/* ==========================================
   浙江大市场 - 推广服务页面样式 (promotion.css)
   参考 B2B 平台营销推广页面视觉风格
   ========================================== */

.promotion-page {
    min-width: 0;
    background: #f5f6f8;
    color: #222;
}

.promotion-page .container {
    width: min(1400px, calc(100% - 48px));
}

/* ========== Hero 区域 ========== */
.promotion-hero {
    position: relative;
    overflow: hidden;
    padding: 72px 0 80px;
    background: linear-gradient(160deg, #1a1f2e 0%, #252d3f 40%, #1e2d3d 100%);
    color: #fff;
}

.promotion-hero::before {
    content: "";
    position: absolute;
    top: -180px;
    right: -120px;
    width: 620px;
    height: 620px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255,106,0,.18) 0%, transparent 70%);
    pointer-events: none;
}

.promotion-hero::after {
    content: "";
    position: absolute;
    bottom: -60px;
    left: 5%;
    width: 380px;
    height: 380px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255,80,0,.1) 0%, transparent 70%);
    pointer-events: none;
}

.promotion-hero .container {
    position: relative;
    z-index: 1;
}

.promotion-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: rgba(255,255,255,.55);
    margin-bottom: 24px;
}

.promotion-breadcrumb a {
    color: rgba(255,255,255,.7);
    transition: color .2s;
}

.promotion-breadcrumb a:hover {
    color: #fff;
}

.promotion-hero_body {
    display: flex;
    align-items: center;
    gap: 64px;
}

.promotion-hero_text {
    flex: 1;
    max-width: 620px;
}

.promotion-hero h1 {
    font-size: 44px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
    letter-spacing: 1px;
}

.promotion-hero h1 span {
    background: linear-gradient(90deg, #ff8a3d, #ff5000);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.promotion-hero_desc {
    font-size: 17px;
    color: rgba(255,255,255,.7);
    line-height: 1.8;
    margin-bottom: 32px;
    max-width: 520px;
}

.promotion-hero_actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.promotion-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 50px;
    padding: 0 34px;
    border: 0;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all .25s;
    font-family: inherit;
    text-decoration: none;
}

.promotion-btn--primary {
    color: #fff;
    background: linear-gradient(135deg, #ff7a1a, #ff5000);
    box-shadow: 0 8px 28px rgba(255,80,0,.35);
}

.promotion-btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 36px rgba(255,80,0,.45);
    filter: brightness(1.06);
}

.promotion-btn--outline {
    color: #fff;
    border: 1.5px solid rgba(255,255,255,.35);
    background: rgba(255,255,255,.06);
}

.promotion-btn--outline:hover {
    border-color: rgba(255,255,255,.6);
    background: rgba(255,255,255,.1);
}

.promotion-hero_stats {
    display: flex;
    gap: 48px;
    flex-shrink: 0;
}

.promotion-hero_stat {
    text-align: center;
}

.promotion-hero_stat-number {
    display: block;
    font-size: 42px;
    font-weight: 800;
    color: #ff8a3d;
    line-height: 1;
    margin-bottom: 6px;
}

.promotion-hero_stat-label {
    font-size: 13px;
    color: rgba(255,255,255,.55);
}

/* ========== 推广产品卡片区 ========== */
.promotion-products {
    padding: 64px 0 48px;
    background: #fff;
}

.promotion-section_header {
    text-align: center;
    margin-bottom: 48px;
}

.promotion-section_header h2 {
    font-size: 32px;
    font-weight: 700;
    color: #1a1f2e;
    margin-bottom: 12px;
}

.promotion-section_header p {
    font-size: 16px;
    color: #8a8f97;
    max-width: 560px;
    margin: 0 auto;
}

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

.promotion-product-card {
    position: relative;
    background: #fff;
    border: 1px solid #eef0f3;
    border-radius: 16px;
    padding: 36px 32px 32px;
    transition: transform .3s, box-shadow .3s, border-color .3s;
    overflow: hidden;
}

.promotion-product-card:hover {
    transform: translateY(-6px);
    border-color: #ffd4b8;
    box-shadow: 0 20px 48px rgba(255,80,0,.1);
}

.promotion-product-card--featured {
    border: 2px solid #ffb380;
    background: linear-gradient(180deg, #fffbf8 0%, #fff 40%);
}

