@import url("./base.f1cb1844afa0.css");

html { background: #f7f9fc; scroll-padding-top: 250px; }
.header { min-height: 78px; }
.brand small { display: none; }
.wrap { width: 1160px; max-width: calc(100% - 64px); }
.hero, .market-section, .about-section, .download-section { width: 1280px; max-width: calc(100% - 48px); margin: 0 auto 32px; border-radius: 28px; }
.hero > .wrap, .market-section > .wrap, .about-section > .wrap, .download-section > .wrap { max-width: calc(100% - 64px); }
.hero-inner { min-height: 500px; }
.hero-copy { padding: 34px 0; }
h1 { font-size: 64px; margin-bottom: 16px; }
.hero-description { font-size: 20px; margin: 0 0 24px; }
.hero-app-scene { max-width: 325px; padding-top: 12px; padding-bottom: 34px; }
.hero-art .art-label { bottom: 0; right: 0; }
.orbit { width: 350px; height: 350px; top: 20px; left: 15%; }
.hero-download .qr-pair { justify-content: flex-start; }
.hero-download .qr-card { width: 148px; margin: 0 14px 0 0; padding: 8px; border: 1px solid #dbe7f2; }
.hero-download .qr-code { width: 130px; height: 130px; }
.hero-download .qr-label { font-size: 14px; font-weight: 600; padding: 2px 0 5px; }
.section { padding: 64px 0; }
.market-inner { padding: 56px 0; }
.about-section, .download-section { padding: 56px 0; }

