/*! 服务项目页（自建正文）——像素壳无 Bootstrap，全自成一体，断点 480/768/992/1200。
    Hero 规格与产品中心 .pb 完全一致（PC 400px 白字 40px、移动 140px 居中），
    背景是本页专属 page-fwxm.jpg（2048x584 超清暗调）。 */

.sv-hero,
.sv-wrap,
.sv-ind,
.sv-cta { box-sizing: border-box; }

/* ----------------------------------------------------------------- Hero */
.sv-hero {
    /* full-bleed：外层宽度受平台 JS 影响，100vw + 负外边距始终铺满视口 */
    position: relative;
    width: 100vw;
    margin-left: calc(50% - 50vw);
    height: 400px;
    background: #0a1424 url("/uploads/banner/page-fwxm.jpg") 50% 50% / cover no-repeat;
    overflow: hidden;
}
.sv-hero__inner {
    max-width: 1200px;
    height: 100%;
    margin: 0 auto;
    padding: 0 16px 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
}
.sv-hero__title { margin: 0; font-size: 40px; font-weight: 700; line-height: 1.45; color: #fff; }
.sv-hero__sub { margin: 6px 0 0; font-size: 16px; line-height: 1.4; color: #eee; letter-spacing: .12em; }
.sv-hero__crumb { margin: 18px 0 0; font-size: 13px; color: rgba(255, 255, 255, .78); }
.sv-hero__crumb a { color: rgba(255, 255, 255, .78); text-decoration: none; }
.sv-hero__crumb a:hover { color: #fff; }
.sv-hero__crumb i { font-style: normal; margin: 0 8px; color: rgba(255, 255, 255, .5); }

/* --------------------------------------------------------------- 容器 */
.sv-wrap { max-width: 1200px; margin: 0 auto; padding: 0 16px; }
.sv-sec { padding-top: 46px; }

.sv-head { text-align: center; margin-bottom: 28px; }
.sv-head__en {
    margin: 0 0 6px;
    font-size: 12px;
    letter-spacing: .2em;
    color: #9aa1ad;
    text-transform: uppercase;
}
.sv-head h2 { margin: 0; font-size: 26px; font-weight: 700; color: #1a2433; line-height: 1.4; }
.sv-head h2::after {
    content: "";
    display: block;
    width: 36px;
    height: 3px;
    margin: 12px auto 0;
    border-radius: 2px;
    background: #2b7fd4;
}
.sv-head__desc { margin: 12px auto 0; max-width: 660px; font-size: 14px; line-height: 1.75; color: #6b7280; }

/* ----------------------------------------------------------- 核心服务卡 */
.sv-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
.sv-card {
    background: #fff;
    border: 1px solid #e6e8eb;
    border-radius: 8px;
    padding: 26px 22px;
    transition: border-color .2s, box-shadow .2s, transform .2s;
}
.sv-card:hover {
    border-color: #9cc3e8;
    box-shadow: 0 10px 26px rgba(43, 127, 212, .12);
    transform: translateY(-3px);
}
.sv-card__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    border-radius: 10px;
    background: #eaf3fc;
    color: #2b7fd4;
}
.sv-card h3 { margin: 16px 0 8px; font-size: 17px; font-weight: 600; color: #1a2433; line-height: 1.5; }
.sv-card p { margin: 0; font-size: 13px; line-height: 1.85; color: #6b7280; }

/* ------------------------------------------------------------- 服务流程 */
.sv-flow {
    margin-top: 46px;
    padding: 40px 24px 44px;
    background: #f5f7fa;
    border-radius: 10px;
}
.sv-steps { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 22px; }
/* 原站样式表有 `ol li { list-style: decimal }`（优先级 0,1,1 压过 .sv-steps），
   会在圆圈序号外再渲染一层 "1. 2."，这里在 li 级别同样关掉 */
.sv-steps > li { list-style: none; }
.sv-step { position: relative; text-align: center; }
.sv-step__num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: #2b7fd4;
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    line-height: 1;
}
.sv-step h3 { margin: 12px 0 6px; font-size: 15.5px; font-weight: 600; color: #1a2433; }
.sv-step p { margin: 0; font-size: 13px; line-height: 1.7; color: #6b7280; }

