing: -2px
    }

    .site-footer-grid {
        grid-template-columns: 1fr
    }

    .site-footer-brand {
        grid-column: auto
    }

    .site-footer-bottom {
        display: block
    }

    .site-footer-bottom small {
        display: block;
        margin: 8px 0
    }
}

/* V29: prevent stretched title blocks on desktop */
.section-title {
    display: grid;
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: end;
    gap: 40px;
    margin-bottom: 42px
}

.section-title>div {
    max-width: none;
    min-width: 0
}

.section-title>p {
    max-width: 360px
}

.top {
    height: 88px
}

.top .frame {
    gap: 44px
}

.nav {
    gap: 36px
}

.nav a,
.nav-trigger {
    font-size: 16px;
    padding: 33px 0
}

.nav-dropdown {
    top: 78px
}

.nav-dropdown a {
    font-size: 14px;
    padding: 11px 12px
}

/* 网站底部备案内容css 勿动*/
.police-span{
    display: flex;
    align-items: center;
}
.police{
    width: 15px;
    height: 15px;
    display: block;
    background: url(./assets/police.png) no-repeat center;
    margin-right: 5px;
}