.page-hero {
background: linear-gradient(135deg, #1A0A0A 0%, #0F0F0F 60%, #1A0A0A 100%);
padding: 90px 0 100px;
position: relative;
overflow: hidden;
color: #fff;
}
.page-hero::before {
content: '';
position: absolute;
top: 0; right: 0; bottom: 0;
width: 90%;
background: var(--page-image) center/cover;
opacity: 0.75;
mask-image: linear-gradient(to left, black 30%, transparent 100%);
-webkit-mask-image: linear-gradient(to left, black 30%, transparent 100%);
}
.page-hero::after {
content: '';
position: absolute;
top: -100px; right: -100px;
width: 500px; height: 500px;
background: radial-gradient(circle, rgba(230,57,70,0.15) 0%, transparent 70%);
border-radius: 50%;
}

.page-hero .wrap {
    position: relative;
    padding-top: 65px
}

.page-hero h1 {
    font-size: 65px;
    line-height: 1.22;
    margin: 0 0 20px;
    letter-spacing: 2px;
}

.page-hero h1 em {
font-style: normal;
color: var(--red);
position: relative;
}

.page-hero p {
    font-size: 20px;
    font-weight: bold;
    line-height: 1.55;
    max-width: 650px;
    margin: 0 0 24px
}

.page-hero .actions {
    margin-top: 22px
}

.hero-tag {
    font-size: 13px;
    letter-spacing: 4px;
    color: #b9bdc3;
    margin-bottom: 17px
}

.metric-band {
    background: #f3f6fa
}

.metric-band .wrap {
    height: 170px;
    display: flex;
    align-items: center;
    justify-content: space-around
}

.metric-band .metric {
    flex: 1;
    border-right: 1px solid #c7ccd2;
    text-align: center
}

.metric-band .metric:last-child {
    border: 0
}

.metric-band strong {
    font-size: 36px;
    display: block
}

.metric-band span {
    font-size: 16px;
    color: #66717d
}

.content {
    max-width: 1400px;
    margin: auto;
    padding: 45px 26px
}

.content h2 {
    font-size: 32px;
    margin: 0 0 11px
}

.content h3 {
    font-size: 22px;
    margin: 0 0 12px
}

.content p {
    color: #66717d;
    font-size: 17px;
    line-height: 1.75
}

.title-row {
    display: flex;
    justify-content: space-between;
    align-items: center
}

.title-row a {
    font-weight: bold
}

.title-row a:hover {
    color: #f0293e
}

.tile-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 22px
}

.tile {
    background: #fff;
    border: 1px solid #e9edf2;
    overflow: hidden;
    transition: box-shadow 1s, transform .7s
}

.tile:hover {
    box-shadow: 0 14px 30px #1b293b22
}

.tile img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    transition: transform 1s
}

.tile:hover img {
    transform: scale(1.08)
}

.tile-body {
    padding: 22px
}

.tile-body h3 {
    margin: 0 0 8px
}

.tile-body p {
    margin: 0
}

.photo-tile {
    position: relative;
    height: 320px;
    overflow: hidden;
    color: #fff;
    background: #171b20
}

.photo-tile img {
    height: 100%
}

.photo-tile:after {
    content: "";
    position: absolute;
    inset: 35% 0 0;
    background: linear-gradient(transparent, #090c10dd)
}

.photo-tile .tile-body {
    position: absolute;
    bottom: 0;
    z-index: 1
}

.photo-tile .tile-body p {
    color: #e4e7eb
}

.icon-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin: 32px 0
}

.icon-box {
    padding: 20px;
    border: 1px solid #eef0f3;
    background: #fff;
    min-height: 150px
}

.icon-box img {
    width: 52px;
    height: 52px;
    display: block;
    margin-bottom: 12px
}

.icon-box h3 {
    font-size: 19px;
    margin: 0 0 5px
}

.icon-box p {
    font-size: 14px;
    margin: 0
}

.red {
    color: #f0293e
}

.soft {
    background: #f7f9fc
}

.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center
}

.two-col>img {
    width: 100%;
    height: 400px;
    object-fit: cover
}

.pill-tabs {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin: 15px 0
}

.pill-tabs button,
.line-tabs button {
    border: 0;
    background: #f2f4f7;
    padding: 12px 18px;
    color: #303843;
    font-size: 15px;
    cursor: pointer
}

