/* =========================================================
   绩效宝·轻管 产品页样式 —— 对标北森绩效产品页布局
   （2026-09-25 三轮定稿：Banner+图轮播 / 图文交替块 /
     客户案例 / FAQ / 底部CTA；字号字重按北森规格）
   版本：v20260925e
   ========================================================= */

:root {
    --qg-blue: #2563eb;
    --qg-blue-dark: #1d4ed8;
    --qg-blue-deep: #0a2f7f;
    --qg-ink: #111111;
    --qg-text: #333333;
    --qg-sub: #666666;
    --qg-line: #ececec;
    --qg-shot-bg: #eaf3fe;
    --qg-dot: #c5d7f2;
    --qg-radius: 12px;
    --qg-shadow: 0 8px 24px rgba(15, 23, 42, .08);
}

* { box-sizing: border-box; }

main {
    font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: var(--qg-text);
    background: #fff;
}

main img { max-width: 100%; }

.qg-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
}

.qg-section { padding: 56px 0; }

/* ---------- 通用标题（北森规格：h2 24px/500 #111） ---------- */
.qg-h2 {
    font-size: 24px;
    font-weight: 500;
    color: var(--qg-ink);
    text-align: center;
    margin: 0 0 12px;
}

.qg-sec-sub {
    text-align: center;
    color: var(--qg-sub);
    font-size: 14px;
    margin: 0 0 40px;
}

/* ---------- 按钮（北森规格：胶囊 40px 高，14px 字） ---------- */
.qg-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 40px;
    padding: 0 26px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all .2s ease;
    border: 1px solid transparent;
    white-space: nowrap;
}

.qg-btn-primary { background: #ea580c; color: #fff; }
.qg-btn-primary:hover { background: #c2410c; }

.qg-btn-white { background: #fff; color: var(--qg-blue); }
.qg-btn-white:hover { background: #eaf2ff; }

.qg-btn-ghost { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .65); }
.qg-btn-ghost:hover { background: rgba(255, 255, 255, .12); }

.qg-btn-outline-blue { background: #fff; color: var(--qg-blue); border-color: var(--qg-blue); }
.qg-btn-outline-blue:hover { background: var(--qg-blue); color: #fff; }

/* =========================================================
   首屏 Banner
   ========================================================= */
.qg-hero {
    background: linear-gradient(115deg, var(--qg-blue-deep) 0%, #1e56d6 55%, var(--qg-blue) 100%);
    color: #fff;
    padding: 64px 0 60px;
    overflow: hidden;
}

.qg-hero-grid {
    display: grid;
    grid-template-columns: 5fr 6fr;
    gap: 48px;
    align-items: center;
}

.qg-hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: 999px;
    background: rgba(255, 255, 255, .14);
    font-size: 13px;
    margin-bottom: 18px;
}

.qg-hero h1 {
    font-size: 40px;
    font-weight: 600;
    line-height: 1.3;
    color: #fff;
    margin: 0 0 16px;
}

.qg-hero-sub {
    font-size: 16px;
    line-height: 1.8;
    color: rgba(255, 255, 255, .86);
    margin: 0 0 26px;
}

.qg-hero-btns {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 22px;
}

.qg-hero-points {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.qg-hero-points li {
    font-size: 13px;
    color: rgba(255, 255, 255, .8);
}

.qg-hero-points i { color: #7dd3fc; margin-right: 8px; }

/* =========================================================
   轮播组件（首屏 + 每个功能块图片共用）
   ========================================================= */
.qg-carousel {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
}

.qg-track {
    display: flex;
    transition: transform .45s ease;
}

.qg-slide {
    min-width: 100%;
    background: linear-gradient(135deg, #e3edfd, #cfe0fa);
}

.qg-slide img {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

.qg-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, .88);
    color: var(--qg-blue);
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(15, 23, 42, .18);
    transition: background .2s;
}