/* 卡片在主内容内吸顶，始终保留各福利的完整权益和可展开的活动规则。 */
.benefit-float { position: -webkit-sticky; position: sticky; top: 12px; z-index: 12; padding: 18px 24px 12px; border: 1px solid #edd5b7; border-radius: 20px; background: #fff9ef; box-shadow: 0 8px 30px rgba(66, 48, 26, .09); color: #593e30; }
.benefit-top { display: flex; align-items: center; justify-content: space-between; }
.benefit-title { display: flex; align-items: center; margin-right: 20px; flex-shrink: 0; }
.benefit-badge { padding: 7px 9px; margin-right: 12px; background: #b8392b; color: #fff6df; border-radius: 10px; font-weight: 800; font-size: 19px; }
.benefit-title h2 { font-size: 20px; letter-spacing: 0; margin: 0; line-height: 1.4; }
.benefit-title h2 span { display: block; font-size: 12px; font-weight: 400; color: #8d6c53; }
.benefit-tabs { display: flex; padding: 4px; background: #f3e8d9; border-radius: 10px; }
.benefit-tabs button { border: 0; border-radius: 7px; background: transparent; color: #775e4c; padding: 7px 16px; white-space: nowrap; font-weight: 600; font-size: 14px; }
.benefit-tabs button span { margin-left: 8px; font-weight: 400; }
.benefit-tabs button[aria-selected="true"] { background: #fff; color: #b02f24; box-shadow: 0 2px 7px #67411b12; }
.benefit-tabs button:focus, .benefit-tabs button:hover { background: #ffe4c7; color: #98251c; }
.benefit-download { flex-shrink: 0; padding: 8px 17px; margin-left: 16px; border-radius: 9px; background: #b8392b; color: #fff; font-size: 14px; font-weight: 600; }
.benefit-download:hover, .benefit-download:focus { background: #912b20; color: #fff; }
.benefit-body { padding: 12px 0; min-height: 76px; }
.benefit-panel { font-size: 14px; line-height: 1.8; outline: none; }
.benefit-panel[hidden], .benefit-rules[hidden] { display: none; }
.benefit-panel p, .benefit-panel ul { margin: 0; }
.benefit-panel ul { padding-left: 20px; }
.benefit-panel li { padding-left: 2px; }
.benefit-panel strong, .benefit-keyword { color: #b02f24; }
.benefit-panel strong { margin: 0 4px; }
.benefit-bottom { border-top: 1px solid #eedfce; padding-top: 8px; display: flex; align-items: center; justify-content: space-between; }
.benefit-bottom p { margin: 0; font-size: 12px; color: #836b57; }
.benefit-bottom strong { color: #9c4e31; }
.benefit-rules-toggle { border: 0; padding: 3px 0 3px 12px; background: transparent; font-size: 12px; color: #836b57; white-space: nowrap; }
.benefit-rules-toggle:focus, .benefit-rules-toggle:hover { color: #a92f22; background: #ffecd3; }
.benefit-rules { position: absolute; top: 100%; left: 0; right: 0; margin-top: 8px; padding: 14px 24px; border: 1px solid #edd5b7; border-radius: 14px; background: #fff9ef; box-shadow: 0 8px 30px #42301a17; max-height: 40vh; overflow: auto; }
.benefit-rules p { font-size: 12px; margin: 4px 0; }
@media (max-width: 1000px) {
  .benefit-title { margin-right: 10px; }
  .benefit-tabs button { padding: 7px 10px; }
  .benefit-tabs button span { display: block; margin-left: 0; font-size: 12px; }
  .benefit-download { margin-left: 10px; }
}
@media (max-width: 700px) {
  html { scroll-padding-top: 280px; }
  .wrap { max-width: calc(100% - 32px); }
  .header { min-height: 66px; }
  .hero, .market-section, .about-section, .download-section { max-width: calc(100% - 24px); border-radius: 20px; margin-bottom: 20px; }
  .hero > .wrap, .market-section > .wrap, .about-section > .wrap, .download-section > .wrap { max-width: calc(100% - 32px); }
  .hero-inner { min-height: 0; }
  .hero-copy { padding: 28px 0 24px; }
  h1 { font-size: 44px; margin-bottom: 12px; }
  .hero-description { font-size: 16px; margin-bottom: 20px; }
  .hero-download .qr-pair { justify-content: center; }
  .hero-download .qr-card { width: 132px; padding: 6px; margin: 0 5px; }
  .hero-download .qr-code { width: 118px; height: 118px; }
  .hero-download .qr-label { font-size: 12px; }
  .hero-art { display: block; width: 100%; height: auto; margin-top: 0; padding-bottom: 36px; }
  .section { padding: 42px 0; }
  .market-inner, .about-section, .download-section { padding-top: 36px; padding-bottom: 36px; }
  .benefit-float { top: 6px; max-width: calc(100% - 24px); padding: 12px 14px 10px; border-radius: 15px; }
  .benefit-top { flex-wrap: wrap; }
  .benefit-title { width: calc(100% - 106px); margin: 0; }
  .benefit-badge { font-size: 16px; padding: 5px 7px; margin-right: 9px; }
  .benefit-title h2 { font-size: 17px; }
  .benefit-title h2 span { display: inline; font-size: 11px; margin-left: 6px; }
  .benefit-tabs { order: 3; width: 100%; margin-top: 10px; padding: 3px; }
  .benefit-tabs button { flex: 1; padding: 5px 3px; font-size: 12px; }
  .benefit-tabs button span { display: inline; margin-left: 5px; font-size: 11px; }
  .benefit-download { margin-left: auto; padding: 6px 10px; font-size: 12px; }
  .benefit-body { min-height: 74px; padding: 9px 0; }
  .benefit-panel { font-size: 12px; line-height: 1.65; }
  .benefit-bottom { display: flex; padding-top: 6px; }
  .benefit-bottom p { flex: 1; font-size: 10px; }
  .benefit-rules-toggle { font-size: 10px; padding: 2px 0 0; margin-left: 10px; }
  .benefit-rules { padding: 12px 14px; }
}

