/* ============================================================
   山川云数据 · 蓝色直播电商主题
   主色：#1e5fff 蓝 / #ff7a1a 橙点缀
   ============================================================ */
:root {
    --c-primary: #1e5fff;
    --c-primary-dark: #1244c9;
    --c-primary-deep: #0a2f96;
    --c-primary-light: #4a83ff;
    --c-blue-soft: #eaf1ff;
    --c-text: #2b3445;
    --c-muted: #6b7b90;
    --c-orange: #ff7a1a;
    --c-orange-light: #fff1e6;
    --c-bg: #f6f8fb;
    --c-border: #e4eaf3;
    --c-deep: #14213d;
    --shadow-sm: 0 2px 10px rgba(30, 95, 255, .06);
    --shadow-card: 0 8px 30px rgba(30, 95, 255, .08);
    --shadow-hover: 0 16px 40px rgba(30, 95, 255, .16);
    --radius: 14px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    color: var(--c-text);
    background: #fff;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--c-text);
    transition: color .2s;
}

a:hover {
    color: var(--c-primary);
    text-decoration: none;
}

.sc-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    overflow: hidden;
}

section[id] {
    scroll-margin-top: 74px;
}

/* ================= 导航栏 ================= */
.sc-navbar {
    background: rgba(255, 255, 255, .98);
    box-shadow: 0 2px 16px rgba(20, 33, 61, .06);
    padding: 0;
    height: 74px;
    transition: box-shadow .25s, background .25s;
}

.sc-navbar.scrolled {
    box-shadow: 0 6px 24px rgba(20, 33, 61, .12);
}

.sc-navbar>.sc-container {
    display: flex;
    align-items: center;
    height: 74px;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.sc-logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.sc-logo img {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    margin-right: 12px;
}

.sc-logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.sc-logo-text b {
    font-size: 20px;
    color: var(--c-deep);
    font-weight: 800;
    letter-spacing: 1px;
}

.sc-logo-text small {
    font-size: 10px;
    color: var(--c-muted);
    letter-spacing: 2px;
}

.sc-nav {
    display: flex;
    align-items: center;
    margin-left: auto;
}

.sc-nav .nav-item {
    list-style: none;
}

.sc-nav .nav-link {
    display: block;
    padding: 8px 14px;
    margin: 0 2px;
    font-size: 15px;
    color: var(--c-deep);
    font-weight: 500;
    border-radius: 6px;
    position: relative;
    white-space: nowrap;
}

.sc-nav .nav-link:hover {
    color: var(--c-primary);
}

.sc-nav .nav-item.active .nav-link {
    color: var(--c-primary);
    font-weight: 700;
}

.sc-nav .nav-item.active .nav-link::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: -4px;
    width: 20px;
    height: 3px;
    margin-left: -10px;
    border-radius: 2px;
    background: var(--c-primary);
}

.sc-phone {
    display: flex;
    align-items: center;
    margin-left: 16px;
    padding: 10px 18px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--c-primary), var(--c-primary-dark));
    color: #fff !important;
    box-shadow: 0 6px 18px rgba(30, 95, 255, .32);
}

.sc-phone:hover {
    color: #fff;
    transform: translateY(-1px);
}

.sc-phone i {
    font-size: 16px;
    margin-right: 8px;
}

.sc-phone b {
    font-size: 15px;
    font-weight: 700;
    letter-spacing: .5px;
}

.sc-toggler {
    border: 1px solid var(--c-border) !important;
    border-radius: 8px;
    padding: 6px 10px;
}

.sc-toggler .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%231e5fff' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.sc-nav-spacer {
    height: 74px;
}

@media (max-width:991.98px) {

    .sc-navbar,
    .sc-navbar>.sc-container {
        height: auto;
        min-height: 64px;
    }

    .sc-navbar>.sc-container {
        flex-wrap: wrap;
        padding-top: 8px;
        padding-bottom: 8px;
    }

    .sc-nav-spacer {
        height: 64px;
    }

    .sc-logo img {
        width: 38px;
        height: 38px;
    }

    .sc-logo-text b {
        font-size: 17px;
    }

    #navbarNav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #fff;
        box-shadow: 0 14px 30px rgba(20, 33, 61, .12);
        padding: 8px 16px 16px;
        border-top: 1px solid var(--c-border);
    }

    .sc-nav {
        flex-direction: column;
        align-items: stretch;
        margin: 0;
    }

    .sc-nav .nav-link {
        padding: 12px 10px;
        border-bottom: 1px dashed var(--c-border);
        border-radius: 0;
    }

    .sc-nav .nav-item.active .nav-link::after {
        display: none;
    }

    .sc-phone {
        margin: 12px 0 0;
        justify-content: center;
    }
}

/* ================= Hero ================= */
.sc-hero {
    position: relative;
    padding: 0;
    overflow: hidden;
    background: linear-gradient(135deg, var(--c-primary-deep) 0%, var(--c-primary) 50%, var(--c-primary-light) 100%);
    min-height: 520px;
}

