:root {
    --bg: #f5f8fa;
    --bg2: #ffffff;
    --ink: #102437;
    --muted: #607080;
    --rule: #dce5ea;
    --accent: #0b6b78;
    --accent2: #c79a3b;
    --navy: #092033;
    --teal: #0f8793;
    --soft: #e8f4f5;
    --gold-soft: #fbf3df;
    --shadow: 0 18px 50px rgba(9, 32, 51, .10);
    --radius: 22px;
}

* {
    box-sizing: border-box
}

body {
    margin: 0;
    font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
    background: var(--bg);
    color: var(--ink);
    line-height: 1.72
}

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

img {
    max-width: 100%;
    display: block
}

.container {
    width: min(1180px, 92vw);
    margin: 0 auto
}

.topbar {
    background: var(--navy);
    color: #fff;
    font-size: 13px
}

.topbar .container {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding: 8px 0;
    flex-wrap: wrap
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(255, 255, 255, .94);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--rule)
}

.navrow {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
    gap: 20px
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px
}

.brandmark {
    width: 44px;
    height: 44px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--navy), var(--teal));
    display: grid;
    place-items: center;
    color: #fff;
    font-weight: 800;
    letter-spacing: .04em
}

.brandname strong {
    display: block;
    font-size: 18px;
    line-height: 1.2;
    font-weight: 700
}

.brandname strong span {
    font-size: inherit;
    color: inherit;
    font-weight: inherit
}

.brandname > span {
    font-size: 12px;
    color: var(--muted)
}

.nav {
    display: flex;
    gap: 4px;
    align-items: center;
    flex-wrap: wrap;
    justify-content: flex-end
}

.nav a {
    padding: 9px 12px;
    border-radius: 999px;
    color: var(--ink);
    font-size: 14px
}

.nav a:hover, .nav a.active {
    background: var(--soft);
    color: var(--accent)
}

.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 1px solid var(--rule);
    border-radius: 12px;
    background: var(--bg2);
    cursor: pointer;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 0;
    flex-shrink: 0
}

.nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--ink);
    border-radius: 2px;
    transition: transform .3s, opacity .3s
}

.nav-toggle.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg)
}

.nav-toggle.open span:nth-child(2) {
    opacity: 0
}

.nav-toggle.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg)
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    padding: 12px 20px;
    background: var(--accent);
    color: #fff;
    font-weight: 700;
    border: 1px solid var(--accent);
    box-shadow: 0 10px 22px rgba(11, 107, 120, .18)
}

.btn.alt {
    background: transparent;
    color: var(--accent);
    box-shadow: none
}

.btn.gold {
    background: var(--accent2);
    border-color: var(--accent2);
    color: #fff
}

.hero {
    position: relative;
    min-height: 620px;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--navy);
    color: #fff
}

.hero img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: .58
}

.hero:after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(9, 32, 51, .92), rgba(9, 32, 51, .55), rgba(9, 32, 51, .1))
}

.hero .container {
    position: relative;
    z-index: 2
}

.eyebrow {
    display: inline-flex;
    gap: 8px;
    align-items: center;
    color: var(--accent2);
    font-weight: 800;
    letter-spacing: .08em;
    font-size: 13px
}

h1 {
    font-size: clamp(34px, 5vw, 64px);
    line-height: 1.08;
    margin: 18px 0 18px;
    letter-spacing: -.04em;
    white-space: nowrap
}

.section > .container > h1 {
    font-size: clamp(24px, 4vw, 32px);
    line-height: 1.4;
    margin: 10px 0 0;
    letter-spacing: 0;
    white-space: normal;
    font-weight: 700
}

.hero p {
    font-size: 18px;
    max-width: 680px;
    color: rgba(255, 255, 255, .88)
}

.hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 30px
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, minmax(120px, 1fr));
    gap: 14px;
    margin-top: 46px;
    max-width: 760px
}

.stat {
    background: rgba(255, 255, 255, .1);
    border: 1px solid rgba(255, 255, 255, .18);
    border-radius: 18px;
    padding: 16px;
    backdrop-filter: blur(12px)
}

.stat strong {
    display: block;
    font-size: 28px
}

.stat span {
    font-size: 13px;
    color: rgba(255, 255, 255, .75)
}

.section {
    padding: 86px 0
}

.section.alt {
    background: var(--bg2)
}

.section-title {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 12px;
    margin-bottom: 34px
}

.section-title h2 {
    font-size: clamp(28px, 3vw, 42px);
    line-height: 1.16;
    margin: 0;
    letter-spacing: -.03em
}

.section-title p {
    max-width: 720px;
    color: var(--muted);
    margin: 0;
    text-align: center
}

