/**
 * AI国际先锋大赛页 — 与 docs/先锋大赛排版.html 一致的版式（独立样式，不依赖 Tailwind）
 */
.pioneer-ai-page {
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
    /* 与首页 / layout 大赛区金米色一致 */
    --pioneer-primary: #b58d55;
    --pioneer-primary-dim: #cfad71;
    --pioneer-primary-deep: #9a6b2e;
    --pioneer-gold-fixed: #f5e8d4;
    --pioneer-on-primary: #ffffff;
    --pioneer-bg: #fffcf6;
    --pioneer-surface-low: #fbf7ec;
    --pioneer-surface-high: #f5efe3;
    --pioneer-on-surface: #333333;
    --pioneer-on-variant: #5c4a38;
    --pioneer-muted: #666666;
    --pioneer-outline: rgba(203, 162, 104, 0.45);
    --pioneer-dark: #2a2520;
    --pioneer-dark-chip: #3d3630;
    /* 与站内 mcp-title / home-list-item / course-item 大赛页字号对齐 */
    --pioneer-fs-body: 17px;
    --pioneer-fs-body-sm: 16px;
    --pioneer-fs-lead: 18px;
    --pioneer-fs-h2: 42px;
    --pioneer-fs-h2-sm: 28px;
    --pioneer-fs-h3: 24px;
    --pioneer-fs-card-title: 22px;
    --pioneer-lh-body: 1.75;
    --pioneer-lh-tall: 1.875;
    font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: var(--pioneer-fs-body);
    color: var(--pioneer-on-surface);
    background: var(--pioneer-bg);
    overflow-x: hidden;
}
.pioneer-ai-page h1,
.pioneer-ai-page h2,
.pioneer-ai-page h3,
.pioneer-ai-page h4,
.pioneer-ai-page .pioneer-font-head {
    font-family: Manrope, "Noto Sans SC", "PingFang SC", sans-serif;
}
.pioneer-ai-page a {
    color: var(--pioneer-primary);
}
.pioneer-ai-page a:hover {
    color: var(--pioneer-primary-dim);
}

/* 首屏 Banner 不参与 layout 的入场透明，避免 H5 首屏空白或文字不可见 */
.page-aiagent .pioneer-hero.home-section {
    opacity: 1;
    transform: none;
}

.pioneer-wrap {
    max-width: 1920px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 6%;
    padding-right: 6%;
    box-sizing: border-box;
}


/* Hero */
.pioneer-hero {
    position: relative;
    padding: 0;
    background: #0e1118;
    overflow: hidden;
}
.pioneer-hero__media {
    position: relative;
    width: 100%;
    aspect-ratio: 21 / 9;
    max-height: 85vh;
    min-height: 280px;
    z-index: 0;
}
.pioneer-hero__bg {
    width: 100%;
    height: auto;
    display: block;
    /* 避免触摸落在底图上被浏览器当图片拖拽/长按，穿透后易与页面滚动抢手势 */
    pointer-events: none;
    user-select: none;
    -webkit-user-drag: none;
}
.pioneer-hero__video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
}
@media (prefers-reduced-motion: reduce) {
    .pioneer-hero__video {
        display: none;
    }
    .pioneer-hero__media {
        background: #0e1118 url("/static/image/index/aiagen-banner.jpg") center / cover no-repeat;
        min-height: 280px;
    }
}
.pioneer-hero__overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    /* 整层承接手势，纵向交给浏览器滚动；勿用 none 穿透到 video */
    pointer-events: auto;
    touch-action: pan-y pinch-zoom;
    /* 黑色半透明蒙层：重心在水平约 30%（正中向左 20%）、垂直略偏上，由重变浅 */
    background: radial-gradient(
        ellipse 88% 82% at 30% 46%,
        rgba(0, 0, 0, 0.58) 0%,
        rgba(0, 0, 0, 0.32) 42%,
        rgba(0, 0, 0, 0.1) 72%,
        transparent 100%
    );
}
.pioneer-hero__overlay .pioneer-wrap {
    touch-action: pan-y pinch-zoom;
}
.pioneer-hero__overlay .pioneer-btn {
    touch-action: manipulation;
}
.pioneer-hero__grid {
    height: 100%;
    display: grid;
    gap: 40px;
    align-items: start;
    padding-top: 3.5%;
    padding-bottom: 3.5%;
}
.pioneer-hero__grid { grid-template-columns: 1fr; }
.pioneer-hero__main {
    min-width: 0;
    padding: 0;
}
.pioneer-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: linear-gradient(135deg, #fff8e8 0%, var(--pioneer-gold-fixed) 100%);
    border: 1px solid rgba(181, 141, 85, 0.25);
    border-radius: 999px;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: #5c3d18;
    margin-bottom: 24px;
    line-height: 1.4;
}
.pioneer-badge__icon {
    font-size: 16px;
    line-height: 1;
}
.pioneer-hero__title {
    font-size: clamp(42px, 6.4vw, 80px);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin: 0 0 20px;
    padding: 50px 0;
    color: #fff;
    text-shadow: 0 8px 26px rgba(0, 0, 0, 0.35);
}
.pioneer-hero__desc {
    margin: 0;
    max-width: 70rem;
    margin: 0;
    font-size: 28px;
    line-height: var(--pioneer-lh-tall);
    color: rgba(255, 255, 255, 0.95);
    font-weight: 400;
    text-shadow: 0 4px 18px rgba(0, 0, 0, 0.28);
}
.pioneer-hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 28px;
}
.pioneer-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: 12px;
    font-family: Manrope, "Noto Sans SC", sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
    text-decoration: none !important;
    border: none;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.pioneer-btn--primary {
    background: linear-gradient(135deg, #b58d55 0%, #cfad71 55%, #cba268 100%);
    color: #fff !important;
    box-shadow: 0 10px 28px rgba(181, 141, 85, 0.32);
}
.pioneer-btn--primary:hover {
    transform: translateY(-2px);
    color: #fff !important;
}
.pioneer-btn--outline {
    background: transparent;
    color: var(--pioneer-primary-deep) !important;
    border: 1px solid rgba(181, 141, 85, 0.4);
}
.pioneer-btn--outline:hover {
    background: rgba(181, 141, 85, 0.08);
}

/* 首屏「了解更多」：深色底上提高对比（表单内 outline 按钮保持浅色底上的棕字样式） */
.pioneer-hero .pioneer-btn--outline {
    color: #fff8ec !important;
    border: 1px solid rgba(255, 236, 210, 0.75);
    background: rgba(0, 0, 0, 0.22);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.22);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(4px);
}
.pioneer-hero .pioneer-btn--outline:hover {
    background: rgba(207, 173, 113, 0.25);
    border-color: rgba(255, 245, 228, 0.95);
    color: #fff !important;
}
.pioneer-hero .pioneer-btn--outline:focus-visible {
    outline: 2px solid rgba(255, 236, 210, 0.9);
    outline-offset: 2px;
}

/* MacBook 13"/16" 等常见视口（非手机、非超宽屏）：收敛首屏与标题字号，避免标题顶到 80px、副文 28px 过大 */
@media (min-width: 993px) and (max-width: 1728px) {
    .pioneer-ai-page {
        --pioneer-fs-h2: 36px;
        --pioneer-fs-h3: 22px;
    }
    .pioneer-hero__title {
        font-size: clamp(38px, 4.5vw, 56px);
        line-height: 1.12;
        padding: 36px 0 18px;
        margin-bottom: 16px;
    }
    .pioneer-hero__desc {
        font-size: clamp(17px, 0.75rem + 0.65vw, 22px);
        line-height: 1.65;
        max-width: 48rem;
    }
    .pioneer-badge {
        font-size: 12px;
        padding: 9px 16px;
    }
    .pioneer-hero__actions {
        margin-top: 22px;
    }
    .pioneer-hero .pioneer-btn {
        font-size: 1.125rem;
        padding: 12px 22px;
    }
}