.sc-hero .swiper-container {
    width: 100%;
    height: 620px;
}

.sc-hero .swiper-slide {
    position: relative;
    overflow: hidden;
}

.sc-hero .slide-bg {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.sc-hero .slide-link {
    display: block;
    width: 100%;
    height: 100%;
}

.sc-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    background: linear-gradient(135deg, rgba(10, 47, 150, .75) 0%, rgba(30, 95, 255, .5) 50%, rgba(30, 95, 255, .2) 100%);
}

.sc-hero-content {
    position: absolute;
    left: 6vw;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
    color: #fff;
    max-width: 540px;
}

.sc-hero-content .sc-hero-sub {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 999px;
    background: rgba(255, 255, 255, .15);
    border: 1px solid rgba(255, 255, 255, .25);
    font-size: 13px;
    letter-spacing: 2px;
    margin-bottom: 22px;
    backdrop-filter: blur(4px);
}

.sc-hero-content h1 {
    font-size: clamp(26px, 3.2vw, 42px);
    font-weight: 800;
    line-height: 1.25;
    margin: 0 0 16px;
    color: #fff;
    letter-spacing: 1px;
}

.sc-hero-content p {
    font-size: clamp(14px, 1.3vw, 16px);
    line-height: 1.8;
    color: rgba(255, 255, 255, .9);
    margin: 0 0 28px;
}

.sc-hero-btns {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.sc-btn-primary,
.sc-btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 30px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 600;
    transition: all .25s;
    cursor: pointer;
    border: none;
}

.sc-btn-primary {
    background: #fff;
    color: var(--c-primary);
    box-shadow: 0 10px 24px rgba(0, 0, 0, .18);
}

.sc-btn-primary:hover {
    transform: translateY(-2px);
    color: var(--c-primary-dark);
    box-shadow: 0 14px 30px rgba(0, 0, 0, .24);
}

.sc-btn-ghost {
    background: transparent;
    color: #fff;
    border: 1.5px solid rgba(255, 255, 255, .6);
}

.sc-btn-ghost:hover {
    background: rgba(255, 255, 255, .12);
    border-color: #fff;
    color: #fff;
}

.sc-hero .swiper-pagination {
    bottom: 28px;
}

.sc-hero .swiper-pagination-bullet {
    width: 26px;
    height: 4px;
    border-radius: 2px;
    background: rgba(255, 255, 255, .4);
    opacity: 1;
    transition: all .25s;
}

.sc-hero .swiper-pagination-bullet-active {
    width: 40px;
    background: #fff;
}

@media (max-width: 767.98px) {
    .sc-hero .swiper-container {
        height: 380px;
    }

    .sc-hero-content {
        left: 20px;
        right: 20px;
        top: 50%;
        transform: translateY(-50%);
        max-width: none;
    }

    .sc-hero-content h1 {
        font-size: 24px;
    }

    .sc-hero-btns .sc-btn-primary,
    .sc-hero-btns .sc-btn-ghost {
        padding: 11px 22px;
        font-size: 14px;
    }
}

/* ================= 通用区块 ================= */
.sc-section {
    padding: 76px 0;
}

.sc-section.bg-soft {
    background: var(--c-bg);
}

.sc-section-head {
    text-align: center;
    margin-bottom: 48px;
}

.sc-section-head h2 {
    font-size: 32px;
    font-weight: 800;
    color: var(--c-deep);
    letter-spacing: 1px;
    margin: 0;
    display: inline-flex;
    align-items: center;
    gap: 12px;
}

.sc-section-head h2::before {
    content: "";
    display: inline-block;
    width: 5px;
    height: 26px;
    border-radius: 3px;
    background: linear-gradient(180deg, var(--c-primary), var(--c-orange));
}

.sc-section-head .sc-en {
    display: block;
    color: #96a8c0;
    font-size: 14px;
    letter-spacing: 3px;
    margin-top: 8px;
    font-weight: 400;
}

.sc-section-head p {
    color: var(--c-muted);
    margin: 10px 0 0;
    font-size: 15px;
}

.sc-more {
    text-align: center;
    margin-top: 36px;
}

.sc-btn-outline {
    display: inline-block;
    padding: 10px 30px;
    border-radius: 999px;
    border: 1.5px solid var(--c-primary);
    color: var(--c-primary);
    font-size: 14px;
    font-weight: 600;
    background: #fff;
    transition: all .25s;
}

.sc-btn-outline:hover {
    background: var(--c-primary);
    color: #fff;
    transform: translateY(-1px);
}

@media (max-width:767.98px) {
    .sc-section {
        padding: 52px 0;
    }

    .sc-section-head {
        margin-bottom: 34px;
    }

    .sc-section-head h2 {
        font-size: 24px;
    }
}

/* ================= 产品服务（彩色渐变卡） ================= */
.sc-svc-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 22px;
}