.promotion-product-card--featured::before {
    content: "热门推荐";
    position: absolute;
    top: 16px;
    right: -32px;
    padding: 4px 40px;
    background: linear-gradient(90deg, #ff7a1a, #ff5000);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    transform: rotate(45deg);
}

.promotion-product-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    border-radius: 16px;
    margin-bottom: 24px;
    color: #ff5000;
    background: linear-gradient(135deg, #fff3eb, #ffe8d6);
    transition: transform .3s;
}

.promotion-product-card:hover .promotion-product-icon {
    transform: scale(1.08);
}

.promotion-product-icon :is(svg, img) {
    width: 32px;
    height: 32px;
}

.promotion-product-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: #1a1f2e;
    margin-bottom: 10px;
}

.promotion-product-card > p {
    font-size: 14px;
    color: #777d86;
    line-height: 1.7;
    margin-bottom: 20px;
    min-height: 48px;
}

.promotion-product-features {
    list-style: none;
    padding: 20px 0 0;
    border-top: 1px solid #f0f1f3;
    margin-bottom: 24px;
}

.promotion-product-features li {
    position: relative;
    padding: 6px 0 6px 22px;
    font-size: 13px;
    color: #5a6069;
    line-height: 1.6;
}

.promotion-product-features li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 12px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #e8f5ee;
    background-image: url("../img/icons/promotion-check.svg");
    background-position: center;
    background-repeat: no-repeat;
}

.promotion-product-price {
    display: flex;
    align-items: baseline;
    gap: 6px;
    margin-bottom: 20px;
}

.promotion-product-price strong {
    font-size: 28px;
    font-weight: 800;
    color: #ff5000;
}

.promotion-product-price span {
    font-size: 13px;
    color: #999;
}

.promotion-product-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 46px;
    border: 1.5px solid #ff5000;
    border-radius: 8px;
    color: #ff5000;
    font-size: 15px;
    font-weight: 700;
    background: #fff;
    cursor: pointer;
    transition: all .2s;
    font-family: inherit;
}

.promotion-product-btn:hover {
    color: #fff;
    background: linear-gradient(135deg, #ff7a1a, #ff5000);
    box-shadow: 0 6px 20px rgba(255,80,0,.2);
}

.promotion-product-card--featured .promotion-product-btn {
    color: #fff;
    background: linear-gradient(135deg, #ff7a1a, #ff5000);
    border-color: transparent;
    box-shadow: 0 4px 16px rgba(255,80,0,.22);
}

.promotion-product-card--featured .promotion-product-btn:hover {
    filter: brightness(1.06);
    box-shadow: 0 8px 24px rgba(255,80,0,.32);
}

/* ========== 优势亮点区 ========== */
.promotion-advantages {
    padding: 64px 0;
    background: #f8f9fb;
}

.promotion-advantage-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.promotion-advantage-item {
    text-align: center;
    padding: 36px 24px;
    background: #fff;
    border-radius: 14px;
    border: 1px solid #eef0f3;
    transition: transform .25s, box-shadow .25s;
}

.promotion-advantage-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0,0,0,.06);
}

.promotion-advantage-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 14px;
    margin-bottom: 18px;
    color: #ff5000;
    background: linear-gradient(135deg, #fff3eb, #ffe8d6);
}

.promotion-advantage-icon :is(svg, img) {
    width: 28px;
    height: 28px;
}

.promotion-advantage-item h4 {
    font-size: 17px;
    font-weight: 700;
    color: #1a1f2e;
    margin-bottom: 8px;
}

.promotion-advantage-item p {
    font-size: 13px;
    color: #8a8f97;
    line-height: 1.7;
}

/* ========== 数据成效区 ========== */
.promotion-results {
    padding: 64px 0;
    background: #fff;
}

.promotion-results_inner {
    display: flex;
    align-items: center;
    gap: 72px;
}

.promotion-results_text {
    flex: 1;
    max-width: 480px;
}

.promotion-results_text h2 {
    font-size: 32px;
    font-weight: 700;
    color: #1a1f2e;
    margin-bottom: 16px;
    line-height: 1.3;
}

.promotion-results_text p {
    font-size: 15px;
    color: #777d86;
    line-height: 1.8;
    margin-bottom: 32px;
}

.promotion-results_data {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.promotion-results_card {
    background: #fafbfc;
    border: 1px solid #eef0f3;
    border-radius: 14px;
    padding: 28px 24px;
    text-align: center;
    transition: transform .2s;
}