.qg-arrow:hover { background: #fff; }
.qg-arrow-prev { left: 12px; }
.qg-arrow-next { right: 12px; }

.qg-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    padding: 14px 0 2px;
}

.qg-dot {
    width: 8px;
    height: 8px;
    border-radius: 999px;
    background: var(--qg-dot);
    border: none;
    padding: 0;
    cursor: pointer;
    transition: all .25s ease;
}

.qg-dot.on { width: 22px; background: var(--qg-blue); }

/* 首屏轮播内的圆点用浅色 */
.qg-hero .qg-dot { background: rgba(255, 255, 255, .4); }
.qg-hero .qg-dot.on { background: #fff; }

/* =========================================================
   六大模块总览
   ========================================================= */
.qg-overview-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
}

.qg-overview-item {
    background: #f7faff;
    border: 1px solid #e8effc;
    border-radius: var(--qg-radius);
    padding: 22px 12px;
    text-align: center;
    transition: box-shadow .2s, transform .2s;
}

.qg-overview-item:hover { box-shadow: var(--qg-shadow); transform: translateY(-2px); }

.qg-overview-item i {
    font-size: 22px;
    color: var(--qg-blue);
    margin-bottom: 10px;
}

.qg-overview-item strong {
    display: block;
    font-size: 15px;
    font-weight: 600;
    color: var(--qg-ink);
    margin-bottom: 4px;
}

.qg-overview-item span {
    font-size: 12px;
    color: var(--qg-sub);
}

/* =========================================================
   功能图文交替块（北森规格：h3 18px/500，p 14px/21px #333）
   ========================================================= */
.qg-feature { padding: 40px 0; }

.qg-feature-grid {
    display: grid;
    grid-template-columns: 5fr 6fr;
    gap: 56px;
    align-items: center;
}

/* 偶数块图在左、文在右 */
.qg-feature-alt .qg-feature-text { order: 2; }
.qg-feature-alt .qg-feature-media { order: 1; }

.qg-kicker {
    display: inline-flex;
    align-items: center;
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    background: var(--qg-blue);
    padding: 5px 14px;
    border-radius: 999px;
    margin-bottom: 14px;
}

.qg-feature-text h3 {
    font-size: 26px;
    font-weight: 700;
    line-height: 1.3;
    color: var(--qg-ink);
    margin: 0 0 14px;
}

.qg-feature-text p {
    font-size: 14px;
    line-height: 21px;
    color: var(--qg-text);
    margin: 0 0 16px;
}

.qg-list {
    list-style: none;
    margin: 0 0 24px;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.qg-list li { font-size: 14px; color: var(--qg-text); }
.qg-list i { color: var(--qg-blue); margin-right: 10px; font-size: 13px; }

/* 截图面板（北森浅蓝圆角容器样式） */
.qg-shot {
    background: var(--qg-shot-bg);
    border-radius: var(--qg-radius);
    padding: 0;
}

/* =========================================================
   客户案例
   ========================================================= */
.qg-cases-sec { background: #f7f9fc; }

.qg-case-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.qg-case-card {
    display: block;
    background: #fff;
    border: 1px solid var(--qg-line);
    border-radius: var(--qg-radius);
    overflow: hidden;
    text-decoration: none;
    transition: box-shadow .2s, transform .2s;
}

.qg-case-card:hover { box-shadow: var(--qg-shadow); transform: translateY(-3px); }

.qg-case-card img {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    background: linear-gradient(135deg, #e3edfd, #cfe0fa);
}

.qg-case-body { padding: 18px; }

.qg-case-tag {
    display: inline-block;
    font-size: 12px;
    color: var(--qg-blue);
    background: #eaf2ff;
    border-radius: 999px;
    padding: 2px 10px;
    margin-bottom: 10px;
}

.qg-case-body strong {
    display: block;
    font-size: 17px;
    font-weight: 600;
    color: var(--qg-ink);
    margin-bottom: 8px;
}