/* 右侧：原 Banner 图上的核心信息（通屏 Banner 可单独加在本区块上方） */
.pioneer-hero__aside {
    position: relative;
    align-self: stretch;
    height: 100%;
}
.pioneer-hero__aside-inner {
    background: linear-gradient(160deg, rgba(38, 29, 20, 0.9) 0%, rgba(79, 57, 31, 0.84) 55%, rgba(120, 86, 46, 0.78) 100%);
    border: 1px solid rgba(255, 226, 170, 0.42);
    border-radius: 20px;
    padding: 28px 24px;
    box-shadow: 0 16px 38px rgba(21, 14, 8, 0.5), inset 0 0 0 1px rgba(255, 232, 188, 0.18);
    backdrop-filter: blur(4px);
    position: relative;
    overflow: hidden;
    height: 100%;
    min-height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.pioneer-hero__aside-inner::before {
    content: "";
    position: absolute;
    top: -30%;
    right: -18%;
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 220, 148, 0.32) 0%, rgba(255, 220, 148, 0) 70%);
    pointer-events: none;
}
.pioneer-hero__aside-inner::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 20px;
    border: 1px solid rgba(255, 236, 198, 0.2);
    pointer-events: none;
}
.pioneer-hero__aside-kicker {
    margin: 0 0 10px;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: #ffda9a;
    position: relative;
    z-index: 1;
}
.pioneer-hero__aside-theme {
    margin: 0 0 6px;
    font-size: 22px;
    font-weight: 800;
    line-height: 1.3;
    color: #fff8e7;
    position: relative;
    z-index: 1;
}
.pioneer-hero__aside-theme-en {
    margin: 0 0 22px;
    font-size: 14px;
    font-weight: 600;
    line-height: 1.45;
    color: #ffd89a;
    font-style: italic;
    position: relative;
    z-index: 1;
}
.pioneer-hero__aside-facts {
    margin: 0;
    padding: 0;
    border-top: 1px solid rgba(255, 226, 170, 0.3);
    padding-top: 18px;
    position: relative;
    z-index: 1;
}
.pioneer-hero__aside-fact {
    margin-bottom: 16px;
}
.pioneer-hero__aside-fact:last-child {
    margin-bottom: 0;
}
.pioneer-hero__aside-fact dt {
    margin: 0 0 4px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: #e8c792;
}
.pioneer-hero__aside-fact dd {
    margin: 0;
    font-size: 15px;
    line-height: 1.55;
    color: #fff6e8;
    font-weight: 500;
}
/* 核心主题重构版 */
.pioneer-core-head {
    position: relative;
    z-index: 1;
    margin-bottom: 18px;
    padding-bottom: 14px;
    border-bottom: 1px solid rgba(255, 226, 170, 0.28);
}
.pioneer-core-head__kicker {
    margin: 0 0 8px;
    font-size: 11px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: #ffda9a;
    font-weight: 700;
}
.pioneer-core-head__title {
    margin: 0 0 6px;
    font-size: 24px;
    line-height: 1.25;
    color: #fff9ec;
    font-weight: 800;
}
.pioneer-core-head__en {
    margin: 0;
    font-size: 13px;
    color: #ffd89a;
    opacity: 0.95;
    font-style: italic;
}
.pioneer-core-metrics {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 16px;
}
.pioneer-core-metric {
    background: rgba(255, 248, 232, 0.08);
    border: 1px solid rgba(255, 226, 170, 0.24);
    border-radius: 12px;
    padding: 10px 12px;
}
.pioneer-core-metric strong {
    display: block;
    font-size: 18px;
    line-height: 1.2;
    color: #fff4dc;
    margin-bottom: 4px;
    font-weight: 800;
}
.pioneer-core-metric span {
    display: block;
    font-size: 12px;
    color: #f4d8a7;
    line-height: 1.4;
}
.pioneer-core-list {
    list-style: none;
    margin: 0;
    padding: 14px 0 0;
    border-top: 1px dashed rgba(255, 226, 170, 0.3);
    position: relative;
    z-index: 1;
}
.pioneer-core-list li {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 8px 0;
    font-size: 14px;
}
.pioneer-core-list li span {
    color: #e8c792;
    flex-shrink: 0;
}
.pioneer-core-list li em {
    color: #fff7e8;
    font-style: normal;
    text-align: right;
    line-height: 1.5;
}
@media (max-width: 1023px) {
    .pioneer-hero {
        min-height: 0;
    }
    .pioneer-hero__grid { padding-top: 4.5%; padding-bottom: 4.5%; }
    .pioneer-hero__aside-inner {
        height: auto;
        min-height: 0;
        max-width: 32rem;
    }
    .pioneer-core-head__title {
        font-size: 21px;
    }
}

/* Intro */
.pioneer-intro {
    padding-top: 56px;
}
.pioneer-intro__box {
    position: relative;
    background: #fffef9;
    border: 1px solid rgba(203, 162, 104, 0.3);
    border-radius: 24px;
    padding: 32px 34px 36px;
    box-shadow: 0 8px 28px rgba(181, 141, 85, 0.08);
    /* 全程文档流 + 排序，不再用 absolute 叠到 Banner 上，彻底避免遮挡首屏 */
    display: flex;
    flex-direction: column;
}
.pioneer-intro .pioneer-section__head {
    order: 1;
    text-align: left;
    margin-bottom: 22px;
    max-width: none;
}
.pioneer-intro .pioneer-section__head h2 {
    margin-bottom: 0;
}
.pioneer-intro__core {
    position: static;
    width: 100%;
    margin: 0 0 18px;
    z-index: 1;
    order: 3;
}
.pioneer-intro__lead {
    order: 2;
    margin: 0 0 18px;
    padding: 14px 18px;
    border-left: 4px solid #cba268;
    background: linear-gradient(90deg, rgba(251, 247, 236, 0.92) 0%, rgba(255, 255, 255, 0.92) 100%);
    border-radius: 0 12px 12px 0;
    color: #6a4a26;
    font-size: 17px;
    line-height: 1.8;
}
.pioneer-intro__highlights {
    order: 4;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin-bottom: 22px;
}
.pioneer-intro__tag {
    border: 1px solid rgba(203, 162, 104, 0.3);
    background: #fff;
    border-radius: 12px;
    padding: 12px 14px;
}
.pioneer-intro__tag strong {
    display: block;
    color: #9a6b2e;
    font-size: 15px;
    line-height: 1.35;
    margin-bottom: 6px;
}
.pioneer-intro__tag span {
    display: block;
    color: #6f5a46;
    font-size: 13px;
    line-height: 1.5;
}
.pioneer-intro__text {
    order: 5;
    max-width: 100%;
    column-gap: 32px;
}
.pioneer-intro__text p {
    margin: 0 0 18px;
    font-size: var(--pioneer-fs-lead);
    line-height: var(--pioneer-lh-tall);
    color: var(--pioneer-on-variant);
    text-indent: 2em;
    break-inside: avoid;
}
.pioneer-intro__text .pioneer-intro__text-lead {
    text-indent: 0;
    font-weight: 500;
}
.pioneer-intro__text p:last-child {
    margin-bottom: 0;
}
@media (max-width: 1279px) {
    .pioneer-intro {
        padding-top: 40px;
    }
    .pioneer-intro__box {
        padding: 22px 18px 24px;
    }
    .pioneer-intro__highlights {
        grid-template-columns: 1fr;
    }
    .pioneer-intro__text {
        column-count: 1;
    }
}

@media (min-width: 1280px) {
    .pioneer-intro__box {
        padding-right: 34px;
    }
}

/* 13"/16" 笔记本（1280～1728）：简介区保持常规间距 */
@media (min-width: 1280px) and (max-width: 1728px) {
    .pioneer-intro {
        padding-top: 56px;
    }
    .pioneer-intro__box {
        padding-top: 32px;
        padding-left: 34px;
        padding-right: 34px;
    }
}

/* 超大屏（含 2K）：简介区保持常规间距 */
@media (min-width: 1729px) {
    .pioneer-intro__box {
        padding: 32px 34px 36px;
    }
}