.sc-svc-card {
    border-radius: 18px;
    padding: 34px 24px 26px;
    color: #fff;
    position: relative;
    overflow: hidden;
    transition: transform .3s, box-shadow .3s;
    background: linear-gradient(135deg, #1e5fff, #0a2f96);
    min-height: 240px;
}

.sc-svc-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 26px 50px rgba(30, 95, 255, .4);
}

.sc-svc-card::after {
    content: "";
    position: absolute;
    right: -40px;
    bottom: -40px;
    width: 160px;
    height: 160px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .08);
}

.sc-svc-card::before {
    content: "";
    position: absolute;
    left: -20px;
    top: -20px;
    width: 90px;
    height: 90px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .06);
}

.sc-svc-icon {
    width: 58px;
    height: 58px;
    border-radius: 14px;
    margin: 0 0 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    background: rgba(255, 255, 255, .25);
    color: #fff;
    position: relative;
    z-index: 1;
    backdrop-filter: blur(6px);
}

.sc-svc-card h3 {
    font-size: 19px;
    color: #fff;
    font-weight: 700;
    margin: 0 0 10px;
    position: relative;
    z-index: 1;
}

.sc-svc-card p {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255, 255, 255, .9);
    margin: 0 0 20px;
    position: relative;
    z-index: 1;
    min-height: 50px;
}

.sc-svc-more {
    font-size: 13px;
    color: rgba(255, 255, 255, .95);
    font-weight: 600;
    position: relative;
    z-index: 1;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 999px;
    background: rgba(255, 255, 255, .2);
    backdrop-filter: blur(6px);
    transition: background .2s;
}

.sc-svc-more:hover {
    background: rgba(255, 255, 255, .35);
    color: #fff;
}

/* 5 种不同配色 */
.sc-svc-card:nth-child(1) {
    background: linear-gradient(135deg, #1e5fff, #0a2f96);
}

.sc-svc-card:nth-child(2) {
    background: linear-gradient(135deg, #8a5cff, #5e2dd8);
}

.sc-svc-card:nth-child(3) {
    background: linear-gradient(135deg, #ff7a1a, #d55100);
}

.sc-svc-card:nth-child(4) {
    background: linear-gradient(135deg, #32c68a, #15a369);
}

.sc-svc-card:nth-child(5) {
    background: linear-gradient(135deg, #00bcd4, #00798c);
}

@media (max-width:991.98px) {
    .sc-svc-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width:575.98px) {
    .sc-svc-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 14px;
    }
}

/* ================= 定制开发 九宫格 ================= */
.sc-custom-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
    margin: 0 auto;
}

.sc-custom-card {
    background: #fff;
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    padding: 26px 20px;
    display: flex;
    align-items: flex-start;
    gap: 14px;
    transition: transform .25s, box-shadow .25s, border-color .25s;
}

.sc-custom-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card);
    border-color: var(--c-primary);
}

.sc-custom-ico {
    width: 46px;
    height: 46px;
    border-radius: 12px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: #fff;
    background: linear-gradient(135deg, var(--c-primary), var(--c-primary-dark));
}

.sc-custom-card h4 {
    font-size: 15px;
    color: var(--c-deep);
    font-weight: 700;
    margin: 0 0 6px;
}

.sc-custom-card p {
    font-size: 13px;
    line-height: 1.6;
    color: var(--c-muted);
    margin: 0;
}

@media (max-width:767.98px) {
    .sc-custom-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 14px;
    }
}

@media (max-width:575.98px) {
    .sc-custom-grid {
        grid-template-columns: 1fr;
    }
}

/* ================= 解决方案 / 案例 ================= */
.sc-sol-grid,
.sc-case-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.sc-sol-card {
    background: #fff;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--c-border);
    transition: transform .25s, box-shadow .25s;
    display: flex;
    flex-direction: column;
}

.sc-sol-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
}

.sc-sol-img {
    width: 100%;
    height: 180px;
    overflow: hidden;
}

.sc-sol-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s;
}

.sc-sol-card:hover .sc-sol-img img {
    transform: scale(1.06);
}

.sc-sol-body {
    padding: 20px 22px 22px;
    flex: 1;
}

.sc-sol-card h3 {
    font-size: 17px;
    color: var(--c-deep);
    font-weight: 700;
    margin: 0 0 8px;
}

.sc-sol-card p {
    font-size: 14px;
    line-height: 1.8;
    color: var(--c-muted);
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.sc-sol-tag {
    display: inline-block;
    padding: 3px 10px;
    font-size: 12px;
    background: var(--c-blue-soft);
    color: var(--c-primary);
    border-radius: 4px;
    margin-bottom: 10px;
}

/* 客户案例 */
.sc-case-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.sc-case-card {
    background: #fff;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(20, 33, 61, .08);
    transition: transform .3s ease, box-shadow .3s ease;
    display: flex;
    flex-direction: column;
}