/* 福利整块底色与 v2 活动区一致，文字和操作使用对应的浅金色。 */
.mobile-client .hero-download .qr-pair { display: none; }
.hero-download .mobile-download { justify-content: flex-start; margin: 20px 0 0; }
.benefit-float { padding-left: 150px; background: #c51d20; background: radial-gradient(ellipse at 85% 12%, #ff7444 0, transparent 45%), linear-gradient(145deg, #e83a2d, #c71c23 58%, #a9101b); border-color: #efba75; color: #fff5dd; box-shadow: 0 8px 26px #9b172226; }
.benefit-gift { position: absolute; left: 9px; top: 20px; width: 132px; height: 145px; object-fit: contain; pointer-events: none; }
.benefit-badge { display: none; }
.benefit-title h2 { color: #fff5dd; }
.benefit-title h2 span { color: #ffe5b8; }
.benefit-tabs { background: #a5162260; border: 1px solid #ffdf8e80; }
.benefit-tabs button { color: #fff1cf; }
.benefit-tabs button[aria-selected="true"] { background: #ffe3aa; color: #8c1e26; }
.benefit-tabs button:hover, .benefit-tabs button:focus { background: #ffe3aa; color: #8c1e26; }
.benefit-download { background: linear-gradient(120deg, #ffe8af, #efbc6b); color: #801e26; box-shadow: 0 4px 12px #4e0b2144; }
.benefit-download:hover, .benefit-download:focus { background: #fff0c4; color: #801e26; }
.benefit-panel strong, .benefit-panel .benefit-keyword { color: #ffe298; font-weight: 700; }
.benefit-bottom { border-color: #ffe1a04d; }
.benefit-bottom p, .benefit-bottom strong, .benefit-rules-toggle { color: #ffe0d2; }
.benefit-rules { color: #593e30; }
@media (max-width: 1000px) {
  .benefit-float { padding-left: 112px; }
  .benefit-gift { width: 98px; height: 128px; top: 28px; }
}
@media (max-width: 700px) {
  .benefit-float { padding-left: 14px; }
  .benefit-gift { top: 2px; left: 7px; width: 64px; height: 64px; }
  .benefit-title { padding-left: 58px; min-height: 44px; }
  .benefit-title h2 span { display: block; margin-left: 0; }
}

@media (max-width: 700px) {
  .hero-download .mobile-download { justify-content: center; }
}

/* 稳定占位与浮层分离，缩放不会改变文档流或吸顶临界点。 */
.benefit-slot { position: relative; z-index: 12; }
.benefit-float { position: relative; top: auto; width: 100%; max-width: none; margin: 0; transform-origin: center top; background: #e94438; background: radial-gradient(ellipse at 85% 12%, #ff9861 0, transparent 55%), linear-gradient(135deg, #ec493b, #df3d3b 60%, #e85c4a); }
.benefit-body { padding: 0; margin: 12px 0 10px; min-height: 0; overflow: hidden; border-radius: 12px; background: #fff7e7; }
.benefit-track { display: flex; align-items: stretch; transition: transform .5s cubic-bezier(.22,.68,.2,1); }
.benefit-panel { flex: 0 0 100%; width: 100%; min-width: 0; padding: 12px 18px; border: 1px solid #ffe2a5; border-radius: 12px; background: linear-gradient(120deg, #fffaf0, #fff0d4); color: #6f4336; line-height: 1.7; }
.benefit-panel strong, .benefit-panel .benefit-keyword { color: #b82b24; font-weight: 750; }
.benefit-panel strong { background: #ffe0a7; border-radius: 4px; padding: 0 4px; }
.benefit-card-head { display: flex; align-items: center; margin-bottom: 7px; line-height: 1.4; }
.benefit-card-head > span { background: #b9342d; color: #fff8e6; padding: 3px 8px; margin-right: 10px; border-radius: 5px; font-size: 11px; }
.benefit-card-head > b { font-size: 18px; color: #a72323; }
.benefit-card-head > em { margin-left: auto; padding-left: 10px; font-size: 14px; font-weight: 700; color: #a75517; }
.benefit-bottom { padding-top: 8px; }
.benefit-claim { display: flex; align-items: center; flex: 1; }
.benefit-limit { display: flex; align-items: baseline; flex-shrink: 0; padding: 0 12px; border: 1px solid #ffdf8c; border-radius: 8px; background: #fff0c9; color: #a32921; font-size: 13px; font-weight: 700; line-height: 1.35; }
.benefit-limit b { font-size: 34px; letter-spacing: -1px; padding: 0 6px; }
.benefit-claim p { margin: 0 14px; color: #fff8df; font-size: 12px; font-weight: 600; }
.benefit-controls { flex-shrink: 0; line-height: 1.5; }
.benefit-gift { top: 35px; }
@media (max-width: 1000px) {
  .benefit-claim { flex-wrap: wrap; }
  .benefit-claim p { flex: 0 0 100%; margin: 5px 0 0; width: 100%; }
}
@media (max-width: 700px) {
  .benefit-slot { max-width: calc(100% - 24px); }
  .benefit-float { max-width: none; top: auto; padding: 10px 12px; }
  .benefit-gift { top: 2px; left: 6px; }
  .benefit-title { min-height: 40px; }
  .benefit-tabs { margin-top: 7px; }
  .benefit-body { margin: 9px 0 7px; }
  .benefit-panel { padding: 9px 11px; font-size: 12px; }
  .benefit-card-head { flex-wrap: wrap; margin-bottom: 6px; }
  .benefit-card-head > span { font-size: 10px; margin-right: 7px; }
  .benefit-card-head > b { font-size: 15px; }
  .benefit-card-head > em { font-size: 10px; padding-left: 5px; }
  .benefit-limit { font-size: 12px; padding: 0 8px; }
  .benefit-limit b { font-size: 28px; }
  .benefit-bottom { padding-top: 6px; align-items: flex-start; }
  .benefit-claim p { font-size: 10px; }
  .benefit-rules-toggle { margin-top: 5px; font-size: 10px; }
}
@media (prefers-reduced-motion: reduce) { .benefit-track { transition: none; } }