.grid {
    display: grid;
    gap: 22px
}

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

.grid.cols-3 {
    grid-template-columns: repeat(3, 1fr)
}

.grid.cols-4 {
    grid-template-columns: repeat(4, 1fr)
}

.card {
    background: var(--bg2);
    border: 1px solid var(--rule);
    border-radius: var(--radius);
    padding: 26px;
    box-shadow: var(--shadow)
}

.card.flat {
    box-shadow: none
}

.card h3 {
    font-size: 21px;
    margin: 0 0 10px
}

.card p {
    color: var(--muted);
    margin: 0
}

.icon {
    width: 46px;
    height: 46px;
    border-radius: 16px;
    background: var(--soft);
    display: grid;
    place-items: center;
    color: var(--accent);
    font-weight: 900;
    margin-bottom: 16px
}

.image-card {
    overflow: hidden;
    border-radius: var(--radius);
    background: var(--bg2);
    box-shadow: var(--shadow);
    border: 1px solid var(--rule)
}

.image-card img {
    height: 300px;
    width: 100%;
    object-fit: cover
}

.image-card .body {
    padding: 24px
}

.split {
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: 34px;
    align-items: center
}

.split img {
    border-radius: var(--radius);
    box-shadow: var(--shadow)
}

.pill-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 18px
}

.pill {
    background: var(--soft);
    color: var(--accent);
    border: 1px solid var(--rule);
    border-radius: 999px;
    padding: 8px 12px;
    font-size: 13px;
    font-weight: 700
}

.steps {
    counter-reset: s;
    display: grid;
    gap: 14px
}

.step {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 16px;
    align-items: start;
    background: var(--bg2);
    border: 1px solid var(--rule);
    border-radius: 18px;
    padding: 18px
}

.step:before {
    counter-increment: s;
    content: counter(s);
    width: 34px;
    height: 34px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: var(--accent);
    color: #fff;
    font-weight: 800
}

.table-wrap {
    overflow-x: auto;
    border: 1px solid var(--rule);
    border-radius: 18px;
    background: var(--bg2)
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 15px 16px;
    border-bottom: 1px solid var(--rule);
    text-align: left;
    vertical-align: top
}

th {
    background: var(--soft);
    color: var(--ink)
}

td {
    color: var(--muted)
}

tbody tr:nth-child(even) {
    background: rgba(232, 244, 245, .4)
}

tbody tr:hover {
    background: var(--soft)
}

td strong {
    color: var(--accent)
}

.faq-item {
    border: 1px solid var(--rule);
    border-radius: 18px;
    background: var(--bg2);
    overflow: hidden
}

.faq-q {
    width: 100%;
    text-align: left;
    background: transparent;
    border: 0;
    padding: 20px 22px;
    font: inherit;
    font-weight: 800;
    color: var(--ink);
    cursor: pointer;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 16px
}

.faq-q .faq-q-text {
    flex: 1;
    text-align: left
}

.faq-q > span {
    margin-left: auto;
    flex-shrink: 0
}

.faq-a {
    display: none;
    padding: 0 22px 22px;
    color: var(--muted)
}

.faq-item.open .faq-a {
    display: block
}

.page-hero {
    padding: 86px 0 58px;
    background: linear-gradient(135deg, var(--navy), var(--accent));
    color: #fff
}

.page-hero p {
    max-width: 740px;
    color: rgba(255, 255, 255, .82);
    font-size: 17px
}

.page-hero h1 {
    white-space: normal;
    overflow-wrap: anywhere;
    margin-bottom: 14px;
}

/* ===== 资讯详情页 banner：标题为整条新闻标题，需允许换行并压缩字号 ===== */
/* 用 .page-hero.page-hero--article 提升特异性，避免被上方 .page-hero h1 与响应式规则覆盖 */
.page-hero.page-hero--article h1 {
    font-size: clamp(24px, 3.1vw, 42px);
    line-height: 1.34;
    letter-spacing: 0;
    text-wrap: balance;
    max-width: 920px;
    margin: 16px 0 18px
}

.page-hero.page-hero--article p {
    max-width: 820px;
    line-height: 1.72
}

/* 面包屑末级为完整标题，过长时单行省略，避免把整个面包屑挤成多行 */
.page-hero--article .breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 4px 7px;
    margin-bottom: 14px
}

.page-hero--article .breadcrumb .sep {
    opacity: .55
}

.breadcrumb-current {
    min-width: 0;
    flex: 0 1 auto;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: rgba(255, 255, 255, .92);
    font-weight: 600
}

.article-meta {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    color: var(--muted);
    font-size: 13px
}

.tag {
    background: var(--gold-soft);
    color: #8a6418;
    border-radius: 999px;
    padding: 5px 10px;
    font-size: 12px;
    font-weight: 700
}