.sc-case-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 36px rgba(20, 33, 61, .16);
}

.sc-case-screen {
    width: 100%;
    aspect-ratio: 9 / 16;
    overflow: hidden;
    background: #f1f4fb;
    flex-shrink: 0;
}

.sc-case-screen img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .5s ease;
}

.sc-case-card:hover .sc-case-screen img {
    transform: scale(1.05);
}

.sc-case-body2 {
    padding: 14px 18px 16px;
    flex-shrink: 0;
}

.sc-case-body2 h4 {
    font-size: 15px;
    color: var(--c-deep);
    font-weight: 600;
    margin: 0;
    line-height: 1.5;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sc-case-body2 h4 a {
    color: inherit;
    text-decoration: none;
    transition: color .2s;
}

.sc-case-body2 h4 a:hover {
    color: var(--c-primary);
}

.sc-case-card p {
    display: none;
}

/* 荣誉证书 */
.sc-cert-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    max-width: 1000px;
    margin: 0 auto;
}

.sc-cert-card {
    background: #fff;
    border: 1px solid var(--c-border);
    border-radius: 12px;
    padding: 14px 12px;
    text-align: center;
    transition: transform .25s, box-shadow .25s;
}

.sc-cert-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card);
}

.sc-cert-card .sc-cert-img {
    width: 100%;
    aspect-ratio: 4/3;
    background: #f6f8fb;
    border-radius: 8px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sc-cert-card .sc-cert-img i {
    font-size: 40px;
    color: var(--c-primary);
}

.sc-cert-card h4 {
    font-size: 14px;
    color: var(--c-deep);
    font-weight: 600;
    margin: 0;
}

/* 客户案例 Swiper 走马灯 */
.sc-case-swiper {
    position: relative;
    padding: 10px 16px 24px;
    overflow: visible;
}

.sc-case-swiper .swiper-slide {
    height: auto;
    display: flex;
}

.sc-case-swiper .sc-case-card {
    width: 100%;
}

.sc-case-swiper .sc-case-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #fff;
    color: var(--c-primary);
    box-shadow: 0 4px 16px rgba(20, 33, 61, .18);
    font-size: 14px;
    transition: all .25s;
    top: 50%;
    transform: translateY(-50%);
}

.sc-case-swiper .sc-case-btn.swiper-button-prev {
    left: 4px;
}

.sc-case-swiper .sc-case-btn.swiper-button-next {
    right: 4px;
}

.sc-case-swiper .sc-case-btn:hover {
    background: var(--c-primary);
    color: #fff;
    transform: translateY(-50%) scale(1.08);
    box-shadow: 0 6px 20px rgba(30, 95, 255, .35);
}

.sc-case-swiper .sc-case-btn::after {
    font-family: FontAwesome;
    font-size: 14px;
    font-weight: 400;
}

.sc-case-swiper .sc-case-btn.swiper-button-prev::after {
    content: "\f053";
}

.sc-case-swiper .sc-case-btn.swiper-button-next::after {
    content: "\f054";
}

.sc-case-swiper .sc-case-btn.swiper-button-lock {
    display: none !important;
}

@media (max-width:767.98px) {

    .sc-sol-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 14px;
    }

    .sc-case-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 14px;
    }

    .sc-sol-img {
        height: 140px;
    }

    .sc-case-body2 {
        padding: 10px 14px 12px;
    }

    .sc-case-body2 h4 {
        font-size: 14px;
    }

    .sc-case-swiper .sc-case-btn {
        width: 34px;
        height: 34px;
    }

    .sc-case-swiper .sc-case-btn.swiper-button-prev {
        left: 2px;
    }

    .sc-case-swiper .sc-case-btn.swiper-button-next {
        right: 2px;
    }

    .sc-cert-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
    }
}

@media (max-width:575.98px) {

    .sc-sol-grid,
    .sc-cert-grid {
        grid-template-columns: 1fr;
    }

    .sc-case-grid {
        grid-template-columns: 1fr;
    }

    .sc-case-swiper .sc-case-btn {
        width: 30px;
        height: 30px;
        font-size: 12px;
    }

    .sc-case-swiper .sc-case-btn.swiper-button-prev {
        left: 0;
    }

    .sc-case-swiper .sc-case-btn.swiper-button-next {
        right: 0;
    }
}

/* ================= 技术优势（左大色块） ================= */
.sc-adv-wrap {
    background: linear-gradient(135deg, #0a2f96 0%, #1e5fff 100%);
    border-radius: 20px;
    padding: 50px;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.sc-adv-wrap::before {
    content: "";
    position: absolute;
    right: -60px;
    top: -60px;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .06);
}

.sc-adv-wrap::after {
    content: "";
    position: absolute;
    left: -40px;
    bottom: -80px;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .04);
}