/* 浮层内部随滚动收紧，占位仍使用完整展开高度。 */
.benefit-float { --benefit-open: 1; padding-top: calc(8px + 10px * var(--benefit-open)); padding-bottom: calc(6px + 6px * var(--benefit-open)); padding-left: calc(24px + 126px * var(--benefit-open)); }
.benefit-tabs { overflow: hidden; max-height: calc(64px * var(--benefit-open)); max-width: calc(460px * var(--benefit-open)); padding-top: calc(4px * var(--benefit-open)); padding-bottom: calc(4px * var(--benefit-open)); border-top-width: calc(1px * var(--benefit-open)); border-bottom-width: calc(1px * var(--benefit-open)); opacity: var(--benefit-open); }
.benefit-title h2 span { overflow: hidden; max-height: calc(20px * var(--benefit-open)); opacity: var(--benefit-open); }
.benefit-gift { opacity: var(--benefit-open); }
.benefit-body { margin-top: calc(5px + 7px * var(--benefit-open)); margin-bottom: calc(4px + 6px * var(--benefit-open)); }
.benefit-panel { padding-top: calc(5px + 7px * var(--benefit-open)); padding-bottom: calc(5px + 7px * var(--benefit-open)); }
.benefit-card-head { margin-bottom: calc(3px + 4px * var(--benefit-open)); }
.benefit-bottom { padding-top: 4px; }
.benefit-claim { flex-wrap: nowrap; white-space: nowrap; gap: 10px; }
.benefit-limit { padding: 0; border: 0; border-radius: 0; background: transparent; color: #fff0b7; }
.benefit-limit b { font-size: 26px; padding: 0 3px; }
.benefit-claim p { flex: 0 0 auto; width: auto; margin: 0; }
@media (max-width: 1000px) {
  .benefit-float { padding-left: calc(18px + 94px * var(--benefit-open)); }
  .benefit-bottom { flex-wrap: nowrap; }
  .benefit-claim { flex: 0 0 auto; }
  .benefit-controls { margin-left: 0; }
}
@media (max-width: 700px) {
  .benefit-float { padding: calc(6px + 4px * var(--benefit-open)) 10px 6px; }
  .benefit-title { min-height: calc(26px + 14px * var(--benefit-open)); padding-left: calc(58px * var(--benefit-open)); }
  .benefit-tabs { max-width: none; margin-top: calc(7px * var(--benefit-open)); padding-top: calc(3px * var(--benefit-open)); padding-bottom: calc(3px * var(--benefit-open)); }
  .benefit-panel { padding: calc(4px + 5px * var(--benefit-open)) 9px; }
  .benefit-claim { gap: 5px; }
  .benefit-limit { font-size: clamp(9px, 2.6vw, 12px); }
  .benefit-limit b { font-size: clamp(18px, 5.1vw, 24px); padding: 0 2px; }
  .benefit-claim p { font-size: clamp(8px, 2.3vw, 10px); letter-spacing: -.2px; }
  .benefit-rules-toggle { margin-top: 0; padding-top: 0; padding-bottom: 0; }
}