.pill-tabs button.active,
.pill-tabs button:hover {
    color: #fff;
    background: #ef293e
}

.line-tabs {
    display: flex;
    justify-content: space-between;
    border-bottom: 1px solid #ddd
}

.line-tabs button {
    background: #fff;
    padding: 22px 14px
}

.line-tabs button.active {
    border-bottom: 3px solid #ef293e;
    color: #ef293e
}

.case-feature {
    display: grid;
    grid-template-columns: 1fr 1fr;
    margin: 25px 0;
    border: 1px solid #e9edf1
}

.case-feature>img {
    width: 100%;
    height: 450px;
    object-fit: cover
}

.case-feature>div {
    padding: 45px
}

.case-feature .btn {
    margin-top: 25px
}

.case-card-link {
    display: block;
    border: 1px solid #e8eaf0
}

.case-card-link:hover {
    color: #e9283c
}

.case-card-link img {
    width: 100%;
    height: 230px;
    object-fit: cover
}

.case-card-link div {
    padding: 20px
}

.case-card-link p {
    font-size: 14px
}

/* 链接区域 */
/* ========== 核心：页面导航按钮区 ========== */
        .page-nav-section {
            /* background: linear-gradient(135deg, #fafafa 0%, #f0f0f0 100%); */
            padding: 45px 5%;
            padding-bottom: 0;
            /* border-top: 1px solid #e8e8e8;
            border-bottom: 1px solid #e8e8e8; */
        }

        .page-nav-container {
            width: calc(100% - 90px);
            padding-bottom: 45px;
            border-bottom: 1px solid #e8e8e8;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* 导航按钮 — 主样式 */
        .page-nav-btn {
            position: relative;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 160px;
            height: 52px;
            padding: 0 28px;
            font-size: 15px;
            font-weight: 500;
            letter-spacing: 1px;
            text-decoration: none;
            color: #333;
            background: #fff;
            border: 1.5px solid #e0e0e0;
            border-radius: 4px;
            overflow: hidden;
            transition: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
            z-index: 1;
        }

        /* 悬停填充效果 */
        .page-nav-btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(120deg, #e60012 0%, #ff1a2e 100%);
            transition: left 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
            z-index: -1;
        }

        .page-nav-btn:hover::before {
            left: 0;
        }

        .page-nav-btn:hover {
            color: #fff;
            border-color: #e60012;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(230, 0, 18, 0.25);
        }

        /* 图标 — 通过 CSS 背景图引入 SVG */
        .page-nav-btn [class^="nav-icon-"] {
            display: inline-block;
            width: 20px;
            height: 20px;
            margin-right: 8px;
            background-repeat: no-repeat;
            background-position: center;
            background-size: 20px 20px;
            transition: transform 0.3s;
        }

        .page-nav-btn:hover [class^="nav-icon-"] {
            transform: scale(1.15);
        }

        /* 服务流程 */
        .nav-icon-1 {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23e60012' d='M4 4h6v6H4zm10 0h6v6h-6zM4 14h6v6H4zm8.5 1.4l3.6-3.6 1.4 1.4-3.6 3.6zm0 3.2l3.6-3.6 1.4 1.4-3.6 3.6z'/%3E%3C/svg%3E");
        }

        /* 服务范围 */
        .nav-icon-2 {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23e60012' d='M12 2L2 7v10l10 5 10-5V7zM12 4.2 19.5 8 12 11.8 4.5 8zM4 9.5l7 3.5v7.3l-7-3.5zm9 10.8v-7.3l7-3.5v7.3z'/%3E%3C/svg%3E");
        }

        /* 常见问题 */
        .nav-icon-3 {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23e60012' d='M12 2C6.5 2 2 6.5 2 12s4.5 10 10 10 10-4.5 10-10S17.5 2 12 2zm1 17h-2v-2h2zm2.1-5.9l-.9.9C13.3 14.2 13 14.9 13 15.5V16h-2v-.5c0-1 .3-1.7.9-2.3l1.2-1.2c.4-.4.6-.9.6-1.5a2 2 0 0 0-4 0H9a4 4 0 0 1 8 0c0 1.1-.5 2.1-1.1 2.6z'/%3E%3C/svg%3E");
        }