.sc-adv-grid2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.sc-adv-title {
    font-size: 28px;
    font-weight: 800;
    margin: 0 0 16px;
    color: #fff;
}

.sc-adv-desc {
    font-size: 15px;
    line-height: 2;
    opacity: .92;
    margin: 0 0 28px;
}

.sc-adv-list2 {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.sc-adv-item2 {
    display: flex;
    gap: 14px;
    align-items: center;
    padding: 14px 20px;
    border-radius: 12px;
    background: rgba(255, 255, 255, .1);
    backdrop-filter: blur(6px);
    border: 1px solid rgba(255, 255, 255, .15);
}

.sc-adv-item2 .num {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, .25);
    color: #fff;
    font-weight: 800;
    font-size: 15px;
}

.sc-adv-item2 h4 {
    font-size: 15px;
    color: #fff;
    font-weight: 700;
    margin: 0 0 4px;
}

.sc-adv-item2 p {
    font-size: 13px;
    color: rgba(255, 255, 255, .8);
    line-height: 1.6;
    margin: 0;
}

/* 右侧柱状图 */
.sc-bar-chart {
    background: rgba(255, 255, 255, .12);
    backdrop-filter: blur(6px);
    border-radius: 16px;
    padding: 30px;
    border: 1px solid rgba(255, 255, 255, .18);
}

.sc-bar-chart h4 {
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    margin: 0 0 20px;
    text-align: center;
}

.sc-bar {
    display: flex;
    justify-content: space-around;
    align-items: flex-end;
    gap: 16px;
    height: 140px;
    border-bottom: 1px solid rgba(255, 255, 255, .2);
    padding: 0 10px;
}

.sc-bar-col {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    flex: 1;
    height: 100%;
    justify-content: flex-end;
}

.sc-bar-col .bar {
    width: 100%;
    max-width: 42px;
    border-radius: 6px 6px 0 0;
    background: linear-gradient(180deg, #ffb97a, #ff7a1a);
    position: relative;
}

.sc-bar-col .bar.val-1 {
    height: 40%;
    background: linear-gradient(180deg, #7ab0ff, #4a83ff);
}

.sc-bar-col .bar.val-2 {
    height: 65%;
    background: linear-gradient(180deg, #7ab0ff, #4a83ff);
}

.sc-bar-col .bar.val-3 {
    height: 85%;
    background: linear-gradient(180deg, #ffb97a, #ff7a1a);
}

.sc-bar-col .bar.val-4 {
    height: 55%;
    background: linear-gradient(180deg, #7ab0ff, #4a83ff);
}

.sc-bar-col .bar.val-5 {
    height: 95%;
    background: linear-gradient(180deg, #7ab0ff, #4a83ff);
}

.sc-bar-col span {
    font-size: 12px;
    color: rgba(255, 255, 255, .85);
}

@media (max-width:991.98px) {
    .sc-adv-wrap {
        padding: 36px 24px;
    }

    .sc-adv-grid2 {
        grid-template-columns: 1fr;
        gap: 28px;
    }
}

/* ================= 服务流程（中间放大） ================= */
.sc-process {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    position: relative;
    padding: 40px 0 20px;
    max-width: 980px;
    margin: 0 auto;
}

.sc-process::before {
    content: "";
    position: absolute;
    top: 48px;
    left: 10%;
    right: 10%;
    height: 3px;
    background: #e4eaf3;
    z-index: 0;
}

.sc-process::after {
    content: "";
    position: absolute;
    top: 48px;
    left: 40%;
    right: 40%;
    height: 3px;
    background: linear-gradient(90deg, #1e5fff, #ff7a1a);
    z-index: 0;
}

.sc-process-step {
    flex: 1;
    text-align: center;
    position: relative;
    z-index: 1;
}

.sc-process-num {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    margin: 0 auto 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    background: #fff;
    border: 3px solid #e4eaf3;
    color: var(--c-muted);
    font-size: 17px;
    box-shadow: 0 4px 14px rgba(20, 33, 61, .06);
    transition: all .3s;
}

.sc-process-step h4 {
    font-size: 15px;
    color: var(--c-deep);
    font-weight: 700;
    margin: 0 0 6px;
}

.sc-process-step p {
    font-size: 12px;
    color: var(--c-muted);
    margin: 0;
    line-height: 1.5;
}

/* 中间步骤放大高亮 */
.sc-process-step.active .sc-process-num {
    width: 80px;
    height: 80px;
    border: none;
    font-size: 22px;
    background: linear-gradient(135deg, #1e5fff, #0a2f96);
    color: #fff;
    box-shadow: 0 10px 30px rgba(30, 95, 255, .35);
    margin-bottom: 18px;
}

.sc-process-step.active h4 {
    color: var(--c-primary);
    font-size: 16px;
}

@media (max-width:767.98px) {
    .sc-process {
        flex-wrap: wrap;
    }

    .sc-process::before,
    .sc-process::after {
        display: none;
    }

    .sc-process-step {
        flex: 0 0 50%;
        margin-bottom: 18px;
    }
}

/* ================= 关于我们 ================= */
.sc-about-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 50px;
    align-items: center;
}