.article-body {
    max-width: 860px;
    margin: 0 auto
}

.article-body h2 {
    font-size: 28px;
    margin-top: 42px
}

.article-body p {
    font-size: 17px;
    color: #3f5060
}

.notice {
    background: var(--gold-soft);
    border-left: 4px solid var(--accent2);
    padding: 18px 20px;
    border-radius: 14px;
    color: #634815
}

.footer {
    background: var(--navy);
    color: #fff;
    padding: 56px 0 28px
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px
}

.footer a, .footer p {
    color: rgba(255, 255, 255, .74)
}

.footer h3 {
    margin-top: 0
}

.legal {
    display: flex;
    justify-content: space-between;
    gap: 14px;
    align-items: center;
    border-top: 1px solid rgba(255, 255, 255, .15);
    margin-top: 34px;
    padding-top: 22px;
    flex-wrap: wrap
}

.legal-links {
    margin-left: auto;
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    justify-content: flex-end
}

.floating-legal {
    position: fixed;
    right: 18px;
    bottom: 18px;
    z-index: 30;
    background: rgba(255, 255, 255, .95);
    border: 1px solid var(--rule);
    box-shadow: var(--shadow);
    border-radius: 999px;
    padding: 9px 12px;
    display: flex;
    gap: 8px;
    font-size: 12px
}

.floating-legal a {
    color: var(--accent);
    font-weight: 700
}

.backtop {
    position: fixed;
    right: 22px;
    bottom: 72px;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 0;
    background: var(--accent);
    color: #fff;
    box-shadow: var(--shadow);
    cursor: pointer;
    display: none
}

.backtop.show {
    display: block
}

.breadcrumb {
    font-size: 13px;
    color: rgba(255, 255, 255, .72);
    margin-bottom: 10px
}

.breadcrumb a {
    text-decoration: underline
}

.article-card {
    cursor: pointer;
    transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease
}

.article-card:hover {
    transform: translateY(-4px);
    border-color: rgba(11, 107, 120, .35);
    box-shadow: 0 22px 60px rgba(9, 32, 51, .14)
}

.article-card:focus-within {
    outline: 2px solid var(--accent);
    outline-offset: 3px
}

.jump-panel {
    margin-top: 44px;
    padding: 24px;
    border: 1px solid var(--rule);
    border-radius: var(--radius);
    background: var(--bg2);
    box-shadow: var(--shadow)
}

.jump-panel h3 {
    margin: 0 0 14px;
    font-size: 22px
}

.jump-links {
    display: flex;
    gap: 12px;
    flex-wrap: wrap
}

.link-note {
    font-size: 13px;
    color: var(--muted);
    margin-top: 10px
}

.no-orphan-nowrap {
    white-space: nowrap
}

@media (max-width: 1024px) {
    .container {
        width: min(94vw, 920px)
    }

    .grid.cols-4 {
        grid-template-columns: repeat(2, 1fr)
    }

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

    .hero-stats {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        max-width: 100%
    }
}

@media (max-width: 900px) {
    .topbar .container {
        justify-content: center;
        text-align: center
    }

    .site-header {
        position: sticky;
        top: 0
    }

    .navrow {
        align-items: center;
        flex-direction: row;
        justify-content: space-between;
        padding: 12px 0;
        gap: 12px;
        position: relative
    }

    .brand {
        justify-content: flex-start
    }

    .nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--bg2);
        border: 1px solid var(--rule);
        box-shadow: var(--shadow);
        padding: 12px;
        gap: 4px;
        z-index: 30;
        border-radius: 0 0 18px 18px;
        max-height: calc(100vh - 120px);
        overflow-y: auto
    }

    .nav.mobile-open {
        display: flex
    }

    .nav a {
        width: 100%;
        text-align: center;
        padding: 12px 8px;
        border-radius: 12px;
        background: var(--soft);
        flex: none
    }

    .nav-toggle {
        display: flex
    }

    .hero {
        min-height: auto;
        padding: 76px 0 58px
    }

    .hero:after {
        background: linear-gradient(180deg, rgba(9, 32, 51, .92), rgba(9, 32, 51, .70))
    }

    .hero .container {
        text-align: center
    }

    h1 {
        font-size: clamp(32px, 9vw, 46px);
        letter-spacing: -.03em;
        white-space: normal
    }

    .hero p {
        font-size: 16px;
        max-width: 100%;
        margin-left: auto;
        margin-right: auto
    }

    .hero-actions {
        justify-content: center
    }

    .hero-actions .btn {
        min-width: 180px
    }

    .hero-stats {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 10px;
        margin-top: 30px
    }

    .stat {
        padding: 14px
    }

    .stat strong {
        font-size: 24px
    }

    .section {
        padding: 62px 0
    }

    .section-title {
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 12px;
        margin-bottom: 26px
    }

