/* ============================================================
   技术支持页 jszc.html
   与首页 / yfsl.html / jszc / jszl / jsfw 保持统一：
   品牌红 #E73216 + 品牌橙 #EA5B16、思源黑体、rem 字号节奏、
   WOW fadeInUp 进场动效、991 / 767 响应式断点

   注：本站 html 根字号为 calc(100vw/19.2)，1920 下 1rem = 100px。
   上一版本后半段把 rem 当 16px 用（padding: 4rem / 2.5rem 等），
   导致区块内边距渲染成 400px、下载卡片被撑出 138px 横向滚动条，
   本次全部按根字号 100px 重算。
   ============================================================ */
.jszc-page {
    background: #f6f8f8;
    color: #625F5D;
}

/* ---------- Hero ---------- */
.jszc-page .jszc-hero {
    background: #101d22;
    color: #fff;
    min-height: 6.6rem;
    overflow: hidden;
    position: relative;
}

/* ---------- Banner 背景图 ----------
   图片由页面 HTML 提供（<div class="jszc-hero-bg"><img src="..."></div>），
   这样每页可单独替换，不再依赖本文件里的统一图片。 */
.jszc-page .jszc-hero-bg {
    inset: 0;
    overflow: hidden;
    position: absolute;
}
.jszc-page .jszc-hero-bg::after {
    background: rgba(16,29,34,.42);
    content: "";
    inset: 0;
    position: absolute;
}
.jszc-page .jszc-hero-bg img {
    display: block;
    height: 100%;
    object-fit: cover;
    object-position: center;
    width: 100%;
}
.jszc-hero-grid {
    background-image:
        linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
    background-size: 42px 42px;
    inset: 0;
    position: absolute;
    -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 20%, transparent 72%);
    mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 20%, transparent 72%);
}
.jszc-hero-glow {
    background: radial-gradient(circle, rgba(244, 123, 104, .34) 0%, transparent 62%);
    height: 4.6rem;
    position: absolute;
    right: -.6rem;
    top: -1.2rem;
    width: 5.4rem;
}
.jszc-hero-inner {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(3.2rem, 4.6rem);
    min-height: 5.2rem;
    padding-top: .5rem;
    position: relative;
    z-index: 2;
}
.jszc-breadcrumb {
    align-items: center;
    color: rgba(255, 255, 255, .62);
    display: flex;
    flex-wrap: wrap;
    font-size: 13px;
    gap: 10px;
    grid-column: 1/-1;
    margin-bottom: .22rem;
}
.jszc-breadcrumb a { color: rgba(255, 255, 255, .62); }
.jszc-breadcrumb strong { color: #fff; font-weight: 400; }
.jszc-hero-copy {
    align-self: center;
    padding-bottom: .3rem;
}
.jszc-eyebrow {
    color: #f47b68;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .17em;
    line-height: 1.4;
}
.jszc-hero h1 {
    font-size: 52px;
    font-weight: 700;
    letter-spacing: -.03em;
    line-height: 1.12;
    margin-top: .14rem;
}
.jszc-hero h1 em,
.jszc-promise-copy h2 em,
.jszc-feedback h2 em,
.jszc-download h2 em,
.jszc-faq h2 em {
    color: #f47b68;
    font-style: normal;
}
.jszc-hero-copy > p {
    color: rgba(255, 255, 255, .72);
    font-size: clamp(15px, 1.05vw, 18px);
    line-height: 1.8;
    margin-top: .22rem;
    max-width: 6.4rem;
}
.jszc-hero-actions {
    align-items: center;
    display: flex;
    gap: .26rem;
    margin-top: .32rem;
}
.jszc-primary-action {
    align-items: center;
    background: var(--brand-primary, #E73216);
    border: 1px solid var(--brand-primary, #E73216);
    border-radius: 999px;
    color: #fff;
    display: inline-flex;
    font-size: 15px;
    font-weight: 600;
    gap: .12rem;
    line-height: 1;
    padding: .16rem .34rem;
    text-decoration: none;
    transition: background-color .3s, box-shadow .3s, transform .3s;
}
.jszc-primary-action span {
    font-size: 17px;
    font-weight: 400;
    line-height: 1;
    transition: transform .3s;
}
.jszc-primary-action:hover {
    background: #c92b11;
    box-shadow: 0 10px 24px rgba(231, 50, 22, .3);
    color: #fff;
    transform: translateY(-2px);
}
.jszc-primary-action:hover span { transform: translateX(3px); }
.jszc-text-action {
    border: 1px solid rgba(255, 255, 255, .34);
    border-radius: 999px;
    color: rgba(255, 255, 255, .9);
    display: inline-flex;
    font-size: 15px;
    gap: .1rem;
    line-height: 1;
    padding: .16rem .32rem;
    text-decoration: none;
    transition: border-color .3s, color .3s, background-color .3s;
}
.jszc-text-action:hover {
    background: rgba(255, 255, 255, .1);
    border-color: #fff;
    color: #fff;
}
.jszc-hero-badge {
    align-items: center;
    display: flex;
    justify-content: center;
    position: relative;
}
.jszc-badge-halo {
    background: radial-gradient(circle, rgba(244, 123, 104, .5) 0%, transparent 64%);
    border-radius: 50%;
    height: 3.4rem;
    position: absolute;
    width: 3.4rem;
}
.jszc-badge-core {
    align-items: center;
    border: 1px solid rgba(255, 255, 255, .22);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    height: 2.1rem;
    justify-content: center;
    position: relative;
    text-align: center;
    width: 2.1rem;
}
.jszc-badge-core small {
    color: #f47b68;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .12em;
}
.jszc-badge-core strong {
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .04em;
    line-height: 1.25;
    margin-top: .05rem;
}