        /* 联系我们 */
        .nav-icon-4 {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23e60012' d='M20 4H4a2 2 0 0 0-2 2v12a2 2 0 0 0 2 2h16a2 2 0 0 0 2-2V6a2 2 0 0 0-2-2zm0 4-8 5-8-5V6l8 5 8-5z'/%3E%3C/svg%3E");
        }

        /* 悬停时切换为白色图标 */
        .page-nav-btn:hover .nav-icon-1 {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23ffffff' d='M4 4h6v6H4zm10 0h6v6h-6zM4 14h6v6H4zm8.5 1.4l3.6-3.6 1.4 1.4-3.6 3.6zm0 3.2l3.6-3.6 1.4 1.4-3.6 3.6z'/%3E%3C/svg%3E");
        }

        .page-nav-btn:hover .nav-icon-2 {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23ffffff' d='M12 2L2 7v10l10 5 10-5V7zM12 4.2 19.5 8 12 11.8 4.5 8zM4 9.5l7 3.5v7.3l-7-3.5zm9 10.8v-7.3l7-3.5v7.3z'/%3E%3C/svg%3E");
        }

        .page-nav-btn:hover .nav-icon-3 {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23ffffff' d='M12 2C6.5 2 2 6.5 2 12s4.5 10 10 10 10-4.5 10-10S17.5 2 12 2zm1 17h-2v-2h2zm2.1-5.9l-.9.9C13.3 14.2 13 14.9 13 15.5V16h-2v-.5c0-1 .3-1.7.9-2.3l1.2-1.2c.4-.4.6-.9.6-1.5a2 2 0 0 0-4 0H9a4 4 0 0 1 8 0c0 1.1-.5 2.1-1.1 2.6z'/%3E%3C/svg%3E");
        }

        .page-nav-btn:hover .nav-icon-4 {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23ffffff' d='M20 4H4a2 2 0 0 0-2 2v12a2 2 0 0 0 2 2h16a2 2 0 0 0 2-2V6a2 2 0 0 0-2-2zm0 4-8 5-8-5V6l8 5 8-5z'/%3E%3C/svg%3E");
        }

        /* 按钮之间的分隔点 */
        .page-nav-divider {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: #ccc;
            flex-shrink: 0;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 768px) {
            .page-nav-container {
                gap: 10px;
            }

            .page-nav-btn {
                min-width: 130px;
                height: 46px;
                font-size: 14px;
                padding: 0 18px;
            }

            .page-nav-divider {
                display: none;
            }

            .stats-section {
                gap: 40px;
                padding: 40px 5%;
            }

            .stat-number {
                font-size: 32px;
            }
        }

        @media (max-width: 480px) {
            .page-nav-btn {
                min-width: 100%;
                margin-bottom: 8px;
            }
        }
/* 文章区域 */
.article-layout {
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(280px, 1fr);
    gap: 38px
}

.article-item {
    display: grid;
    grid-template-columns: 35% 1fr;
    gap: 25px;
    border-bottom: 1px solid #e9eaf0;
    padding: 20px 0
}

.article-item img {
    width: 100%;
    height: 190px;
    object-fit: cover
}

.article-item h3 {
    font-size: 23px
}

.article-item small {
    color: #89919a
}

.sidebar-card {
    background: #fff;
    border: 1px solid #e7eaf0;
    padding: 25px;
    margin-bottom: 25px
}

.sidebar-card h3 {
    font-size: 24px
}

.sidebar-card a {
    display: block;
    padding: 12px 0;
    border-bottom: 1px solid #f0f1f3
}

.sidebar-card a:hover {
    color: #f0293e
}

.searchbar {
    display: flex;
    width: min(780px, 100%);
    height: 60px
}

.searchbar input {
    flex: 1;
    min-width: 0;
    border: 1px solid #ddd;
    padding: 0 18px;
    font-size: 16px
}

.searchbar button {
    background: #ed273c;
    color: white;
    border: 0;
    padding: 0 30px
}

.article-hero {
    height: 350px
}

.article-body {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 50px
}

.toc {
    position: sticky;
    top: 20px;
    align-self: start;
    background: #fafbfd;
    padding: 25px
}

.toc a {
    display: block;
    padding: 13px 5px;
    border-bottom: 1px solid #eee
}