    .section-title p {
        max-width: 100%
    }

    .grid.cols-4, .grid.cols-3, .grid.cols-2, .split, .footer-grid {
        grid-template-columns: 1fr
    }

    .split {
        gap: 24px
    }

    .split img {
        width: 100%;
        max-height: 360px;
        object-fit: cover
    }

    .image-card img {
        height: 230px
    }

    .card, .image-card .body {
        padding: 22px
    }

    .page-hero {
        padding: 62px 0 44px;
        text-align: center
    }

    .page-hero p {
        font-size: 16px;
        margin-left: auto;
        margin-right: auto
    }

    .breadcrumb {
        text-align: center
    }

    .steps {
        gap: 12px
    }

    .step {
        grid-template-columns: 1fr;
        padding: 18px;
        text-align: center
    }

    .step:before {
        margin: 0 auto
    }

    .table-wrap {
        border-radius: 16px
    }



    th, td {
        padding: 13px 14px
    }

    .faq-q {
        padding: 18px;
        font-size: 15px
    }

    .faq-a {
        padding: 0 18px 18px
    }

    .article-body p {
        font-size: 16px
    }

    .jump-panel {
        padding: 20px;
        margin-top: 32px
    }

    .jump-links .btn {
        width: 100%;
        white-space: normal;
        text-align: center
    }

    .footer {
        padding: 42px 0 92px
    }

    .footer-grid {
        text-align: center;
        gap: 20px
    }

    .legal {
        justify-content: center;
        text-align: center
    }

    .legal-links {
        margin-left: 0;
        justify-content: center
    }

    .floating-legal {
        left: 12px;
        right: 12px;
        bottom: 12px;
        justify-content: center;
        border-radius: 18px;
        flex-wrap: wrap
    }

    .backtop {
        right: 16px;
        bottom: 82px
    }
}

@media (max-width: 560px) {
    .container {
        width: min(92vw, 520px)
    }

    .topbar {
        font-size: 12px
    }

    .brandmark {
        width: 40px;
        height: 40px;
        border-radius: 14px;
        font-size: 13px
    }

    .brandname strong {
        font-size: 16px
    }

    .brandname > span {
        font-size: 11px
    }

    .nav a {
        font-size: 13px;
        padding: 10px 8px
    }

    .hero {
        padding: 58px 0 46px
    }

    .hero img {
        opacity: .42
    }

    .eyebrow {
        font-size: 12px;
        letter-spacing: .04em;
        justify-content: center
    }

    h1 {
        font-size: clamp(30px, 10vw, 38px)
    }

    .hero-actions {
        flex-direction: column;
        align-items: stretch
    }

    .btn {
        width: 100%;
        padding: 12px 16px;
        white-space: normal;
        text-align: center
    }

    .hero-stats {
        grid-template-columns: 1fr 1fr
    }

    .stat strong {
        font-size: 22px
    }

    .section {
        padding: 48px 0
    }

    .section-title h2 {
        font-size: clamp(25px, 8vw, 34px)
    }

    .card {
        padding: 20px;
        border-radius: 18px
    }

    .card h3 {
        font-size: 19px
    }

    .image-card {
        border-radius: 18px
    }

    .image-card img {
        height: 210px
    }

    .image-card .body {
        padding: 20px
    }

    .split img {
        max-height: 260px;
        border-radius: 18px
    }

    .pill-list {
        justify-content: center
    }

    .pill {
        font-size: 12px;
        padding: 7px 10px
    }

    .page-hero {
        padding: 52px 0 38px
    }

    .page-hero h1 {
        font-size: clamp(30px, 9vw, 38px)
    }

    .page-hero.page-hero--article h1 {
        font-size: clamp(21px, 6.4vw, 28px);
        line-height: 1.42;
        margin: 14px 0 16px
    }

    .page-hero.page-hero--article p {
        font-size: 15px
    }

    .article-meta {
        justify-content: center
    }

    .article-body h2 {
        font-size: 24px;
        margin-top: 32px
    }

    .notice {
        padding: 16px
    }

    .footer-grid {
        text-align: left
    }

    .footer h3 {
        text-align: left
    }

    .footer p {
        text-align: left
    }

    .legal, .legal-links {
        text-align: center
    }

    .floating-legal {
        font-size: 12px;
        gap: 10px;
        padding: 10px
    }
}

@media (max-width: 380px) {
    .nav a {
        font-size: 12px
    }

    .hero-stats {
        grid-template-columns: 1fr
    }

    .image-card img {
        height: 190px
    }
}

/* 分页样式 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 40px;
    flex-wrap: wrap
}

.pagination button, .pagination a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 42px;
    height: 42px;
    border: 1px solid var(--rule);
    border-radius: 12px;
    background: var(--bg2);
    color: var(--ink);
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: all .18s ease;
    padding: 0 10px;
    text-decoration: none;
    box-sizing: border-box
}