/* ---------- 区块通用 ---------- */
.jszc-section-head {
    align-items: flex-end;
    display: flex;
    gap: .4rem;
    justify-content: space-between;
    margin-bottom: .42rem;
}
.jszc-section-head h2,
.jszc-feedback h2,
.jszc-download h2,
.jszc-faq h2 {
    color: #231815;
    font-size: clamp(28px, 2.35vw, 42px);
    font-weight: 700;
    letter-spacing: -.01em;
    line-height: 1.25;
    margin: .14rem 0 0;
}
.jszc-section-head > p {
    color: #9A9591;
    flex: 0 1 auto;
    font-size: 15px;
    line-height: 1.7;
    margin: 0 0 .05rem;
    min-width: 4rem;
    text-align: right;
}

/* ---------- 技术服务中心 ---------- */
.jszc-center {
    background: #fff;
    padding: .8rem 0;
}
.jszc-center-grid {
    display: grid;
    gap: .3rem;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}
.jszc-center-card {
    align-items: flex-start;
    background: #f6f8f8;
    border: 1px solid #f0f2f3;
    border-radius: .12rem;
    box-sizing: border-box;
    display: flex;
    gap: .24rem;
    padding: .36rem .34rem;
    transition: border-color .3s, box-shadow .3s, transform .3s;
}
.jszc-center-card:hover {
    border-color: rgba(231, 50, 22, .18);
    box-shadow: 0 16px 34px rgba(35, 24, 21, .1);
    transform: translateY(-4px);
}
.jszc-center-ico {
    align-items: center;
    background: linear-gradient(135deg, var(--brand-primary, #E73216) 0%, var(--brand-orange, #EA5B16) 100%);
    border-radius: 50%;
    box-shadow: 0 10px 20px rgba(231, 50, 22, .22);
    color: #fff;
    display: flex;
    flex: 0 0 auto;
    height: .68rem;
    justify-content: center;
    width: .68rem;
}
.jszc-center-ico svg { height: .32rem; width: .32rem; }
.jszc-center-body { min-width: 0; }
.jszc-center-body h3 {
    color: #231815;
    font-size: 17px;
    font-weight: 700;
    line-height: 1.4;
    margin: 0 0 .08rem;
}
.jszc-center-body p {
    color: #625F5D;
    font-size: 15px;
    line-height: 1.7;
    margin: 0;
    word-break: break-all;
}
.jszc-center-body a { color: #625F5D; text-decoration: none; }
.jszc-center-body a:hover { color: var(--brand-primary, #E73216); }