/* 4K 级超宽屏：首屏文案整体略下移，字号略收敛（vw 顶格时更稳） */
@media (min-width: 2560px) {
    .pioneer-hero__grid {
        padding-top: 5.8%;
        padding-bottom: 4%;
    }
    .pioneer-hero__title {
        font-size: clamp(46px, 3.15vw, 68px);
        line-height: 1.1;
        padding: 48px 0 22px;
        margin-bottom: 18px;
    }
    .pioneer-hero__desc {
        font-size: clamp(18px, 0.95vw, 26px);
        line-height: 1.65;
        max-width: 52rem;
    }
    .pioneer-badge {
        font-size: 12px;
        padding: 10px 18px;
        margin-bottom: 22px;
    }
    .pioneer-hero__actions {
        margin-top: 24px;
    }
    .pioneer-hero .pioneer-btn {
        font-size: 1.125rem;
        padding: 13px 26px;
    }
}

/* Section common */
.pioneer-section {
    padding: 72px 0;
}
@media (min-width: 768px) {
    .pioneer-section {
        padding: 96px 0;
    }
}
.pioneer-section--tint {
    background: var(--pioneer-surface-low);
}
.pioneer-section--elevated {
    background: var(--pioneer-surface-high);
}
.pioneer-section--dark {
    background: linear-gradient(165deg, #3a332c 0%, var(--pioneer-dark) 45%, #1f1b18 100%);
    color: #f5f0e8;
}
.pioneer-section--dark .pioneer-section__lead {
    color: rgba(207, 173, 113, 0.85);
}
.pioneer-section--dark .pioneer-section__head h2 {
    color: #fff8f0;
}
.pioneer-section__head {
    text-align: center;
    margin-bottom: 48px;
    max-width: 50rem;
    margin-left: auto;
    margin-right: auto;
}
.pioneer-section__head h2 {
    font-size: var(--pioneer-fs-h2);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin: 0 0 16px;
    color: inherit;
    line-height: 1.2;
}
@media (min-width: 992px) {
    .pioneer-title--nowrap {
        white-space: nowrap;
    }
}
.pioneer-section__lead {
    margin: 0;
    font-size: var(--pioneer-fs-lead);
    color: var(--pioneer-muted);
    font-weight: 400;
    line-height: var(--pioneer-lh-tall);
    max-width: 70rem;
    margin-left: auto;
    margin-right: auto;
}

/* Value cards */
.pioneer-value-grid {
    display: grid;
    gap: 24px;
}
@media (min-width: 768px) {
    .pioneer-value-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (min-width: 1024px) {
    .pioneer-value-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 28px;
    }
}
@media (min-width: 1024px) {
    #media-partner .pioneer-value-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}
.pioneer-value-card {
    background: #fff;
    padding: 32px 28px;
    border-radius: 16px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}
.pioneer-value-card:hover {
    box-shadow: 0 8px 28px rgba(181, 141, 85, 0.14);
    transform: translateY(-4px);
}
.pioneer-value-card__icon {
    width: 64px;
    height: 64px;
    border-radius: 14px;
    background: var(--pioneer-gold-fixed);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 22px;
}
.pioneer-value-card__icon img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}
.pioneer-value-card h3 {
    font-size: var(--pioneer-fs-card-title);
    font-weight: 700;
    margin: 0 0 14px;
    color: var(--pioneer-on-surface);
    line-height: 1.3;
}
.pioneer-value-card p {
    margin: 0;
    font-size: var(--pioneer-fs-body-sm);
    line-height: 30px;
    color: var(--pioneer-on-variant);
}

/* Tracks */
.pioneer-tracks-grid {
    display: grid;
    gap: 32px;
}
@media (min-width: 1024px) {
    .pioneer-tracks-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 36px;
    }
}
.pioneer-track {
    background: #fff;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 12px 36px rgba(181, 141, 85, 0.1);
    border: 1px solid rgba(203, 162, 104, 0.35);
    display: flex;
    flex-direction: column;
}
.pioneer-track__banner {
    height: 200px;
    position: relative;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
}
.pioneer-track__banner--t1 {
    background-image: linear-gradient(rgba(0, 0, 0, 0.42), rgba(0, 0, 0, 0.42)), url("/static/image/index/unnamed-1.png");
}
.pioneer-track__banner--t2 {
    background-image: linear-gradient(rgba(0, 0, 0, 0.42), rgba(0, 0, 0, 0.42)), url("/static/image/index/unnamed-2.png");
}
.pioneer-track__banner--t3 {
    background-image: linear-gradient(rgba(0, 0, 0, 0.42), rgba(0, 0, 0, 0.42)), url("/static/image/index/unnamed-3.png");
}
.pioneer-track__banner h3 {
    position: relative;
    z-index: 1;
    margin: 0;
    font-size: var(--pioneer-fs-h3);
    font-weight: 800;
    color: #fff;
    text-align: center;
    padding: 0 12px;
    line-height: 1.3;
}
.pioneer-track__body {
    padding: 28px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 22px;
}
.pioneer-track__block span.pioneer-track__label {
    display: block;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--pioneer-primary);
    margin-bottom: 10px;
}
.pioneer-track__block p {
    margin: 0;
    font-size: var(--pioneer-fs-body-sm);
    line-height: 30px;
    color: var(--pioneer-on-surface);
}
.pioneer-track__highlight {
    background: var(--pioneer-surface-low);
    padding: 16px;
    border-radius: 12px;
    margin-top: auto;
}
.pioneer-track__highlight .pioneer-track__label {
    margin-bottom: 6px;
}
.pioneer-track__highlight p {
    font-size: var(--pioneer-fs-body-sm);
    line-height: 28px;
    color: var(--pioneer-on-variant);
}

/* 参赛条件：序号 + 纵向卡片 */
.pioneer-section--rules {
    background: #fff;
    border-top: 1px solid rgba(181, 141, 85, 0.12);
    border-bottom: 1px solid rgba(181, 141, 85, 0.12);
}
.pioneer-rules-flow {
    list-style: none;
    margin: 0 auto;
    padding: 0;
    max-width: 52rem;
    position: relative;
}
.pioneer-rules-flow::before {
    content: "";
    position: absolute;
    left: 25px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: linear-gradient(180deg, rgba(181, 141, 85, 0.45), rgba(207, 173, 113, 0.2));
    border-radius: 1px;
}
@media (max-width: 767px) {
    .pioneer-rules-flow::before {
        left: 19px;
    }
}
.pioneer-rules-flow__item {
    display: flex;
    gap: 22px;
    align-items: flex-start;
    margin-bottom: 28px;
    position: relative;
}
.pioneer-rules-flow__item:last-child {
    margin-bottom: 0;
}
.pioneer-rules-flow__badge {
    flex-shrink: 0;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    font-weight: 800;
    letter-spacing: 0.02em;
    color: #fff;
    background: linear-gradient(145deg, #cba268 0%, #b58d55 50%, #9a6b2e 100%);
    box-shadow: 0 4px 16px rgba(181, 141, 85, 0.35);
    border: 3px solid #fffcf6;
    position: relative;
    z-index: 1;
}
.pioneer-rules-flow__card {
    flex: 1;
    min-width: 0;
    background: var(--pioneer-surface-low);
    border-radius: 18px;
    padding: 22px 26px 24px;
    border: 1px solid rgba(203, 162, 104, 0.35);
    border-top: 3px solid #cfad71;
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.04);
    transition: box-shadow 0.25s ease, transform 0.25s ease;
}
.pioneer-rules-flow__card:hover {
    box-shadow: 0 8px 26px rgba(181, 141, 85, 0.12);
    transform: translateY(-2px);
}
.pioneer-rules-flow__title {
    margin: 0 0 14px;
    font-size: 20px;
    font-weight: 800;
    color: var(--pioneer-primary-deep);
    line-height: 1.35;
}
.pioneer-rules-flow__body p {
    margin: 0 0 12px;
    font-size: var(--pioneer-fs-body-sm);
    line-height: 30px;
    color: var(--pioneer-on-variant);
    font-weight: 400;
}
.pioneer-rules-flow__body p:last-child {
    margin-bottom: 0;
}
@media (max-width: 767px) {
    .pioneer-rules-flow__item {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 16px;
    }
    .pioneer-rules-flow::before {
        display: none;
    }
    .pioneer-rules-flow__card {
        width: 100%;
        text-align: left;
    }
    .pioneer-rules-flow__badge {
        width: 46px;
        height: 46px;
        font-size: 14px;
    }
}