.pagination button:hover, .pagination a:hover {
    border-color: var(--accent);
    color: var(--accent)
}

.pagination button.active, .pagination a.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
    box-shadow: 0 6px 18px rgba(11, 107, 120, .24)
}

.pagination button.active:hover, .pagination a.active:hover {
    color: #fff;
    border-color: var(--accent)
}

.pagination button:disabled, .pagination a.disabled {
    opacity: .4;
    cursor: default
}

.pagination .page-info {
    font-size: 14px;
    color: var(--muted);
    margin: 0 12px
}

/* 产品图文卡片增强 */
.product-card {
    overflow: hidden;
    border-radius: var(--radius);
    background: var(--bg2);
    box-shadow: var(--shadow);
    border: 1px solid var(--rule);
    transition: transform .2s ease, box-shadow .2s ease;
    display: flex;
    flex-direction: column
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 22px 60px rgba(9, 32, 51, .14)
}

.product-card .product-img {
    height: 220px;
    width: 100%;
    object-fit: cover
}

.product-card .product-body {
    padding: 22px;
    flex: 1;
    display: flex;
    flex-direction: column
}

.product-card .product-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: var(--soft);
    display: grid;
    place-items: center;
    font-size: 22px;
    margin-bottom: 12px
}

.product-card h3 {
    font-size: 18px;
    margin: 0 0 8px
}

.product-card p {
    color: var(--muted);
    margin: 0 0 12px;
    font-size: 14px;
    flex: 1
}

.product-card .product-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px
}

/* 品牌优势图标网格 */
.feature-icon {
    width: 52px;
    height: 52px;
    border-radius: 16px;
    display: grid;
    place-items: center;
    font-size: 24px;
    margin-bottom: 14px
}

.feature-icon.blue {
    background: var(--soft);
    color: var(--accent)
}

.feature-icon.gold {
    background: var(--gold-soft);
    color: var(--accent2)
}

.feature-icon.navy {
    background: rgba(9, 32, 51, .08);
    color: var(--navy)
}

/* 步骤图标增强 */
.step-icon {
    font-size: 28px;
    margin-bottom: 8px
}

@media (max-width: 560px) {
    .pagination button, .pagination a {
        min-width: 36px;
        height: 36px;
        font-size: 14px
    }
}

/* 内容丰富化：品牌理念、产品矩阵、服务流程、八大优势 */
.positioning-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 22px
}

.positioning-card {
    background: var(--bg2);
    border: 1px solid var(--rule);
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden
}

.positioning-card:before {
    content: "";
    position: absolute;
    right: -40px;
    top: -40px;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: var(--soft)
}

.positioning-card .num {
    font-size: 42px;
    font-weight: 900;
    color: rgba(11, 107, 120, .14);
    line-height: 1
}

.positioning-card h3 {
    margin: 8px 0 12px;
    font-size: 22px
}

.positioning-card p {
    color: var(--muted);
    margin: 0
}

.vision-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 24px
}

.vision-card {
    background: var(--bg2);
    border: 1px solid var(--rule);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column
}

.vision-card img {
    width: 100%;
    height: 240px;
    object-fit: cover
}

.vision-card .vision-body {
    padding: 28px 32px
}

.vision-card .vision-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: var(--soft);
    display: grid;
    place-items: center;
    font-size: 26px;
    margin-bottom: 16px
}

.vision-card h3 {
    font-size: 20px;
    margin: 0 0 12px
}

.vision-card p {
    color: var(--muted);
    margin: 0;
    line-height: 1.8
}

.vision-footer {
    background: linear-gradient(135deg, var(--soft), var(--gold-soft));
    border-radius: var(--radius);
    padding: 24px 32px;
    text-align: center;
    font-size: 17px;
    font-weight: 700;
    color: var(--ink);
    border: 1px solid var(--rule)
}

/* 视频展示 */
.video-wrap {
    max-width: 900px;
    margin: 0 auto;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--rule);
    background: #000
}

.video-wrap video {
    width: 100%;
    display: block;
    max-height: 560px;
    object-fit: cover
}

/* 随访管理体系时间线 */
.followup-timeline {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px
}

.followup-node {
    background: var(--bg2);
    border: 1px solid var(--rule);
    border-radius: 20px;
    padding: 24px;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden
}

.followup-node:before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--accent2))
}

.followup-time {
    display: inline-block;
    background: var(--soft);
    color: var(--accent);
    border-radius: 999px;
    padding: 6px 14px;
    font-size: 13px;
    font-weight: 800;
    margin-bottom: 14px
}

.followup-icon {
    font-size: 28px;
    margin-bottom: 10px
}

.followup-node h3 {
    font-size: 18px;
    margin: 0 0 8px
}

.followup-node p {
    color: var(--muted);
    margin: 0;
    font-size: 14px;
    line-height: 1.7
}