.qg-case-body p {
    font-size: 13px;
    color: var(--qg-sub);
    margin: 0;
}

.qg-cases-more { text-align: center; margin-top: 32px; }

/* =========================================================
   常见问题
   ========================================================= */
.qg-faq-list { max-width: 860px; margin: 0 auto; }

.qg-faq-item {
    border-bottom: 1px solid var(--qg-line);
}

.qg-faq-item summary {
    position: relative;
    list-style: none;
    font-size: 16px;
    font-weight: 500;
    color: var(--qg-ink);
    padding: 18px 36px 18px 0;
    cursor: pointer;
}

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

.qg-faq-item summary::after {
    content: "+";
    position: absolute;
    right: 6px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 20px;
    font-weight: 400;
    color: var(--qg-blue);
    transition: transform .2s;
}

.qg-faq-item[open] summary::after { content: "−"; }

.qg-faq-item p {
    font-size: 14px;
    line-height: 1.8;
    color: #555;
    margin: 0;
    padding: 0 36px 18px 0;
}

/* =========================================================
   底部 CTA（北森两列式疑问区）
   ========================================================= */
.qg-cta {
    background: linear-gradient(115deg, var(--qg-blue-deep) 0%, var(--qg-blue) 100%);
    color: #fff;
    padding: 56px 0;
}

.qg-cta-grid {
    display: grid;
    grid-template-columns: 7fr 5fr;
    gap: 32px;
    align-items: center;
}

.qg-cta-text h2 {
    font-size: 24px;
    font-weight: 500;
    color: #fff;
    margin: 0 0 10px;
}

.qg-cta-text p {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255, 255, 255, .82);
    margin: 0;
}

.qg-cta-btns {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.qg-cta-entries {
    display: flex;
    gap: 26px;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 36px;
    padding-top: 26px;
    border-top: 1px solid rgba(255, 255, 255, .18);
}

.qg-cta-entries a {
    color: rgba(255, 255, 255, .85);
    font-size: 14px;
    text-decoration: none;
}

.qg-cta-entries a:hover { color: #fff; }
.qg-cta-entries i { margin-right: 8px; }

/* =========================================================
   响应式（北森断点：1200 / 992 / 768 / 568）
   ========================================================= */
@media (max-width: 1200px) {
    .qg-container { padding: 0 20px; }
    .qg-feature-grid { gap: 40px; }
}

@media (max-width: 992px) {
    .qg-hero-grid { grid-template-columns: 1fr; gap: 36px; }
    .qg-hero h1 { font-size: 32px; }

    .qg-feature-grid { grid-template-columns: 1fr; gap: 28px; }
    .qg-feature-text { order: 1 !important; }
    .qg-feature-media { order: 2 !important; }

    .qg-overview-grid { grid-template-columns: repeat(3, 1fr); }

    .qg-cta-grid { grid-template-columns: 1fr; gap: 24px; }
    .qg-cta-btns { justify-content: flex-start; }
}

@media (max-width: 768px) {
    .qg-section { padding: 44px 0; }
    .qg-hero { padding: 44px 0 40px; }
    .qg-hero h1 { font-size: 27px; }
    .qg-hero-sub { font-size: 15px; }

    .qg-h2 { font-size: 20px; }
    .qg-sec-sub { margin-bottom: 28px; }

    .qg-case-grid { grid-template-columns: 1fr; }
    .qg-overview-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }

    .qg-feature { padding: 32px 0; }
    .qg-shot { padding: 0; }

    .qg-arrow { display: none; }
}

@media (max-width: 568px) {
    .qg-container { padding: 0 14px; }

    .qg-hero-btns { flex-direction: column; }
    .qg-hero-btns .qg-btn { width: 100%; }

    .qg-cta-btns { flex-direction: column; }
    .qg-cta-btns .qg-btn { width: 100%; }

    .qg-cta-entries { flex-direction: column; align-items: center; gap: 14px; }

    .qg-list li { font-size: 13px; }
}