.promotion-results_card:hover {
    transform: translateY(-3px);
}

.promotion-results_card strong {
    display: block;
    font-size: 36px;
    font-weight: 800;
    color: #ff5000;
    line-height: 1;
    margin-bottom: 8px;
}

.promotion-results_card span {
    font-size: 14px;
    color: #8a8f97;
}

.promotion-results_visual {
    flex-shrink: 0;
    width: 440px;
    height: 340px;
    border-radius: 20px;
    background: linear-gradient(150deg, #1a1f2e 0%, #252d3f 50%, #1e2d3d 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.promotion-results_visual::before {
    content: "";
    position: absolute;
    top: -60px;
    right: -40px;
    width: 260px;
    height: 260px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255,106,0,.25) 0%, transparent 70%);
}

.promotion-chart {
    position: relative;
    z-index: 1;
    text-align: center;
    color: #fff;
}

.promotion-chart_big {
    font-size: 64px;
    font-weight: 800;
    background: linear-gradient(90deg, #ff8a3d, #ff5000);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.promotion-chart_label {
    display: block;
    font-size: 15px;
    color: rgba(255,255,255,.55);
    margin-top: 8px;
}

.promotion-chart_bars {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    height: 120px;
    margin-top: 24px;
}

.promotion-chart_bar {
    width: 28px;
    border-radius: 6px 6px 0 0;
    background: linear-gradient(180deg, #ff8a3d, rgba(255,106,0,.3));
    animation: barGrow 1.4s ease-out forwards;
    transform-origin: bottom;
}

.promotion-chart_bar:nth-child(1) { height: 45px; animation-delay: 0s; }
.promotion-chart_bar:nth-child(2) { height: 72px; animation-delay: 0.1s; }
.promotion-chart_bar:nth-child(3) { height: 55px; animation-delay: 0.2s; }
.promotion-chart_bar:nth-child(4) { height: 90px; animation-delay: 0.3s; }
.promotion-chart_bar:nth-child(5) { height: 68px; animation-delay: 0.4s; }
.promotion-chart_bar:nth-child(6) { height: 105px; animation-delay: 0.5s; }
.promotion-chart_bar:nth-child(7) { height: 82px; animation-delay: 0.6s; }
.promotion-chart_bar:nth-child(8) { height: 118px; animation-delay: 0.7s; }

@keyframes barGrow {
    from { transform: scaleY(0); }
    to { transform: scaleY(1); }
}

/* ========== 开通流程区 ========== */
.promotion-flow {
    padding: 64px 0;
    background: #f8f9fb;
}

.promotion-flow-steps {
    display: flex;
    align-items: flex-start;
    gap: 0;
    position: relative;
}

.promotion-flow-steps::before {
    content: "";
    position: absolute;
    top: 40px;
    left: 80px;
    right: 80px;
    height: 2px;
    background: linear-gradient(90deg, #ff8a3d, #ff5000, #ff8a3d);
    opacity: .3;
}

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

.promotion-flow-step-num {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    border-radius: 50%;
    background: #fff;
    border: 2px solid #ffd4b8;
    font-size: 28px;
    font-weight: 800;
    color: #ff5000;
    transition: transform .3s, box-shadow .3s, border-color .3s;
}

.promotion-flow-step:hover .promotion-flow-step-num {
    transform: scale(1.08);
    border-color: #ff5000;
    box-shadow: 0 8px 28px rgba(255,80,0,.18);
}

.promotion-flow-step h4 {
    font-size: 17px;
    font-weight: 700;
    color: #1a1f2e;
    margin-bottom: 6px;
}

.promotion-flow-step p {
    font-size: 13px;
    color: #8a8f97;
    max-width: 180px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ========== CTA 区域 ========== */
.promotion-cta {
    padding: 0 0 64px;
    background: #f8f9fb;
}

.promotion-cta_inner {
    display: flex;
    align-items: center;
    gap: 48px;
    padding: 44px 56px;
    border-radius: 18px;
    background: linear-gradient(110deg, #1a1f2e, #252d3f);
    position: relative;
    overflow: hidden;
}

.promotion-cta_inner::after {
    content: "";
    position: absolute;
    top: -80px;
    right: -40px;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255,106,0,.15) 0%, transparent 70%);
    pointer-events: none;
}