/* 参赛条件重排：看板卡片 */
.pioneer-rules-board {
    display: grid;
    gap: 18px;
}
@media (min-width: 1024px) {
    .pioneer-rules-board {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 22px;
    }
}
.pioneer-rule-panel {
    background: #fff;
    border: 1px solid rgba(203, 162, 104, 0.32);
    border-radius: 18px;
    padding: 18px 20px 20px;
    box-shadow: 0 8px 24px rgba(181, 141, 85, 0.08);
}
.pioneer-rule-panel__head {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(203, 162, 104, 0.24);
}
.pioneer-rule-panel__head span {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 800;
    color: #fff;
    background: linear-gradient(135deg, #b58d55 0%, #cfad71 100%);
}
.pioneer-rule-panel__head h3 {
    margin: 0;
    font-size: 20px;
    color: #9a6b2e;
    line-height: 1.35;
    font-weight: 800;
}
.pioneer-rule-panel__list {
    list-style: none;
    margin: 0;
    padding: 0;
}
.pioneer-rule-panel__list li {
    margin: 0 0 10px;
    font-size: 16px;
    line-height: 1.85;
    color: #5c4a38;
    padding-left: 14px;
    position: relative;
}
.pioneer-rule-panel__list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.75em;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #cfad71;
}
.pioneer-rule-panel__list li:last-child {
    margin-bottom: 0;
}

/* Dark region section */
.pioneer-zones__layout {
    display: grid;
    gap: 40px;
    align-items: start;
}
@media (min-width: 992px) {
    .pioneer-zones__layout {
        grid-template-columns: 1fr 1fr;
        gap: 48px;
        align-items: center;
    }
}
.pioneer-zones__col h4 {
    font-size: 18px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--pioneer-primary-dim);
    border-left: 4px solid var(--pioneer-primary-dim);
    padding-left: 14px;
    margin: 28px 0 16px;
    line-height: 1.35;
}
.pioneer-zones__col h4:first-child {
    margin-top: 0;
}
.pioneer-zones__chips {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.pioneer-zones__chip {
    padding: 11px 18px;
    background: var(--pioneer-dark-chip);
    color: #eef2f7;
    border-radius: 999px;
    font-size: 16px;
    font-weight: 500;
    line-height: 1.35;
    letter-spacing: 0.02em;
}
.pioneer-zones__online {
    margin: 0;
    font-size: 17px;
    color: #aeb9c9;
    font-weight: 400;
    line-height: 1.75;
    letter-spacing: 0.01em;
}

/* 本页唯一深色区：6国10城 — 标题与导语与下方标签层级区分 */
.pioneer-section--dark .pioneer-section__head {
    margin-bottom: 40px;
}
.pioneer-section--dark .pioneer-section__head h2 {
    font-size: clamp(24px, 4.2vw, var(--pioneer-fs-h2));
    line-height: 1.2;
}
.pioneer-section--dark .pioneer-section__lead {
    font-size: clamp(15px, 0.95rem + 0.35vw, 18px);
    line-height: 1.65;
    max-width: 52rem;
}
.pioneer-zones__deco {
    border-radius: 24px;
    min-height: 240px;
    background-image: linear-gradient(145deg, rgba(34, 28, 22, 0.52) 0%, rgba(34, 28, 22, 0.42) 100%), url("/static/image/index/map.png");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    border: 2px solid rgba(207, 173, 113, 0.35);
    position: relative;
    overflow: hidden;
}
.pioneer-zones__deco::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 70% 30%, rgba(255, 236, 200, 0.12) 0%, transparent 52%);
}

/* Partner grid */
.pioneer-partner-grid {
    display: grid;
    gap: 24px;
}
@media (min-width: 768px) {
    .pioneer-partner-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (min-width: 1024px) {
    .pioneer-partner-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}
.pioneer-partner-card {
    background: var(--pioneer-surface-low);
    padding: 26px;
    border-radius: 16px;
}
.pioneer-partner-card h4 {
    margin: 0 0 12px;
    font-size: 18px;
    font-weight: 700;
    color: var(--pioneer-primary);
    line-height: 1.35;
}
.pioneer-partner-card p {
    margin: 0;
    font-size: var(--pioneer-fs-body-sm);
    line-height: 30px;
    color: var(--pioneer-on-variant);
}

/* Dual forms */
.pioneer-forms-row {
    display: grid;
    gap: 36px;
}
@media (min-width: 1024px) {
    .pioneer-forms-row {
        grid-template-columns: 1fr 1fr;
        gap: 48px;
    }
}
.pioneer-form-panel {
    background: #fff;
    padding: 36px 32px;
    border-radius: 32px;
    box-shadow: 0 12px 36px rgba(181, 141, 85, 0.08);
    border: 1px solid rgba(203, 162, 104, 0.28);
}
.pioneer-form-panel--dark {
    background: var(--pioneer-dark);
    color: #f1f0f0;
    border-color: rgba(207, 173, 113, 0.22);
    position: relative;
    overflow: hidden;
}
.pioneer-form-panel--dark::before {
    content: "";
    position: absolute;
    top: -60px;
    right: -60px;
    width: 180px;
    height: 180px;
    background: rgba(207, 173, 113, 0.18);
    border-radius: 50%;
    filter: blur(40px);
    pointer-events: none;
}
.pioneer-form-panel__head {
    text-align: center;
    margin-bottom: 24px;
    position: relative;
    z-index: 1;
}
.pioneer-form-panel__head h3 {
    margin: 0 0 10px;
    font-size: 22px;
    font-weight: 800;
    color: var(--pioneer-primary);
    line-height: 1.35;
}
.pioneer-form-panel--dark .pioneer-form-panel__head h3 {
    color: var(--pioneer-primary-dim);
}
.pioneer-form-panel__note {
    margin: 0;
    font-size: 15px;
    color: var(--pioneer-on-variant);
    line-height: 1.6;
}
.pioneer-form-panel--dark .pioneer-form-panel__note {
    color: #94a3b8;
}
.pioneer-form-panel__list {
    margin: 0 0 24px 1.2em;
    padding: 0;
    font-size: var(--pioneer-fs-body-sm);
    line-height: 30px;
    color: var(--pioneer-on-variant);
    position: relative;
    z-index: 1;
}
.pioneer-form-panel--dark .pioneer-form-panel__list {
    color: #cbd5e1;
}
.pioneer-form-panel__list li {
    margin-bottom: 8px;
}
.pioneer-form-panel .pioneer-btn--primary {
    width: 100%;
    position: relative;
    z-index: 1;
}
.pioneer-form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 16px;
}
.pioneer-form-field {
    grid-column: 1 / -1;
}
.pioneer-form-field--half {
    grid-column: span 1;
}
.pioneer-form-grid--grouped {
    gap: 16px 18px;
}
.pioneer-form-group-title-wrap {
    grid-column: 1 / -1;
    margin-top: 10px;
}
.pioneer-form-group-title {
    margin: 0;
    padding: 9px 12px;
    border-left: 4px solid var(--pioneer-primary);
    background: rgba(181, 141, 85, 0.08);
    border-radius: 6px;
    font-size: 15px;
    line-height: 1.35;
}
.pioneer-form-field label {
    display: block;
    margin: 0 0 7px;
    font-size: 14px;
    color: #6a553d;
    font-weight: 700;
}
.pioneer-form-field input:not([type="checkbox"]):not([type="radio"]):not([type="hidden"]):not([type="file"]),
.pioneer-form-field select,
.pioneer-form-field textarea {
    width: 100%;
    border: 1px solid rgba(203, 162, 104, 0.45);
    border-radius: 10px;
    background: #fffdf8;
    color: #3e3326;
    font-size: 15px;
    line-height: 1.5;
    padding: 11px 12px;
    outline: none;
    transition: border-color .2s ease, box-shadow .2s ease;
}
.pioneer-upload-row {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 10px;
    align-items: center;
}
.pioneer-upload-filename {
    min-width: 0;
    font-size: 13px;
    color: #7b6242;
    padding: 10px 12px;
    border: 1px dashed rgba(181, 141, 85, 0.45);
    border-radius: 10px;
    background: #fffaf2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.pioneer-upload-tip {
    margin: 8px 0 0;
    min-height: 20px;
    font-size: 13px;
    color: #8b6a40;
}
.pioneer-human-check {
    margin-bottom: 10px;
    padding: 12px 14px;
    border: 1px solid rgba(203, 162, 104, 0.35);
    border-radius: 12px;
    background: linear-gradient(135deg, #fffaf0 0%, #fffef9 100%);
}
.pioneer-human-check__label {
    font-size: 13px;
    color: #6b4f2e;
    margin-bottom: 8px;
}
.pioneer-human-check__label strong {
    color: #9a6b2e;
}
.pioneer-human-check__track {
    position: relative;
    height: 36px;
    border-radius: 999px;
    background: #f1e6d2;
    overflow: hidden;
}
.pioneer-human-check__target {
    position: absolute;
    left: 88%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 2px;
    height: 100%;
    background: rgba(154, 107, 46, 0.55);
}
.pioneer-human-check__target span {
    position: absolute;
    top: -24px;
    left: 50%;
    transform: translateX(-50%);
    background: #9a6b2e;
    color: #fff;
    font-size: 11px;
    line-height: 1;
    padding: 4px 6px;
    border-radius: 999px;
}
.pioneer-human-check__progress {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 0;
    background: linear-gradient(135deg, #b58d55 0%, #cfad71 100%);
}
.pioneer-human-check__thumb {
    position: absolute;
    top: 50%;
    left: 0;
    transform: translate(-50%, -50%);
    width: 30px;
    height: 30px;
    border: none;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 4px 12px rgba(0,0,0,.2);
    cursor: grab;
}
.pioneer-human-check__status {
    margin: 8px 0 0;
    font-size: 13px;
    color: #7c6a53;
}
.pioneer-human-check__status.is-success {
    color: #2d7a38;
    font-weight: 700;
}
.pioneer-upload-preview {
    margin-top: 10px;
}
.pioneer-upload-preview img {
    width: 120px;
    height: 120px;
    object-fit: contain;
    background: #fff;
    border: 1px solid rgba(203, 162, 104, 0.35);
    border-radius: 10px;
    padding: 8px;
}
.pioneer-form-field textarea {
    resize: vertical;
}
.pioneer-form-field input:focus,
.pioneer-form-field select:focus,
.pioneer-form-field textarea:focus {
    border-color: #b58d55;
    box-shadow: 0 0 0 3px rgba(181, 141, 85, 0.16);
}
.pioneer-check-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px 18px;
    margin-top: 4px;
}
.pioneer-form-status {
    margin: 2px 0 0;
    min-height: 20px;
    font-size: 14px;
    color: #6b7280;
}
.pioneer-form-status.is-success {
    color: #2d7a38;
}
.pioneer-form-status.is-error {
    color: #b42318;
}
@media (max-width: 767px) {
    .pioneer-form-grid {
        grid-template-columns: 1fr;
    }
    .pioneer-form-field--half {
        grid-column: 1 / -1;
    }
    .pioneer-check-grid {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    .pioneer-upload-row {
        grid-template-columns: 1fr;
    }
    .pioneer-upload-filename {
        width: 100%;
    }
}