.toc a:hover {
    color: #f0293e
}

.prose h2 {
    border-left: 4px solid #f0293e;
    padding-left: 15px;
    margin-top: 35px
}

.prose img {
    width: 100%;
    max-height: 320px;
    object-fit: cover
}

.prose p {
    font-size: 18px;
    line-height: 1.9
}

.highlight {
    padding: 22px;
    background: #fff1f3;
    color: #333;
    border-radius: 6px
}

.timeline {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    border-top: 2px solid #f79aa4;
    margin: 60px 0 20px
}

.timeline div {
    position: relative;
    flex: 1;
    padding-top: 25px
}

.timeline div:before {
    content: "";
    position: absolute;
    top: -9px;
    left: 0;
    width: 15px;
    height: 15px;
    background: #ed293e;
    border: 3px solid white;
    border-radius: 50%;
    box-shadow: 0 0 0 1px #ed293e
}

.timeline b {
    color: #ec273a
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 55px
}

.form-card {
    border: 1px solid #e7eaf0;
    padding: 30px
}

.form-fields {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px
}

.form-fields label {
    font-weight: bold
}

.form-fields input,
.form-fields select,
.form-fields textarea {
    display: block;
    width: 100%;
    margin-top: 8px;
    border: 1px solid #dce1e7;
    padding: 14px;
    font: inherit
}

.form-fields .full {
    grid-column: 1/-1
}

.form-card button {
    margin-top: 22px;
    width: 100%
}

.form-message {
    color: #d52338;
    min-height: 24px
}

.contact-info p {
    font-size: 18px
}

.contact-info img {
    width: 100%;
    height: 290px;
    object-fit: cover
}

.accordion button {
    width: 100%;
    background: #fff;
    border: 1px solid #e7eaf0;
    text-align: left;
    padding: 18px;
    font: inherit;
    font-weight: bold
}

.accordion .panel {
    display: none;
    padding: 18px;
    border: 1px solid #eee
}

.accordion.open .panel {
    display: block
}

.filter-count {
    color: #888;
    font-size: 14px
}

.detail-stat {
    display: flex;
    justify-content: space-around;
    margin: 30px 0;
    background: #f5f7fa;
    padding: 25px
}

.detail-stat strong {
    font-size: 35px;
    color: #e8273b
}

.detail-stat span {
    display: block
}

.footer-callout {
    background: linear-gradient(110deg, #1a1b1f, #500a12);
    color: #fff;
    padding: 30px 0
}

.footer-callout .wrap {
    display: flex;
    justify-content: space-between;
    align-items: center
}

.footer-callout h2 {
    margin: 0
}

.no-results {
    padding: 45px;
    text-align: center;
    color: #777
}

@media(max-width:800px) {
    .page-hero {
        height: 440px
    }

    .page-hero h1 {
        font-size: 42px
    }

    .page-hero:before {
        background-position: 55% center
    }

    .metric-band .wrap {
        height: auto;
        padding: 20px;
        flex-wrap: wrap
    }

    .metric-band .metric {
        min-width: 45%;
        padding: 12px
    }

    .tile-grid,
    .icon-grid {
        grid-template-columns: repeat(2, 1fr)
    }

    .two-col,
    .case-feature,
    .article-layout,
    .article-body,
    .contact-grid {
        grid-template-columns: 1fr
    }

    .toc {
        position: static
    }

    .case-feature>img {
        height: 300px
    }

    .timeline {
        flex-wrap: wrap
    }

    .timeline div {
        min-width: 40%
    }
}

@media(max-width:550px) {

    .tile-grid,
    .icon-grid,
    .form-fields {
        grid-template-columns: 1fr
    }

    .article-item {
        grid-template-columns: 1fr
    }

    .article-item img {
        height: 210px
    }

    .footer-callout .wrap {
        display: block
    }

    .page-hero .wrap {
        padding-top: 45px
    }

    .page-hero h1 {
        font-size: 37px
    }

    .page-hero p {
        font-size: 16px
    }

    .content {
        padding: 30px 20px
    }

    .case-feature>div {
        padding: 25px
    }

    .line-tabs {
        overflow-x: auto
    }

    .line-tabs button {
        white-space: nowrap
    }
}