/* ------------------------------------------------------- 服务行业深色带 */
.sv-ind {
    width: 100vw;
    margin-left: calc(50% - 50vw);
    margin-top: 46px;
    padding: 44px 0 46px;
    background: #0f1b2d;
    color: #fff;
}
.sv-ind__inner { max-width: 1200px; margin: 0 auto; padding: 0 16px; }
.sv-head--dark h2 { color: #fff; }
.sv-head--dark .sv-head__en { color: rgba(255, 255, 255, .55); }
.sv-ind__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.sv-ind__item {
    text-align: center;
    padding: 20px 8px 18px;
    border: 1px solid rgba(255, 255, 255, .22);
    border-radius: 8px;
    background: rgba(255, 255, 255, .07);
    transition: background-color .2s, border-color .2s;
}
.sv-ind__item:hover {
    border-color: rgba(255, 255, 255, .34);
    background: rgba(255, 255, 255, .11);
}
.sv-ind__icon { display: inline-flex; color: #7db8f0; }
.sv-ind__item h3 { margin: 10px 0 4px; font-size: 16px; font-weight: 600; color: #fff; }
.sv-ind__item p { margin: 0; font-size: 11.5px; letter-spacing: .04em; color: rgba(255, 255, 255, .55); }

/* ------------------------------------------------------------ 底部咨询条 */
.sv-cta {
    width: 100vw;
    margin-left: calc(50% - 50vw);
    margin-top: 46px;
    padding: 34px 0;
    /* 品牌深蓝 #1c66b0：白字实测对比度 ≈5.9:1（纯 #2b7fd4 只有 4.1:1，小字不达标） */
    background: #1c66b0;
    color: #fff;
}
.sv-cta__inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 22px;
    text-align: center;
}
.sv-cta h2 { margin: 0 0 6px; font-size: 24px; font-weight: 700; color: #fff; }
.sv-cta__text p { margin: 0; font-size: 14px; color: rgba(255, 255, 255, .95); }
.sv-cta__acts { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 14px; }

.sv-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 44px;
    padding: 0 22px;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: opacity .2s, background-color .2s;
}
.sv-btn--white { background: #fff; color: #1c66b0; }
.sv-btn--white:hover { opacity: .92; }
.sv-btn--ghost { border: 1px solid rgba(255, 255, 255, .85); color: #fff; }
.sv-btn--ghost:hover { background: rgba(255, 255, 255, .14); }

.sv-cta__qr {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    width: 112px;
    padding: 8px 8px 6px;
    background: #fff;
    border-radius: 8px;
    text-decoration: none;
    transition: box-shadow .2s, transform .2s;
}
.sv-cta__qr:hover { box-shadow: 0 8px 20px rgba(0, 0, 0, .28); transform: translateY(-2px); }
.sv-cta__qr img { display: block; width: 96px; height: 96px; }
.sv-cta__qr em { font-style: normal; font-size: 11px; color: #6b7280; }

/* ================================================================ 断点 */
@media (min-width: 768px) {
    .sv-grid { grid-template-columns: repeat(2, 1fr); }

    /* 流程横排：序号间连线 */
    .sv-steps { flex-direction: row; gap: 0; }
    .sv-step { flex: 1 1 0; }
    .sv-step:not(:last-child)::after {
        content: "";
        position: absolute;
        top: 21px;
        left: calc(50% + 30px);
        right: calc(-50% + 30px);
        height: 2px;
        background: #cfe3f7;
    }

    .sv-ind__grid { grid-template-columns: repeat(4, 1fr); }

    .sv-cta__inner { flex-direction: row; justify-content: space-between; text-align: left; gap: 24px; }
}

@media (min-width: 992px) {
    .sv-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 1200px) {
    .sv-head h2 { font-size: 28px; }
}

/* 移动端：与产品中心 Banner 同规格 */
@media (max-width: 767px) {
    .sv-hero { height: 140px; }
    .sv-hero__inner {
        padding: 0 12px;
        justify-content: center;
        align-items: center;
        text-align: center;
    }
    .sv-hero__title { font-size: 18px; }
    .sv-hero__sub { font-size: 12px; margin-top: 4px; }
    .sv-hero__crumb { margin-top: 8px; font-size: 12px; }

    .sv-sec { padding-top: 34px; }
    .sv-head h2 { font-size: 22px; }
    .sv-head__desc { font-size: 13px; }

    .sv-flow { margin-top: 34px; padding: 28px 14px 32px; }
    .sv-steps { gap: 18px; }

    .sv-ind { margin-top: 34px; padding: 32px 0 34px; }
    .sv-cta { margin-top: 34px; padding: 28px 0; }
    .sv-cta h2 { font-size: 20px; }
    .sv-cta__acts { width: 100%; }
    .sv-btn { flex: 1 1 auto; min-width: 148px; }
}

@media (max-width: 479px) {
    .sv-ind__grid { gap: 12px; }
    .sv-ind__item { padding: 16px 6px 14px; }
    .sv-ind__item h3 { font-size: 15px; }
    .sv-btn { min-width: 128px; padding: 0 14px; }
}