.sc-about-img {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-card);
}

.sc-about-img img {
    width: 100%;
    display: block;
}

.sc-about-text h2 {
    font-size: 28px;
    color: var(--c-deep);
    font-weight: 800;
    margin: 0 0 14px;
}

.sc-about-text p {
    font-size: 15px;
    line-height: 2;
    color: var(--c-text);
    margin: 0 0 14px;
}

@media (max-width:767.98px) {
    .sc-about-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }
}

/* ================= 统计数字（卡片形式） ================= */
.sc-stats {
    background: var(--c-bg);
    padding: 60px 0;
}

.sc-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

.sc-stat-card {
    background: #fff;
    border: 1px solid var(--c-border);
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    transition: transform .25s, box-shadow .25s;
    position: relative;
    overflow: hidden;
}

.sc-stat-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--c-primary), var(--c-primary-light));
}

.sc-stat-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: transparent;
}

.sc-stat-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    margin: 0 auto 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    background: var(--c-blue-soft);
    color: var(--c-primary);
}

.sc-stat-num {
    font-size: 44px;
    font-weight: 800;
    color: var(--c-deep);
    letter-spacing: 1px;
    line-height: 1;
}

.sc-stat-num small {
    font-size: 22px;
    font-weight: 700;
    color: var(--c-primary);
    margin-left: 2px;
}

.sc-stat-label {
    font-size: 14px;
    color: var(--c-muted);
    margin-top: 8px;
}

@media (max-width:767.98px) {
    .sc-stats {
        padding: 40px 0;
    }

    .sc-stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 14px;
    }

    .sc-stat-card {
        padding: 22px 16px;
    }

    .sc-stat-num {
        font-size: 32px;
    }
}

/* ================= 干货资讯 ================= */
.sc-news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.sc-news-card {
    background: #fff;
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform .25s, box-shadow .25s;
}

.sc-news-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card);
}

.sc-news-img {
    height: 160px;
    overflow: hidden;
}

.sc-news-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s;
}

.sc-news-card:hover .sc-news-img img {
    transform: scale(1.06);
}

.sc-news-body {
    padding: 18px 22px 22px;
}

.sc-news-date {
    font-size: 12px;
    color: var(--c-muted);
    margin-bottom: 8px;
}

.sc-news-card h4 {
    font-size: 16px;
    color: var(--c-deep);
    font-weight: 700;
    margin: 0 0 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.sc-news-card h4 a {
    color: var(--c-deep);
}

.sc-news-card p {
    font-size: 13.5px;
    color: var(--c-muted);
    line-height: 1.7;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

@media (max-width:767.98px) {
    .sc-news-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 14px;
    }
}

@media (max-width:575.98px) {
    .sc-news-grid {
        grid-template-columns: 1fr;
    }
}

/* ================= 联系我们 ================= */
.sc-contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.sc-contact-form {
    background: #fff;
    border-radius: var(--radius);
    padding: 36px;
    border: 1px solid var(--c-border);
    box-shadow: var(--shadow-sm);
}

.sc-contact-form h3 {
    font-size: 20px;
    color: var(--c-deep);
    font-weight: 800;
    margin: 0 0 6px;
}

.sc-contact-form p {
    font-size: 14px;
    color: var(--c-muted);
    margin: 0 0 22px;
}

.sc-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.sc-form-field {
    display: flex;
    flex-direction: column;
    margin-bottom: 16px;
}

.sc-form-field label {
    font-size: 13px;
    font-weight: 600;
    color: var(--c-deep);
    margin-bottom: 6px;
}

.sc-form-field input,
.sc-form-field textarea {
    border: 1px solid var(--c-border);
    border-radius: 8px;
    padding: 11px 14px;
    font-size: 14px;
    background: #fafbfe;
    outline: none;
    transition: border-color .2s, box-shadow .2s;
}

.sc-form-field textarea {
    min-height: 100px;
    resize: vertical;
}

.sc-form-field input:focus,
.sc-form-field textarea:focus {
    border-color: var(--c-primary);
    box-shadow: 0 0 0 3px rgba(30, 95, 255, .1);
    background: #fff;
}

.sc-submit-btn {
    width: 100%;
    padding: 13px;
    border-radius: 999px;
    border: none;
    cursor: pointer;
    background: linear-gradient(135deg, var(--c-primary), var(--c-primary-dark));
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 1px;
    box-shadow: 0 8px 20px rgba(30, 95, 255, .32);
    transition: all .25s;
}

.sc-submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 26px rgba(30, 95, 255, .4);
}

.sc-contact-info {
    background: linear-gradient(135deg, var(--c-primary-dark), var(--c-primary));
    border-radius: var(--radius);
    padding: 36px;
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: center;
    box-shadow: 0 14px 32px rgba(30, 95, 255, .28);
}