/* ---------- 问题反馈表单 ---------- */
.jszc-feedback {
    background: #f6f8f8;
    padding: .8rem 0;
}
.jszc-form {
    background: #fff;
    border: 1px solid #f0f2f3;
    border-radius: .12rem;
    box-shadow: 0 12px 30px rgba(35, 24, 21, .06);
    box-sizing: border-box;
    padding: .46rem .5rem .5rem;
}
.jszc-form-grid {
    display: grid;
    gap: .3rem .34rem;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}
.jszc-form-item {
    display: flex;
    flex-direction: column;
    min-width: 0;
}
.jszc-form-item--full { grid-column: 1 / -1; }
.jszc-form-item label {
    color: #231815;
    font-size: 14px;
    font-weight: 600;
    line-height: 1.5;
    margin-bottom: .12rem;
}
.jszc-form-item label i {
    color: var(--brand-primary, #E73216);
    font-style: normal;
    margin-left: 4px;
}
.jszc-form-item input,
.jszc-form-item select,
.jszc-form-item textarea {
    background: #FAFAF8;
    border: 1px solid #E5E0DC;
    border-radius: .08rem;
    box-sizing: border-box;
    color: #231815;
    font-family: inherit;
    font-size: 14px;
    line-height: 1.5;
    padding: .14rem .16rem;
    transition: background .3s, border-color .3s;
    width: 100%;
}
.jszc-form-item textarea { min-height: 1.4rem; resize: vertical; }
.jszc-form-item input:focus,
.jszc-form-item select:focus,
.jszc-form-item textarea:focus {
    background: #fff;
    border-color: var(--brand-primary, #E73216);
    outline: none;
}
.jszc-form-item input::placeholder,
.jszc-form-item textarea::placeholder { color: #B4AFAB; }
.jszc-form-submit {
    align-items: center;
    display: flex;
    gap: .3rem;
    margin-top: .4rem;
}
.jszc-form-submit button {
    border: none;
    cursor: pointer;
    font-family: inherit;
    font-size: 15px;
}
.jszc-form-tip {
    color: #9A9591;
    font-size: 13px;
    line-height: 1.6;
    margin: 0;
}

/* ---------- 技术资料 ---------- */
.jszc-download {
    background: #fff;
    padding: .8rem 0;
}
.jszc-download-grid {
    display: grid;
    gap: .34rem;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}
.jszc-download-card {
    align-items: flex-start;
    background: #f6f8f8;
    border: 1px solid #f0f2f3;
    border-radius: .12rem;
    box-sizing: border-box;
    display: flex;
    gap: .3rem;
    padding: .42rem .4rem;
    transition: border-color .3s, box-shadow .3s, transform .3s;
}
.jszc-download-card:hover {
    border-color: rgba(231, 50, 22, .18);
    box-shadow: 0 16px 34px rgba(35, 24, 21, .1);
    transform: translateY(-4px);
}
.jszc-download-icon {
    align-items: center;
    background: #FFF3EC;
    border-radius: 50%;
    color: var(--brand-primary, #E73216);
    display: flex;
    flex: 0 0 auto;
    height: .72rem;
    justify-content: center;
    width: .72rem;
}
.jszc-download-icon svg { height: .34rem; width: .34rem; }
.jszc-download-body { min-width: 0; }
.jszc-download-body h3 {
    color: #231815;
    font-size: 18px;
    font-weight: 700;
    line-height: 1.4;
    margin: 0 0 .1rem;
}
.jszc-download-body p {
    color: #625F5D;
    font-size: 14px;
    line-height: 1.7;
    margin: 0 0 .2rem;
}
.jszc-download-btn {
    color: var(--brand-primary, #E73216);
    display: inline-flex;
    font-size: 14px;
    font-weight: 600;
    gap: .08rem;
    text-decoration: none;
}
.jszc-download-btn span { transition: transform .3s; }
.jszc-download-btn:hover { color: #c92b11; }
.jszc-download-btn:hover span { transform: translateX(3px); }

/* ---------- 常见问题（原生 details 折叠，无需 JS） ---------- */
.jszc-faq {
    background: #f6f8f8;
    padding: .8rem 0;
}
.jszc-faq-list {
    display: grid;
    gap: .18rem;
}
.jszc-faq-item {
    background: #fff;
    border: 1px solid #f0f2f3;
    border-radius: .12rem;
    box-sizing: border-box;
    overflow: hidden;
    transition: border-color .3s, box-shadow .3s;
}
.jszc-faq-item[open] {
    border-color: rgba(231, 50, 22, .2);
    box-shadow: 0 14px 30px rgba(35, 24, 21, .07);
}
.jszc-faq-q {
    align-items: flex-start;
    color: #231815;
    cursor: pointer;
    display: flex;
    font-size: clamp(16px, 1.15vw, 18px);
    font-weight: 700;
    gap: .2rem;
    line-height: 1.5;
    list-style: none;
    margin: 0;
    padding: .34rem .4rem;
    transition: color .3s;
}
.jszc-faq-q::-webkit-details-marker { display: none; }
.jszc-faq-q::after {
    color: var(--brand-primary, #E73216);
    content: "+";
    flex: 0 0 auto;
    font-size: 22px;
    font-weight: 400;
    line-height: 1;
    margin-left: auto;
    transition: transform .3s;
}
.jszc-faq-item[open] .jszc-faq-q { color: var(--brand-primary, #E73216); }
.jszc-faq-item[open] .jszc-faq-q::after { content: "−"; }
.jszc-faq-q:hover { color: var(--brand-primary, #E73216); }
.jszc-faq-a {
    border-top: 1px solid #f2f4f5;
    margin: 0 .4rem;
    padding: .3rem 0 .36rem;
}
.jszc-faq-a p {
    color: #625F5D;
    font-size: 15px;
    line-height: 1.85;
    margin: 0 0 .18rem;
}
.jszc-faq-a p:last-child { margin-bottom: 0; }
.jszc-faq-a strong { color: #231815; font-weight: 700; }
.jszc-faq-a ul {
    list-style: none;
    margin: .1rem 0 0;
    padding: 0;
}
.jszc-faq-a li {
    border-left: 2px solid var(--brand-orange, #EA5B16);
    color: #625F5D;
    font-size: 14px;
    line-height: 1.8;
    margin-top: .18rem;
    padding-left: .24rem;
}
.jszc-faq-a li strong { color: #231815; }