/* Sponsor grid */
.pioneer-sponsor-grid {
    display: grid;
    gap: 24px;
}
@media (min-width: 768px) {
    .pioneer-sponsor-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (min-width: 1024px) {
    .pioneer-sponsor-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}
.pioneer-sponsor-card {
    background: var(--pioneer-surface-low);
    padding: 28px;
    border-radius: 24px;
    border: 1px solid rgba(209, 197, 180, 0.35);
}
.pioneer-sponsor-card h3 {
    margin: 0 0 12px;
    font-size: 22px;
    font-weight: 800;
    color: var(--pioneer-primary);
    line-height: 1.3;
}
.pioneer-sponsor-card p {
    margin: 0;
    font-size: var(--pioneer-fs-body-sm);
    line-height: 30px;
    color: var(--pioneer-on-variant);
}

/* Contact footer block */
.pioneer-contact {
    border-top: 1px solid rgba(181, 141, 85, 0.18);
    padding: 64px 0 80px;
    margin-top: 40px;
    background: #fffcf6;
}
.pioneer-contact__head {
    text-align: center;
    margin-bottom: 40px;
}
.pioneer-contact__head h2 {
    font-size: var(--pioneer-fs-h2);
    font-weight: 800;
    margin: 0 0 12px;
    line-height: 1.2;
}
.pioneer-contact__head p {
    margin: 0;
    font-size: var(--pioneer-fs-lead);
    color: var(--pioneer-muted);
    line-height: var(--pioneer-lh-body);
}
.pioneer-contact__grid {
    display: grid;
    gap: 24px;
}
@media (min-width: 768px) {
    .pioneer-contact__grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
}
.pioneer-contact__col {
    background: var(--pioneer-surface-low);
    padding: 28px;
    border-radius: 24px;
    border: 1px solid rgba(209, 197, 180, 0.35);
    box-sizing: border-box;
}
.pioneer-contact__col h5 {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--pioneer-primary-deep);
    border-bottom: 1px solid rgba(181, 141, 85, 0.25);
    padding-bottom: 12px;
    margin: 0 0 16px;
}
.pioneer-contact__col p,
.pioneer-contact__col a {
    font-size: var(--pioneer-fs-body-sm);
    line-height: 30px;
    color: #475569;
    margin: 0 0 10px;
    word-break: break-all;
}
.pioneer-contact__col a {
    display: inline-block;
}

.pioneer-forms-strip {
    background: var(--pioneer-surface-low);
    border-top: 1px solid var(--pioneer-outline);
    border-bottom: 1px solid var(--pioneer-outline);
}

/* 小屏与站内 home-block / mcp 标题缩放一致 */
@media (max-width: 991px) {
    .pioneer-ai-page {
        --pioneer-fs-h2: 36px;
        --pioneer-fs-h3: 22px;
    }
}
/* 首屏标题/副文案：与首页第二屏 banner（非视频）H5 一致 layout.css max-width:992px */
@media (max-width: 992px) {
    .pioneer-hero__title {
        font-size: 28px;
        line-height: 1.25;
        letter-spacing: -0.02em;
        margin: 0 0 16px;
        padding: 20px 0 12px;
    }
    .pioneer-hero__desc {
        font-size: 16px;
        line-height: 28px;
        font-weight: 400;
    }
}