.product-matrix {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px
}

.mini-product {
    background: var(--bg2);
    border: 1px solid var(--rule);
    border-radius: 22px;
    overflow: hidden;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column
}

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

.mini-product .body {
    padding: 22px
}

.mini-product .icon-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px
}

.mini-product .mini-icon {
    width: 42px;
    height: 42px;
    border-radius: 14px;
    background: var(--soft);
    display: grid;
    place-items: center;
    font-size: 22px
}

.mini-product h3 {
    margin: 0;
    font-size: 19px
}

.mini-product p {
    color: var(--muted);
    margin: 8px 0 14px;
    font-size: 14px
}

.service-flow {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 14px;
    counter-reset: flow
}

.flow-card {
    background: var(--bg2);
    border: 1px solid var(--rule);
    border-radius: 20px;
    padding: 20px;
    position: relative;
    box-shadow: var(--shadow)
}

.flow-card:before {
    counter-increment: flow;
    content: "0" counter(flow);
    display: block;
    color: var(--accent2);
    font-size: 28px;
    font-weight: 900;
    margin-bottom: 8px
}

.flow-card h3 {
    font-size: 17px;
    margin: 0 0 8px
}

.flow-card p {
    font-size: 13px;
    color: var(--muted);
    margin: 0
}

.equipment-band {
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    gap: 28px;
    align-items: center
}

.equipment-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-top: 20px
}

.equipment-item {
    background: var(--soft);
    border-radius: 16px;
    padding: 14px;
    font-weight: 700;
    color: var(--accent);
    font-size: 14px
}

.advantage-orbit {
    position: relative;
    min-height: 620px;
    margin: 20px auto 0;
    max-width: 1060px
}

.adv-center {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 220px;
    height: 220px;
    border-radius: 38px;
    background: linear-gradient(135deg, var(--accent), var(--navy));
    color: #fff;
    display: grid;
    place-items: center;
    text-align: center;
    box-shadow: 0 24px 70px rgba(9, 32, 51, .22);
    z-index: 2
}

.adv-center strong {
    display: block;
    font-size: 34px;
    line-height: 1.1
}

.adv-center span {
    font-size: 14px;
    color: rgba(255, 255, 255, .78)
}

.adv-node {
    position: absolute;
    width: 300px;
    background: var(--bg2);
    border: 1px solid var(--rule);
    border-radius: 20px;
    padding: 18px 18px 18px 72px;
    box-shadow: var(--shadow)
}

.adv-node:before {
    content: attr(data-no);
    position: absolute;
    left: 18px;
    top: 18px;
    font-size: 28px;
    font-weight: 900;
    color: rgba(11, 107, 120, .25)
}

.adv-node h3 {
    margin: 0 0 6px;
    color: var(--accent);
    font-size: 19px
}

.adv-node p {
    margin: 0;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.65
}

.adv-node.n1 {
    left: 50%;
    top: 0;
    transform: translateX(-50%)
}

.adv-node.n2 {
    right: 0;
    top: 86px
}

.adv-node.n3 {
    right: 0;
    top: 238px
}

.adv-node.n4 {
    right: 0;
    bottom: 86px
}

.adv-node.n5 {
    left: 50%;
    bottom: 0;
    transform: translateX(-50%)
}

.adv-node.n6 {
    left: 0;
    bottom: 86px
}

.adv-node.n7 {
    left: 0;
    top: 238px
}

.adv-node.n8 {
    left: 0;
    top: 86px
}

.credential-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px
}

.credential-card {
    background: var(--bg2);
    border: 1px solid var(--rule);
    border-radius: 20px;
    padding: 22px;
    box-shadow: var(--shadow)
}

.credential-card strong {
    display: block;
    font-size: 26px;
    color: var(--accent);
    margin-bottom: 6px
}

.credential-card span {
    color: var(--muted);
    font-size: 14px
}

/* 图片画廊 */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px
}

.gallery-item {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    position: relative;
    height: 280px
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .3s ease
}

.gallery-item:hover img {
    transform: scale(1.05)
}

.gallery-item .caption {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(transparent, rgba(9, 32, 51, .85));
    color: #fff;
    padding: 30px 20px 16px
}

.gallery-item .caption h3 {
    margin: 0;
    font-size: 17px
}

.gallery-item .caption p {
    margin: 4px 0 0;
    font-size: 13px;
    color: rgba(255, 255, 255, .78)
}

.gallery-item.wide {
    grid-column: span 2
}

/* 统计数据带 */
.stats-band {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px
}

.stat-highlight {
    text-align: center;
    background: var(--bg2);
    border: 1px solid var(--rule);
    border-radius: var(--radius);
    padding: 30px 20px;
    box-shadow: var(--shadow)
}