.sc-contact-info h3 {
    font-size: 22px;
    font-weight: 800;
    margin: 0 0 14px;
}

.sc-contact-info p {
    font-size: 14px;
    opacity: .9;
    line-height: 1.8;
    margin: 0 0 24px;
}

.sc-info-row {
    display: flex;
    gap: 14px;
    margin-bottom: 18px;
    align-items: center;
}

.sc-info-row i {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: rgba(255, 255, 255, .15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}

.sc-info-row small {
    font-size: 12px;
    opacity: .7;
}

.sc-info-row b {
    font-size: 15px;
    font-weight: 700;
}

.sc-qr-row {
    display: flex;
    gap: 16px;
    margin-top: 16px;
}

.sc-qr-box {
    width: 100px;
    height: 100px;
    border-radius: 10px;
    padding: 6px;
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sc-qr-box img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.sc-qr-label {
    font-size: 12px;
    opacity: .85;
    margin-top: 8px;
}

@media (max-width:767.98px) {
    .sc-contact-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .sc-contact-form,
    .sc-contact-info {
        padding: 28px 22px;
    }

    .sc-form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
}

/* ================= FAQ（一排四列卡片） ================= */
.sc-faq-list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
    max-width: 1400px;
    margin: 0 auto;
    align-items: stretch;
}

.sc-faq-item {
    background: #fff;
    border: 1px solid var(--c-border);
    border-radius: 14px;
    overflow: hidden;
    transition: box-shadow .25s, border-color .25s;
}

.sc-faq-item:hover {
    box-shadow: var(--shadow-sm);
    border-color: var(--c-primary-light);
}

.sc-faq-item[open] {
    box-shadow: var(--shadow-card);
    border-color: var(--c-primary-light);
}

.sc-faq-item summary {
    list-style: none;
    cursor: pointer;
    padding: 18px 20px;
    font-weight: 600;
    color: var(--c-deep);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    font-size: 14px;
    line-height: 1.5;
    background: #fff;
}

.sc-faq-item summary::-webkit-details-marker {
    display: none;
}

.sc-faq-item summary::after {
    content: "+";
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    line-height: 20px;
    text-align: center;
    border-radius: 50%;
    background: var(--c-blue-soft);
    color: var(--c-primary);
    font-size: 16px;
    font-weight: 700;
    margin-left: 10px;
    transition: transform .25s, background .2s;
}

.sc-faq-item[open] summary::after {
    content: "−";
    background: var(--c-primary);
    color: #fff;
    transform: rotate(180deg);
}

.sc-faq-answer {
    padding: 0 20px 20px;
    color: var(--c-muted);
    line-height: 1.85;
    font-size: 13.5px;
    border-top: 1px dashed var(--c-border);
}

@media (max-width:991.98px) {
    .sc-faq-list {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width:575.98px) {
    .sc-faq-list {
        grid-template-columns: 1fr;
    }
}

/* ================= 页脚 ================= */
.sc-footer {
    background: #0f1d38;
    color: #9bb0cc;
    padding: 56px 0 0;
}

.sc-footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
}

.sc-footer h5 {
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    margin: 0 0 18px;
}

.sc-footer p {
    font-size: 14px;
    line-height: 2;
    margin: 0;
}

.sc-footer ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sc-footer li {
    font-size: 14px;
    line-height: 2.1;
}

.sc-footer a {
    color: #9bb0cc;
}

.sc-footer a:hover {
    color: #fff;
}

.sc-footer .fa {
    width: 20px;
    color: #3a7bff;
}

.sc-fbrand {
    display: flex;
    align-items: center;
    margin-bottom: 16px;
}

.sc-fbrand img {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    margin-right: 10px;
    background: #fff;
    padding: 3px;
}

.sc-fbrand b {
    color: #fff;
    font-size: 18px;
    letter-spacing: 1px;
    display: block;
}

.sc-fbrand small {
    font-size: 10px;
    color: #567096;
    letter-spacing: 2px;
}

.sc-footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .08);
    padding: 16px 0;
    text-align: center;
    font-size: 13px;
    color: #6a7f9c;
}

.sc-footer-bottom a {
    color: #6a7f9c;
}

@media (max-width:767.98px) {
    .sc-footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 28px;
    }
}

@media (max-width:575.98px) {
    .sc-footer-grid {
        grid-template-columns: 1fr;
    }
}

/* ================= 返回顶部 ================= */
.sc-back-top {
    position: fixed;
    right: 22px;
    bottom: 80px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--c-primary);
    color: #fff;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1029;
    box-shadow: 0 8px 20px rgba(30, 95, 255, .35);
    cursor: pointer;
    font-size: 16px;
}