.promotion-cta_text {
    flex: 1;
    position: relative;
    z-index: 1;
}

.promotion-cta_text h2 {
    font-size: 28px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 10px;
}

.promotion-cta_text p {
    font-size: 15px;
    color: rgba(255,255,255,.6);
    line-height: 1.7;
}

.promotion-cta_actions {
    display: flex;
    gap: 14px;
    flex-shrink: 0;
    position: relative;
    z-index: 1;
}

.promotion-btn--white {
    color: #ff5000;
    background: #fff;
}

.promotion-btn--white:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(0,0,0,.2);
}

/* ========== FAQ 区 ========== */
.promotion-faq {
    padding: 64px 0 80px;
    background: #fff;
}

.promotion-faq_list {
    max-width: 820px;
    margin: 0 auto;
}

.promotion-faq_item {
    border-bottom: 1px solid #eef0f3;
}

.promotion-faq_item:first-child {
    border-top: 1px solid #eef0f3;
}

.promotion-faq_item summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 22px 8px;
    font-size: 16px;
    font-weight: 600;
    color: #1a1f2e;
    cursor: pointer;
    list-style: none;
    transition: color .2s;
}

.promotion-faq_item summary::-webkit-details-marker {
    display: none;
}

.promotion-faq_item summary::after {
    content: "+";
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #aaa;
    font-size: 20px;
    font-weight: 300;
    transition: transform .2s, color .2s;
}

.promotion-faq_item[open] summary {
    color: #ff5000;
}

.promotion-faq_item[open] summary::after {
    content: "−";
    color: #ff5000;
}

.promotion-faq_item .promotion-faq_answer {
    padding: 0 8px 22px;
    font-size: 14px;
    color: #666;
    line-height: 1.8;
}

/* ========== 页脚覆盖 ========== */
.promotion-page .site-footer {
    margin-top: 0;
}

/* ========== 响应式 ========== */
@media (max-width: 1100px) {
    .promotion-page .container {
        width: calc(100% - 32px);
    }

    .promotion-hero_body {
        flex-direction: column;
        gap: 40px;
        text-align: center;
    }

    .promotion-hero_text {
        max-width: 100%;
    }

    .promotion-hero_desc {
        max-width: 100%;
        margin-left: auto;
        margin-right: auto;
    }

    .promotion-hero_actions {
        justify-content: center;
    }

    .promotion-hero_stats {
        gap: 32px;
    }

    .promotion-product-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .promotion-advantage-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .promotion-results_inner {
        flex-direction: column;
        gap: 40px;
    }

    .promotion-results_text {
        max-width: 100%;
        text-align: center;
        margin: 0 auto;
    }

    .promotion-results_visual {
        width: 100%;
        max-width: 440px;
    }

    .promotion-flow-steps::before {
        left: 50px;
        right: 50px;
    }

    .promotion-cta_inner {
        flex-direction: column;
        text-align: center;
        padding: 36px 32px;
    }

    .promotion-page .site-footer_grid {
        grid-template-columns: 1.3fr 1fr 1fr;
    }
    .promotion-page .site-footer_grid > div:last-child {
        display: none;
    }
}

@media (max-width: 720px) {
    .promotion-page .container {
        width: calc(100% - 24px);
    }

    .promotion-hero {
        padding: 48px 0 56px;
    }

    .promotion-hero h1 {
        font-size: 30px;
    }

    .promotion-hero_stats {
        gap: 20px;
    }

    .promotion-hero_stat-number {
        font-size: 30px;
    }

    .promotion-section_header h2 {
        font-size: 26px;
    }

    .promotion-product-grid {
        grid-template-columns: 1fr;
    }

    .promotion-advantage-grid {
        grid-template-columns: 1fr;
    }

    .promotion-results_data {
        grid-template-columns: 1fr 1fr;
    }

    .promotion-flow-steps {
        flex-direction: column;
        align-items: center;
        gap: 24px;
    }

    .promotion-flow-steps::before {
        display: none;
    }

    .promotion-flow-step p {
        max-width: 240px;
    }

    .promotion-cta_inner {
        padding: 28px 20px;
    }

    .promotion-cta_text h2 {
        font-size: 24px;
    }

    .promotion-faq_list {
        max-width: 100%;
    }

    .promotion-page .site-footer_grid {
        grid-template-columns: 1fr 1fr;
    }
    .promotion-page .site-footer_grid > div:first-child {
        grid-column: 1 / -1;
    }
}