@media (max-width: 767px) {
    .pioneer-ai-page {
        --pioneer-fs-h2: 28px;
        --pioneer-fs-body: 16px;
        --pioneer-fs-lead: 17px;
        --pioneer-fs-card-title: 20px;
    }
    .pioneer-wrap {
        padding-left: max(16px, env(safe-area-inset-left));
        padding-right: max(16px, env(safe-area-inset-right));
    }
    /* 首屏：文案叠在 Banner 上；遮罩用半透明黑，透出底图 */
    .pioneer-hero {
        position: relative;
        display: block;
        background: #0e1118;
        overflow: hidden;
    }
    /* H5 首屏视频区：高度保持适中；视频拉伸铺满容器（object-fit: fill），非加高 Banner */
    .pioneer-hero__media {
        aspect-ratio: unset;
        width: 100%;
        height: 46vh;
        min-height: 220px;
        max-height: 400px;
    }
    .pioneer-hero__bg {
        width: auto;
        height: 100%;
    }
    .pioneer-hero__video {
        object-fit: fill;
        object-position: center center;
    }
    .pioneer-hero__overlay {
        position: absolute;
        inset: 0;
        display: flex;
        align-items: flex-start;
        justify-content: stretch;
        pointer-events: auto;
        touch-action: pan-y pinch-zoom;
        box-sizing: border-box;
        /* 偏上但不贴顶：视口比例留白 + 安全区（勿再写 padding:0 覆盖） */
        padding: max(48px, calc(env(safe-area-inset-top) + 7vh)) max(16px, env(safe-area-inset-right)) 24px max(16px, env(safe-area-inset-left));
        /* 与 PC 同重心（中间偏左），竖屏略上移椭圆；底部轻压暗便于底部文案 */
        background:
            linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.22) 100%),
            radial-gradient(
                ellipse 100% 88% at 30% 36%,
                rgba(0, 0, 0, 0.52) 0%,
                rgba(0, 0, 0, 0.26) 44%,
                rgba(0, 0, 0, 0.08) 74%,
                transparent 100%
            );
    }
    .pioneer-hero__overlay .pioneer-wrap {
        width: 100%;
        max-width: none;
    }
    .pioneer-hero__grid {
        height: auto;
        min-height: 0;
        padding: 0 0 18px;
        gap: 0;
    }
    .pioneer-badge {
        font-size: 11px;
        padding: 8px 12px;
        max-width: 100%;
        white-space: normal;
        text-align: left;
        letter-spacing: 0.04em;
    }
    /* 字号与首页 banner 一致，仅收紧上下留白 */
    .pioneer-hero__title {
        font-size: 28px;
        padding: 12px 0 10px;
        line-height: 1.25;
        margin: 0 0 12px;
    }
    .pioneer-hero__desc {
        font-size: 16px;
        line-height: 28px;
        color: rgba(255, 255, 255, 0.92);
    }
    .pioneer-hero__actions {
        flex-direction: row;
        flex-wrap: nowrap;
        align-items: stretch;
        justify-content: stretch;
        margin-top: 18px;
        gap: 8px;
    }
    .pioneer-hero__actions .pioneer-btn {
        flex: 1 1 0;
        min-width: 0;
        width: auto;
        min-height: 40px;
        padding: 9px 10px;
        font-size: 14px;
        line-height: 1.25;
        box-sizing: border-box;
    }
    .pioneer-btn {
        font-size: 17px;
        padding: 14px 22px;
    }
    .pioneer-section {
        padding: 48px 0;
    }
    .pioneer-section__head {
        margin-bottom: 28px;
        padding-left: 0;
        padding-right: 0;
    }
    .pioneer-section__head .pioneer-title--nowrap {
        white-space: normal;
    }
    .pioneer-section__lead {
        font-size: 16px;
        line-height: 1.65;
    }
    .pioneer-intro__box {
        padding: 18px 16px 20px;
        border-radius: 18px;
    }
    /* H5：隐藏简介区「大赛核心信息」金色卡片 */
    .pioneer-intro .pioneer-intro__core {
        display: none !important;
    }
    .pioneer-intro__lead {
        font-size: 16px;
        padding: 12px 14px;
    }
    .pioneer-value-card {
        padding: 22px 18px;
    }
    .pioneer-track__banner {
        height: min(160px, 42vw);
    }
    .pioneer-track__body {
        padding: 20px 16px;
        gap: 16px;
    }
    .pioneer-rule-panel {
        padding: 16px 14px 18px;
    }
    .pioneer-zones__layout {
        gap: 24px;
    }
    .pioneer-section--dark .pioneer-section__head {
        margin-bottom: 28px;
    }
    .pioneer-section--dark .pioneer-section__head h2 {
        font-size: clamp(21px, 5.4vw, 28px);
        line-height: 1.22;
        margin-bottom: 12px;
    }
    .pioneer-section--dark .pioneer-section__lead {
        font-size: 15px;
        line-height: 1.65;
    }
    .pioneer-zones__col h4 {
        font-size: 15px;
        letter-spacing: 0.09em;
        margin: 20px 0 12px;
        padding-left: 12px;
        border-left-width: 3px;
    }
    .pioneer-zones__col h4:first-child {
        margin-top: 0;
    }
    .pioneer-zones__chips {
        gap: 8px;
    }
    .pioneer-zones__chip {
        padding: 10px 14px;
        font-size: 15px;
        line-height: 1.4;
    }
    .pioneer-zones__online {
        font-size: 15px;
        line-height: 1.7;
    }
    .pioneer-zones__deco {
        min-height: 200px;
    }
    .pioneer-partner-card {
        padding: 20px 18px;
    }
    .pioneer-form-panel {
        padding: 24px 16px 28px;
        border-radius: 22px;
    }
    .pioneer-form-panel__head h3 {
        font-size: 20px;
    }
    .pioneer-form-panel__note {
        font-size: 14px;
    }
    .pioneer-form-field input,
    .pioneer-form-field select,
    .pioneer-form-field textarea {
        font-size: 16px;
    }
    .pioneer-human-check__thumb {
        width: 36px;
        height: 36px;
        touch-action: none;
    }
    .pioneer-sponsor-card {
        padding: 20px 18px;
        border-radius: 18px;
    }
    .pioneer-sponsor-card h3 {
        font-size: 19px;
    }
    .pioneer-contact {
        padding: 48px 0 max(48px, calc(32px + env(safe-area-inset-bottom)));
        margin-top: 24px;
    }
    .pioneer-contact__head {
        margin-bottom: 28px;
    }
    .pioneer-contact__col {
        padding: 20px 18px;
    }
    /* 赛程区块：与 layout 中 .container.schedule 对齐，本页 class 为 ai-schedule */
    .page-aiagent .container.ai-schedule {
        width: 100%;
        max-width: 100%;
        padding-left: max(16px, env(safe-area-inset-left));
        padding-right: max(16px, env(safe-area-inset-right));
        box-sizing: border-box;
    }
    .page-aiagent .container.ai-schedule .container-box {
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }
}

@media (max-width: 480px) {
    .pioneer-wrap {
        padding-left: max(14px, env(safe-area-inset-left));
        padding-right: max(14px, env(safe-area-inset-right));
    }
    .pioneer-section {
        padding: 40px 0;
    }
    .pioneer-form-panel {
        padding: 20px 14px 24px;
    }
}

/* 赛程竖轴：与全页标题字体一致 */
.page-aiagent .ai-schedule .schedule-box h2 {
    font-family: Manrope, "Noto Sans SC", "PingFang SC", sans-serif;
    color: #333;
}

/* H5 / 窄屏：赛程全宽纵向流式，去掉固定高度、绝对定位与过大 margin（layout 768 规则针对旧版） */
@media (max-width: 768px) {
    .page-aiagent .container.ai-schedule {
        padding-bottom: 36px !important;
        padding-top: 12px;
    }
    .page-aiagent .ai-schedule .schedule-box h2 {
        font-size: clamp(22px, 5.5vw, 28px);
        margin-bottom: 22px;
        line-height: 1.25;
    }
    .page-aiagent .ai-schedule .schedule-progress.ai-schedule-progress--four {
        padding-bottom: 4px !important;
        align-items: stretch;
    }
    /* 父级改为全宽容器，原 16px 圆点改由伪元素呈现 */
    .page-aiagent .ai-schedule .schedule-point {
        width: 100% !important;
        max-width: 100%;
        height: auto !important;
        min-height: 0;
        margin: 0 0 20px !important;
        margin-top: 0 !important;
        padding: 0 !important;
        position: relative;
        display: flex;
        flex-direction: column;
        align-items: center;
        background: transparent !important;
        border: none !important;
        box-shadow: none !important;
    }
    .page-aiagent .ai-schedule .schedule-point:last-child {
        margin-bottom: 0 !important;
    }
    .page-aiagent .ai-schedule .schedule-point::before {
        content: "";
        display: block;
        width: 14px;
        height: 14px;
        margin: 0 auto 12px;
        flex-shrink: 0;
        background: #b58d55;
        border: 3px solid #fbf7ec;
        border-radius: 50%;
        box-shadow: 0 0 0 3px #b58d55;
        position: relative;
        z-index: 1;
    }
    .page-aiagent .ai-schedule .schedule-point::after {
        display: none !important;
    }
    .page-aiagent .schedule-point:nth-child(2n - 1) .schedule-point-block,
    .page-aiagent .schedule-point:nth-child(2n) .schedule-point-block {
        position: relative !important;
        left: auto !important;
        right: auto !important;
        transform: none !important;
        margin-top: 0 !important;
        width: 100% !important;
        max-width: 100% !important;
    }
    .page-aiagent .ai-schedule .schedule-point-block {
        height: auto !important;
        min-height: 0 !important;
        padding: 16px 14px 18px !important;
        border-radius: 16px;
        align-items: flex-start !important;
        text-align: left;
        border-left-width: 4px;
        box-sizing: border-box;
    }
    .page-aiagent .ai-schedule .schedule-point-block span {
        width: auto !important;
        min-width: 0;
        max-width: 100%;
        height: auto !important;
        min-height: 0;
        padding: 7px 12px !important;
        font-size: 12px;
        line-height: 1.4;
        align-self: flex-start;
        justify-content: center;
        white-space: normal;
        text-align: center;
    }
    .page-aiagent .ai-schedule .schedule-point-block h3 {
        font-size: 17px;
        margin: 12px 0 8px;
        line-height: 1.35;
    }
    .page-aiagent .ai-schedule .schedule-point-block p {
        font-size: 15px;
        line-height: 1.65;
        margin: 0;
    }
    .page-aiagent .ai-schedule .schedule-point-block:hover,
    .page-aiagent .schedule-point-block:hover {
        transform: none !important;
    }
}