.stat-highlight .big {
    font-size: 42px;
    font-weight: 900;
    color: var(--accent);
    line-height: 1.1;
    margin-bottom: 6px
}

.stat-highlight .label {
    font-size: 14px;
    color: var(--muted)
}

/* 为什么选择我们 */
.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px
}

.why-card {
    background: var(--bg2);
    border: 1px solid var(--rule);
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: var(--shadow)
}

.why-card .why-icon {
    width: 56px;
    height: 56px;
    border-radius: 18px;
    display: grid;
    place-items: center;
    font-size: 26px;
    margin-bottom: 16px
}

.why-card h3 {
    font-size: 20px;
    margin: 0 0 10px
}

.why-card p {
    color: var(--muted);
    margin: 0;
    font-size: 15px;
    line-height: 1.7
}

/* 服务流程预览 */
.flow-preview {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 14px
}

.flow-step {
    text-align: center;
    padding: 24px 16px;
    background: var(--bg2);
    border: 1px solid var(--rule);
    border-radius: 20px;
    box-shadow: var(--shadow);
    position: relative
}

.flow-step .flow-num {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--accent);
    color: #fff;
    display: grid;
    place-items: center;
    font-weight: 800;
    margin: 0 auto 12px
}

.flow-step h3 {
    font-size: 16px;
    margin: 0 0 8px
}

.flow-step p {
    font-size: 13px;
    color: var(--muted);
    margin: 0
}

/* CTA 行动召唤 */
.cta-band {
    background: linear-gradient(135deg, var(--navy), var(--accent));
    border-radius: var(--radius);
    padding: 50px 40px;
    text-align: center;
    color: #fff;
    box-shadow: var(--shadow)
}

.cta-band h2 {
    font-size: clamp(26px, 3vw, 38px);
    margin: 0 0 14px;
    color: #fff
}

.cta-band p {
    font-size: 17px;
    color: rgba(255, 255, 255, .82);
    max-width: 600px;
    margin: 0 auto 26px
}

.cta-band .btn {
    background: #fff;
    color: var(--accent);
    border-color: #fff;
    font-size: 17px;
    padding: 14px 32px
}

.cta-band .btn.alt {
    background: transparent;
    color: #fff;
    border-color: rgba(255, 255, 255, .5)
}

@media (max-width: 1024px) {
    .positioning-grid, .product-matrix, .vision-cards {
        grid-template-columns: repeat(2, 1fr)
    }

    .service-flow {
        grid-template-columns: repeat(2, 1fr)
    }

    .equipment-band {
        grid-template-columns: 1fr
    }

    .advantage-orbit {
        min-height: auto;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 16px
    }

    .adv-center, .adv-node {
        position: relative;
        left: auto;
        right: auto;
        top: auto;
        bottom: auto;
        transform: none;
        width: auto
    }

    .adv-center {
        height: auto;
        min-height: 180px;
        border-radius: 24px
    }

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

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

    .gallery-item.wide {
        grid-column: span 2
    }

    .stats-band {
        grid-template-columns: repeat(2, 1fr)
    }

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

    .flow-preview {
        grid-template-columns: repeat(2, 1fr)
    }

    .followup-timeline {
        grid-template-columns: repeat(2, 1fr)
    }
}

@media (max-width: 560px) {
    .positioning-grid, .product-matrix, .service-flow, .equipment-list, .advantage-orbit, .credential-grid, .vision-cards {
        grid-template-columns: 1fr
    }

    .mini-product img {
        height: 180px
    }

    .gallery-grid {
        grid-template-columns: 1fr
    }

    .gallery-item.wide {
        grid-column: span 1
    }

    .gallery-item {
        height: 220px
    }

    .stats-band, .why-grid, .flow-preview, .followup-timeline {
        grid-template-columns: 1fr
    }
}


/* 核心优势与资讯列表增强 */
.value-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px
}

.value-card {
    background: var(--bg2);
    border: 1px solid var(--rule);
    border-radius: var(--radius);
    padding: 26px;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden
}

.value-card:before {
    content: "";
    position: absolute;
    right: -45px;
    top: -45px;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: var(--soft)
}

.value-card strong {
    display: block;
    font-size: 34px;
    line-height: 1;
    color: rgba(11, 107, 120, .20);
    font-weight: 900;
    margin-bottom: 16px
}

.value-card h3 {
    font-size: 21px;
    margin: 0 0 10px
}

.value-card p {
    color: var(--muted);
    margin: 0;
    font-size: 14px
}

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

.tech-card {
    display: flex;
    flex-direction: column;
    background: linear-gradient(180deg, #fff, var(--bg));
    border: 1px solid var(--rule);
    border-radius: var(--radius);
    padding: 26px;
    box-shadow: var(--shadow)
}