.sc-back-top.show {
    display: flex;
}

/* ================= 手机底部快捷条 ================= */
.sc-mobile-bar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1030;
    display: none;
    grid-template-columns: repeat(3, 1fr);
    background: #fff;
    box-shadow: 0 -4px 16px rgba(20, 33, 61, .08);
}

.sc-mobile-bar a {
    text-align: center;
    padding: 10px 0;
    font-size: 13px;
    color: var(--c-deep);
}

.sc-mobile-bar a i {
    display: block;
    font-size: 18px;
    margin-bottom: 3px;
    color: var(--c-primary);
}

.sc-mobile-bar a.sc-mb-call {
    background: linear-gradient(135deg, var(--c-primary), var(--c-primary-dark));
    color: #fff;
}

.sc-mobile-bar a.sc-mb-call i {
    color: #fff;
}

@media (max-width:767.98px) {
    .sc-mobile-bar {
        display: grid;
    }

    body {
        padding-bottom: 58px;
    }
}

/* sr-only */
.sr-only {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

/* ================= 产品详情 · 图片轮播 ================= */
.view {
    position: relative;
    max-width: 560px;
    margin: 0 auto;
    background: #fff;
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    padding: 24px;
}

.view .swiper-container {
    width: 100%;
}

.view .swiper-slide {
    height: auto;
    aspect-ratio: 1 / 1;
    max-width: 100%;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    text-align: center;
    background: #f7f9ff;
    border-radius: 12px;
}

.view .swiper-slide img {
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    user-select: none;
}

.view .arrow-left,
.view .arrow-right {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    width: 42px;
    height: 42px;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: rgba(20, 33, 61, .42);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity .25s, background .25s, transform .25s;
}

.view .arrow-left {
    left: 16px;
}

.view .arrow-right {
    right: 16px;
}

.view .arrow-left::before,
.view .arrow-right::before {
    content: "";
    width: 10px;
    height: 10px;
    border-left: 2px solid #fff;
    border-bottom: 2px solid #fff;
}

.view .arrow-left::before {
    transform: rotate(45deg);
    margin-left: 3px;
}

.view .arrow-right::before {
    transform: rotate(-135deg);
    margin-right: 3px;
}

.view:hover .arrow-left,
.view:hover .arrow-right,
.view .arrow-left:focus-visible,
.view .arrow-right:focus-visible {
    opacity: 1;
}

.view .arrow-left:hover,
.view .arrow-right:hover {
    background: var(--c-primary);
}

/* 缩略图 */
.preview {
    position: relative;
    max-width: 560px;
    margin: 16px auto 0;
    padding: 0 20px;
    box-sizing: border-box;
}

.preview .swiper-container {
    width: 100%;
}

.preview .swiper-slide {
    width: 68px;
    height: 68px;
    margin: 0 5px;
    padding: 4px;
    box-sizing: border-box;
    border: 2px solid var(--c-border);
    border-radius: 10px;
    background: #fff;
    overflow: hidden;
    cursor: pointer;
    opacity: .6;
    transition: opacity .2s, border-color .2s, box-shadow .2s;
}

.preview .swiper-slide img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    pointer-events: none;
}

.preview .swiper-slide:hover {
    opacity: .9;
}

.preview .active-nav {
    opacity: 1;
    border-color: var(--c-primary);
    box-shadow: var(--shadow-sm);
}

.preview .arrow-left,
.preview .arrow-right {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    width: 28px;
    height: 28px;
    padding: 0;
    border: 1px solid var(--c-border);
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 2px 8px rgba(20, 33, 61, .12);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background .2s, border-color .2s;
}

.preview .arrow-left {
    left: -6px;
}

.preview .arrow-right {
    right: -6px;
}

.preview .arrow-left::before,
.preview .arrow-right::before {
    content: "";
    width: 7px;
    height: 7px;
    border-left: 2px solid var(--c-muted);
    border-bottom: 2px solid var(--c-muted);
}

.preview .arrow-left::before {
    transform: rotate(45deg);
    margin-left: 2px;
}

.preview .arrow-right::before {
    transform: rotate(-135deg);
    margin-right: 2px;
}

.preview .arrow-left:hover,
.preview .arrow-right:hover {
    background: var(--c-primary);
    border-color: var(--c-primary);
}

.preview .arrow-left:hover::before,
.preview .arrow-right:hover::before {
    border-color: #fff;
}

/* 触屏设备主图箭头常驻显示 */
@media (hover: none) {
    .view .arrow-left,
    .view .arrow-right {
        opacity: .85;
    }
}

@media (max-width: 575.98px) {
    .view {
        padding: 14px;
        border-radius: 12px;
    }

    .view .swiper-slide {
        border-radius: 8px;
    }

    .view .arrow-left,
    .view .arrow-right {
        width: 36px;
        height: 36px;
        opacity: .85;
    }

    .view .arrow-left {
        left: 10px;
    }

    .view .arrow-right {
        right: 10px;
    }

    .preview .swiper-slide {
        width: 56px;
        height: 56px;
    }
}