/* 「查看全部常见问题」入口（常见问题独立页 faq.html） */
.jszc-faq-more {
    margin-top: .3rem;
    text-align: center;
}

/* ---------- CTA ---------- */
.jszc-cta {
    background: #fff;
    padding: 0 0 .8rem;
}
.jszc-cta-inner {
    align-items: center;
    background: linear-gradient(120deg, #E73216 0%, #EA5B16 100%);
    border-radius: .12rem;
    box-shadow: 0 14px 30px rgba(234, 91, 22, .22);
    color: #fff;
    display: flex;
    gap: .4rem;
    justify-content: space-between;
    overflow: hidden;
    padding: .5rem .6rem;
    position: relative;
}
.jszc-cta-inner::after {
    background: radial-gradient(circle, rgba(255, 255, 255, .3) 0%, transparent 60%);
    content: "";
    height: 3rem;
    position: absolute;
    right: -.6rem;
    top: -1rem;
    width: 3.6rem;
}
.jszc-cta .jszc-eyebrow { color: rgba(255, 255, 255, .82); }
.jszc-cta h2 {
    color: #fff;
    font-size: clamp(22px, 2vw, 30px);
    font-weight: 700;
    line-height: 1.35;
    margin: .12rem 0 .1rem;
}
.jszc-cta p {
    color: rgba(255, 255, 255, .92);
    font-size: 15px;
    line-height: 1.8;
    margin: 0;
}
.jszc-cta-inner > a {
    position: relative;
    white-space: nowrap;
    z-index: 1;
}
.jszc-cta-inner .jszc-primary-action {
    background: #fff;
    border-color: #fff;
    color: var(--brand-primary, #E73216);
}
.jszc-cta-inner .jszc-primary-action:hover {
    background: #fff3ec;
    border-color: #fff;
    color: var(--brand-primary, #E73216);
}

/* ---------- 响应式 ---------- */
@media (max-width: 991px) {
    .jszc-hero-inner { grid-template-columns: 1fr; }
    .jszc-hero-badge { display: none; }
    .jszc-section-head { align-items: flex-start; flex-direction: column; gap: .1rem; }
    .jszc-section-head > p { max-width: none; text-align: left; }
    .jszc-center-grid { grid-template-columns: 1fr; }
    .jszc-form-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .jszc-download-grid { grid-template-columns: 1fr; }
    .jszc-cta-inner { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 767px) {
    .jszc-hero-inner {
        grid-template-columns: 1fr;
        min-height: 4.8rem;
        padding-top: .34rem;
    }
    .jszc-hero h1 { font-size: clamp(30px, 8vw, 44px); }
    .jszc-center,
    .jszc-feedback,
    .jszc-download,
    .jszc-faq { padding: .62rem 0; }
    .jszc-form { padding: .34rem .3rem .38rem; }
    .jszc-form-grid { grid-template-columns: 1fr; gap: .24rem; }
    .jszc-form-submit { align-items: stretch; flex-direction: column; }
    .jszc-form-submit button { justify-content: center; width: 100%; }
    .jszc-form-tip { text-align: center; }
    .jszc-download-card { flex-direction: column; gap: .2rem; padding: .34rem .3rem; }
    .jszc-faq-q { font-size: 15px; padding: .28rem .3rem; }
    .jszc-faq-a { margin: 0 .3rem; }
    .jszc-cta-inner { padding: .42rem .36rem; }
}
@media (max-width: 380px) {
    .jszc-hero-actions { align-items: flex-start; flex-direction: column; }
}