/* --------------------------------------------------------------------------
 * translate.js 切换为英文后：译文偏长，收敛字号 + 强制换行，避免撑出视口
 * 依赖 layout/foot.html 在 html 上同步 .translate-lang-en
 * -------------------------------------------------------------------------- */
html.translate-lang-en .page-aiagent.pioneer-ai-page {
    --pioneer-fs-body: 15px;
    --pioneer-fs-body-sm: 14px;
    --pioneer-fs-lead: 16px;
    --pioneer-fs-h2: 32px;
    --pioneer-fs-h2-sm: 26px;
    --pioneer-fs-h3: 20px;
    --pioneer-fs-card-title: 18px;
    --pioneer-lh-body: 1.6;
    --pioneer-lh-tall: 1.65;
    word-break: break-word;
    overflow-wrap: break-word;
}
html.translate-lang-en .page-aiagent .pioneer-font-head,
html.translate-lang-en .page-aiagent h1,
html.translate-lang-en .page-aiagent h2,
html.translate-lang-en .page-aiagent h3 {
    word-break: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
}
html.translate-lang-en .page-aiagent .pioneer-title--nowrap {
    white-space: normal;
}
html.translate-lang-en .page-aiagent .pioneer-badge {
    font-size: 11px;
    letter-spacing: 0.03em;
    white-space: normal;
    max-width: 100%;
    line-height: 1.45;
}
html.translate-lang-en .page-aiagent .pioneer-hero__title {
    font-size: clamp(26px, 4.8vw, 52px);
    line-height: 1.12;
    padding: 40px 0 16px;
}
html.translate-lang-en .page-aiagent .pioneer-hero__desc {
    font-size: clamp(14px, 1.1rem + 0.4vw, 22px);
    line-height: 1.55;
    max-width: 100%;
}
html.translate-lang-en .page-aiagent .pioneer-hero__actions {
    flex-wrap: wrap;
    gap: 12px;
}
html.translate-lang-en .page-aiagent .pioneer-hero .pioneer-btn {
    font-size: 1rem;
    padding: 12px 18px;
    max-width: 100%;
    box-sizing: border-box;
}
html.translate-lang-en .page-aiagent .pioneer-section__head h2 {
    font-size: clamp(22px, 3.6vw, 34px);
    line-height: 1.22;
}
html.translate-lang-en .page-aiagent .pioneer-section__lead {
    font-size: 15px;
    line-height: 1.6;
    max-width: 100%;
}
html.translate-lang-en .page-aiagent .pioneer-intro__lead {
    font-size: 15px;
    line-height: 1.65;
}
html.translate-lang-en .page-aiagent .pioneer-intro__tag strong,
html.translate-lang-en .page-aiagent .pioneer-intro__tag span {
    word-break: break-word;
}
html.translate-lang-en .page-aiagent .pioneer-value-card__title {
    font-size: 17px;
    line-height: 1.35;
}
html.translate-lang-en .page-aiagent .pioneer-value-card p {
    font-size: 14px;
    line-height: 1.65;
}
html.translate-lang-en .page-aiagent .pioneer-track__body h3 {
    font-size: 17px;
    line-height: 1.35;
}
html.translate-lang-en .page-aiagent .pioneer-track__body p {
    font-size: 14px;
}
html.translate-lang-en .page-aiagent .pioneer-rule-panel__head h3 {
    font-size: 17px;
}
html.translate-lang-en .page-aiagent .pioneer-rule-panel__list li {
    font-size: 14px;
}
html.translate-lang-en .page-aiagent .pioneer-zones__chip {
    font-size: 14px;
    padding: 9px 14px;
    max-width: 100%;
    white-space: normal;
    text-align: center;
    line-height: 1.35;
}
html.translate-lang-en .page-aiagent .pioneer-section--dark .pioneer-section__head h2 {
    font-size: clamp(20px, 3.5vw, 30px);
}
html.translate-lang-en .page-aiagent .pioneer-partner-card h4 {
    font-size: 16px;
    line-height: 1.35;
}
html.translate-lang-en .page-aiagent .pioneer-partner-card p {
    font-size: 14px;
    line-height: 1.65;
}
html.translate-lang-en .page-aiagent .pioneer-form-panel__head h3 {
    font-size: 18px;
    line-height: 1.3;
}
html.translate-lang-en .page-aiagent .pioneer-form-field label {
    font-size: 13px;
}
html.translate-lang-en .page-aiagent .pioneer-contact__head h2 {
    font-size: clamp(22px, 3.8vw, 32px);
}
html.translate-lang-en .page-aiagent .pioneer-contact__col p,
html.translate-lang-en .page-aiagent .pioneer-contact__col a {
    font-size: 14px;
    word-break: break-word;
}
html.translate-lang-en .page-aiagent .ai-schedule .schedule-box h2 {
    font-size: clamp(20px, 3.5vw, 28px);
}
html.translate-lang-en .page-aiagent .ai-schedule .schedule-point-block h3 {
    font-size: 16px;
}
html.translate-lang-en .page-aiagent .ai-schedule .schedule-point-block p {
    font-size: 14px;
    line-height: 1.6;
}
html.translate-lang-en .page-aiagent .ai-schedule .schedule-point-block span {
    font-size: 11px;
    white-space: normal;
    line-height: 1.35;
}
html.translate-lang-en .page-aiagent .pioneer-core-head__title {
    font-size: 18px;
    line-height: 1.25;
}
html.translate-lang-en .page-aiagent .pioneer-core-metric strong {
    font-size: 15px;
}
html.translate-lang-en .page-aiagent .pioneer-core-list li {
    font-size: 13px;
}
html.translate-lang-en .page-aiagent .pioneer-sponsor-card p,
html.translate-lang-en .page-aiagent .pioneer-sponsor-card li {
    font-size: 13px;
    line-height: 1.6;
}

@media (max-width: 992px) {
    html.translate-lang-en .page-aiagent .pioneer-hero__title {
        font-size: clamp(22px, 5.2vw, 36px);
    }
    html.translate-lang-en .page-aiagent .pioneer-hero__desc {
        font-size: 15px;
        line-height: 1.55;
    }
}
@media (max-width: 767px) {
    html.translate-lang-en .page-aiagent.pioneer-ai-page {
        --pioneer-fs-h2: 24px;
        --pioneer-fs-body: 14px;
        --pioneer-fs-lead: 15px;
    }
    html.translate-lang-en .page-aiagent .pioneer-badge {
        font-size: 10px;
        padding: 7px 10px;
    }
    html.translate-lang-en .page-aiagent .pioneer-hero__title {
        font-size: 22px;
        padding: 10px 0 8px;
        line-height: 1.2;
    }
    html.translate-lang-en .page-aiagent .pioneer-hero__desc {
        font-size: 14px;
        line-height: 1.55;
    }
    html.translate-lang-en .page-aiagent .pioneer-hero__actions .pioneer-btn {
        font-size: 13px;
        padding: 8px 8px;
    }
    html.translate-lang-en .page-aiagent .pioneer-section__head h2 {
        font-size: 22px;
    }
    html.translate-lang-en .page-aiagent .pioneer-intro__text p {
        font-size: 14px;
        text-indent: 0;
    }
    html.translate-lang-en .page-aiagent .pioneer-zones__col h4 {
        font-size: 13px;
    }
    html.translate-lang-en .page-aiagent .pioneer-zones__chip {
        font-size: 13px;
    }
}