.tech-card h3 {
    margin: 0 0 10px;
    font-size: 20px;
    color: var(--accent)
}

.tech-card p {
    margin: 0 0 16px;
    color: var(--muted);
    font-size: 14px
}

.tech-card span {
    display: inline-flex;
    border-radius: 999px;
    background: var(--gold-soft);
    color: #8a6418;
    font-weight: 800;
    font-size: 12px;
    padding: 6px 10px;
    margin-top: auto;
    align-self: flex-start
}

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

.audience-card {
    background: var(--bg2);
    border: 1px solid var(--rule);
    border-radius: 20px;
    padding: 24px;
    box-shadow: var(--shadow)
}

.audience-card h3 {
    margin: 0 0 10px;
    color: var(--accent);
    font-size: 20px
}

.audience-card p {
    margin: 0;
    color: var(--muted);
    font-size: 14px
}

.news-summary {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    background: var(--bg2);
    border: 1px solid var(--rule);
    border-radius: var(--radius);
    padding: 18px 22px;
    margin-bottom: 24px;
    box-shadow: var(--shadow)
}

.news-summary strong {
    font-size: 24px;
    color: var(--accent)
}

.news-summary span {
    color: var(--muted);
    margin-right: 8px
}

.news-list {
    display: grid;
    gap: 18px
}

.news-list-item {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 22px;
    background: var(--bg2);
    border: 1px solid var(--rule);
    border-radius: var(--radius);
    padding: 16px;
    box-shadow: var(--shadow)
}

.news-thumb img {
    width: 240px;
    height: 150px;
    object-fit: cover;
    border-radius: 18px
}

.news-list-body h3 {
    margin: 8px 0 8px;
    font-size: 22px
}

.news-list-body p {
    margin: 0;
    color: var(--muted)
}

.text-link {
    display: inline-flex;
    margin-top: 12px;
    color: var(--accent);
    font-weight: 800
}

@media (max-width: 1024px) {
    .value-grid, .tech-grid, .audience-grid {
        grid-template-columns: repeat(2, 1fr)
    }
}

@media (max-width: 700px) {
    .news-list-item {
        grid-template-columns: 1fr
    }

    .news-thumb img {
        width: 100%;
        height: 210px
    }

    .value-grid, .tech-grid, .audience-grid {
        grid-template-columns: 1fr
    }
}

/* ===== Mobile additional optimizations ===== */
@media (max-width: 560px) {
    .topbar .container span:first-child {
        display: none
    }

    .topbar .container {
        justify-content: center;
        text-align: center
    }

    .cta-band {
        padding: 36px 20px
    }

    .cta-band h2 {
        font-size: clamp(22px, 6vw, 30px)
    }

    .cta-band p {
        font-size: 15px
    }

    .cta-band .btn {
        display: block;
        width: 100%;
        margin-bottom: 10px
    }

    .article-body img {
        border-radius: 14px !important;
        margin-bottom: 16px !important
    }

    .video-wrap video {
        max-height: 260px
    }

    .vision-card img {
        height: 190px
    }

    .product-card .product-img {
        height: 180px
    }

    .news-thumb img {
        height: 180px
    }

    .gallery-item {
        height: 200px
    }

    .followup-node {
        padding: 18px
    }

    .followup-node h3 {
        font-size: 17px
    }

    .flow-card {
        padding: 16px
    }

    .positioning-card {
        padding: 22px
    }

    .value-card {
        padding: 22px
    }

    .why-card {
        padding: 22px
    }

    .credential-card {
        padding: 18px
    }

    .stat-highlight {
        padding: 24px 16px
    }

    .stat-highlight .big {
        font-size: 36px
    }

    .equipment-item {
        padding: 12px;
        font-size: 13px
    }

    .news-summary {
        padding: 14px 16px;
        gap: 8px
    }

    .news-summary strong {
        font-size: 20px
    }

    .news-list-body h3 {
        font-size: 19px
    }

    .jump-panel {
        padding: 16px
    }

    .notice {
        padding: 14px 16px
    }
}

@media (max-width: 380px) {
    .card img[style*="width:200px"] {
        max-width: 140px !important;
        height: 140px !important
    }

    .brandmark {
        width: 36px;
        height: 36px;
        font-size: 12px
    }

    .brandname strong {
        font-size: 15px
    }

    .hero-stats {
        grid-template-columns: 1fr
    }

    .stat strong {
        font-size: 20px
    }

    .section {
        padding: 36px 0
    }

    .section-title h2 {
        font-size: clamp(22px, 7vw, 30px)
    }

    .gallery-item {
        height: 170px
    }

    .mini-product img {
        height: 160px
    }

    .product-card .product-img {
        height: 160px
    }
}