/* --------------------------------------------------------------------------
 * 底部浮动快捷报名横条：首屏 Banner 滚出视口后出现（全视口）
 * -------------------------------------------------------------------------- */
.pioneer-sticky-cta {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 950;
    transform: translate3d(0, 110%, 0);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: transform 0.32s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.28s ease, visibility 0.32s;
    padding-bottom: env(safe-area-inset-bottom, 0px);
}
.pioneer-sticky-cta.is-visible {
    transform: translate3d(0, 0, 0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}
.pioneer-sticky-cta__bg {
    position: absolute;
    inset: 0;
    background-image: linear-gradient(180deg, rgba(8, 10, 18, 0.88) 0%, rgba(12, 14, 22, 0.94) 100%),
        url("/static/image/index/aiagen-banner.jpg");
    background-size: cover;
    background-position: 28% 22%;
    background-repeat: no-repeat;
    border-top: 1px solid rgba(207, 173, 113, 0.45);
    box-shadow: 0 -8px 28px rgba(0, 0, 0, 0.35);
}
.pioneer-sticky-cta__bg::after {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 120% 180% at 30% 20%, rgba(0, 0, 0, 0.35) 0%, transparent 55%);
    pointer-events: none;
}
.pioneer-sticky-cta__inner {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    max-width: 1280px;
    margin: 0 auto;
    padding: 10px max(14px, env(safe-area-inset-left)) 10px max(14px, env(safe-area-inset-right));
    min-height: 52px;
    box-sizing: border-box;
}
.pioneer-sticky-cta__brand {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
    flex: 1 1 auto;
}
.pioneer-sticky-cta__kicker {
    display: block;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: rgba(207, 173, 113, 0.95);
    line-height: 1.2;
}
.pioneer-sticky-cta__theme {
    display: block;
    font-size: 13px;
    font-weight: 800;
    color: #fff8f0;
    line-height: 1.25;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.pioneer-sticky-cta__actions {
    display: flex;
    flex-shrink: 0;
    align-items: center;
    gap: 6px;
}
.pioneer-sticky-cta__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 12px;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 700;
    text-decoration: none !important;
    line-height: 1.2;
    white-space: nowrap;
    box-sizing: border-box;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.pioneer-sticky-cta__btn--primary {
    background: linear-gradient(135deg, #b58d55 0%, #cfad71 55%, #cba268 100%);
    color: #fff !important;
    box-shadow: 0 4px 14px rgba(181, 141, 85, 0.35);
}
.pioneer-sticky-cta__btn--ghost {
    color: #fff8ec !important;
    border: 1px solid rgba(255, 236, 210, 0.65);
    background: rgba(0, 0, 0, 0.25);
}
.pioneer-sticky-cta__btn:active {
    transform: scale(0.98);
}
@media (max-width: 380px) {
    .pioneer-sticky-cta__theme {
        font-size: 12px;
    }
    .pioneer-sticky-cta__btn {
        font-size: 12px;
        padding: 7px 10px;
    }
}
@media (prefers-reduced-motion: reduce) {
    .pioneer-sticky-cta {
        transition: none;
    }
}
.page-aiagent.has-sticky-cta {
    padding-bottom: calc(58px + env(safe-area-inset-bottom, 0px));
}
@media (min-width: 992px) {
    .pioneer-sticky-cta__inner {
        padding: 12px max(24px, env(safe-area-inset-left)) 14px max(24px, env(safe-area-inset-right));
        min-height: 58px;
        gap: 20px;
    }
    .pioneer-sticky-cta__kicker {
        font-size: 10px;
    }
    .pioneer-sticky-cta__theme {
        font-size: 15px;
    }
    .pioneer-sticky-cta__actions {
        gap: 10px;
    }
    .pioneer-sticky-cta__btn {
        padding: 10px 20px;
        font-size: 14px;
        border-radius: 12px;
    }
    .page-aiagent.has-sticky-cta {
        padding-bottom: calc(66px + env(safe-area-inset-bottom, 0px));
    }
}

/* 快速报名弹窗 */
.pioneer-quick-modal {
    position: fixed;
    inset: 0;
    z-index: 10050;
    display: none;
    align-items: flex-start;
    justify-content: center;
    padding: max(24px, env(safe-area-inset-top)) 16px max(24px, env(safe-area-inset-bottom));
    box-sizing: border-box;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}
.pioneer-quick-modal.is-open {
    display: flex;
}
.pioneer-quick-modal[hidden] {
    display: none !important;
}
.pioneer-quick-modal__backdrop {
    position: fixed;
    inset: 0;
    background: rgba(14, 17, 24, 0.55);
    backdrop-filter: blur(4px);
}
.pioneer-quick-modal__dialog {
    position: relative;
    width: 100%;
    max-width: 560px;
    margin: auto 0;
    padding: 28px 24px 24px;
    background: var(--pioneer-surface-low);
    border: 1px solid var(--pioneer-outline);
    border-radius: 16px;
    box-shadow: 0 24px 48px rgba(42, 37, 32, 0.18);
}
.pioneer-quick-modal__close {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 10px;
    background: transparent;
    color: var(--pioneer-muted);
    font-size: 28px;
    line-height: 1;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
}
.pioneer-quick-modal__close:hover {
    background: var(--pioneer-surface-high);
    color: var(--pioneer-on-surface);
}
.pioneer-quick-modal__head {
    margin-bottom: 20px;
    padding-right: 36px;
}
.pioneer-quick-modal__title {
    margin: 0 0 8px;
    font-size: var(--pioneer-fs-h3);
    color: var(--pioneer-on-surface);
}
.pioneer-quick-modal__note {
    margin: 0;
    font-size: var(--pioneer-fs-body-sm);
    color: var(--pioneer-muted);
    line-height: var(--pioneer-lh-body);
}
.pioneer-req {
    color: #c45c5c;
    font-weight: 600;
}
.pioneer-quick-modal .pioneer-form-grid {
    gap: 14px 16px;
}
.pioneer-quick-modal__agree {
    margin-top: 4px;
}
/* 覆盖 .pioneer-form-field label 的 block，整行横向一排：□ + 文案 + 链接 */
.pioneer-quick-modal__agree.pioneer-form-field label.pioneer-quick-modal__checkbox {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 0;
    font-weight: 600;
    max-width: 100%;
    box-sizing: border-box;
}
.pioneer-quick-modal__checkbox {
    cursor: pointer;
}
.pioneer-quick-modal__checkbox span {
    flex: 1 1 0;
    min-width: 0;
    font-size: var(--pioneer-fs-body-sm);
    color: var(--pioneer-on-variant);
    line-height: 1.45;
    white-space: normal;
    overflow-wrap: anywhere;
    word-break: break-word;
}
/* 勿继承 .pioneer-form-field input{width:100%}，否则复选框拉满一行把文案「挤飞」 */
.pioneer-quick-modal .pioneer-form-field input[type="checkbox"] {
    width: auto;
    flex: 0 0 auto;
    margin: 0;
    margin-top: 2px;
    padding: 0;
    border: none;
    border-radius: 4px;
    background: transparent;
    box-shadow: none;
    accent-color: var(--pioneer-primary);
    align-self: flex-start;
}
.pioneer-quick-modal__checkbox a {
    white-space: nowrap;
}
@media (max-width: 400px) {
    .pioneer-quick-modal__checkbox span {
        font-size: 12px;
    }
}
.pioneer-quick-modal__status {
    margin: 4px 0 0;
    min-height: 1.25em;
}
.pioneer-quick-modal__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 8px;
    padding-top: 8px;
}
@media (max-width: 520px) {
    .pioneer-quick-modal__dialog {
        padding: 24px 16px 20px;
    }
}

/* H5：底部快捷条出现时，语言浮动钮抬高，避免与 pioneer-sticky-cta 重叠（仍保持距条上沿约 15px 视觉间隔） */
@media (max-width: 767px) {
    html:has(.page-aiagent.has-sticky-cta) .lang-switch-fixed {
        bottom: calc(15px + 60px + env(safe-area-inset-bottom, 0px));
    }
}