/* 名额、领取说明、规则入口组成连续一行，不把规则挤到下一行。 */
.benefit-bottom { justify-content: flex-start; align-items: center; gap: 6px; }
.benefit-claim { flex: 0 0 auto; gap: 5px; }
.benefit-rules-toggle { margin-left: 0; padding-left: 0; }
@media (max-width: 700px) {
  .benefit-title h2 { font-size: clamp(14px, 4.1vw, 17px); white-space: nowrap; }
  .benefit-bottom { gap: 4px; }
  .benefit-claim { gap: 3px; }
  .benefit-limit { font-size: clamp(8px, 2.3vw, 11px); }
  .benefit-limit b { font-size: clamp(17px, 4.8vw, 23px); }
  .benefit-claim p, .benefit-rules-toggle { font-size: clamp(8px, 2.65vw, 12px); letter-spacing: -.2px; }
}

@media (max-width: 700px) {
  .hero-app-scene { max-width: 270px; padding-top: 8px; padding-bottom: 30px; }
  .hero-art .art-label { bottom: 8px; right: 0; }
  .hero-art .orbit { width: 250px; height: 250px; left: 50%; top: 12px; margin-left: -125px; }
}

/* 名额与领取步骤分层，规则作为同一区域内的次要入口。 */
.benefit-bottom { position: relative; display: block; padding-top: calc(5px + 3px * var(--benefit-open)); }
.benefit-claim { display: flex; flex-direction: column; align-items: flex-start; gap: calc(2px + 2px * var(--benefit-open)); white-space: normal; }
.benefit-limit { color: #fff0b7; font-size: 13px; line-height: 1.1; }
.benefit-limit b { font-size: calc(25px + 5px * var(--benefit-open)); padding: 0 4px; letter-spacing: 0; }
.benefit-claim p { flex: none; width: auto; margin: 0; font-size: 12px; font-weight: 700; line-height: 1.5; letter-spacing: 0; color: #fff3df; white-space: nowrap; }
.benefit-controls { position: absolute; right: 0; top: calc(9px + 3px * var(--benefit-open)); margin: 0; }
.benefit-rules-toggle { margin: 0; padding: 3px 0 3px 8px; font-size: 12px; font-weight: 400; line-height: 1.5; letter-spacing: 0; color: #ffe6cb; }
@media (max-width: 700px) {
  .benefit-limit { font-size: 12px; }
  .benefit-limit b { font-size: calc(24px + 4px * var(--benefit-open)); }
  .benefit-claim p { font-size: 12px; }
  .benefit-rules-toggle { font-size: 11px; }
}

/* 模块引导标题保持清晰可读，与主标题形成层次。 */
.eyebrow { font-size: 20px; font-weight: 700; line-height: 1.5; letter-spacing: 1px; margin-bottom: 16px; color: #286795; }
.research-card .number { font-size: 15px; font-weight: 600; letter-spacing: 1px; }
@media (max-width: 700px) {
  .eyebrow { font-size: 18px; margin-bottom: 12px; }
  .research-card .number { font-size: 14px; }
}

.benefit-download { display: inline-flex; align-items: center; justify-content: center; gap: 6px; border: 0; font-family: inherit; cursor: pointer; }
.benefit-download svg { width: 17px; height: 17px; flex-shrink: 0; }
.benefit-download-android, .benefit-download-ios { display: none; }
.mobile-client .benefit-download-desktop { display: none; }
.android-client .benefit-download-android, .ios-client .benefit-download-ios { display: inline-flex; }
.benefit-download:disabled { opacity: .7; cursor: wait; }

.benefit-claim .benefit-contact { color: #ffe16b; font-weight: 700; }

/* 固定遮罩不参与页面布局，提示微信右上角的浏览器入口。 */
.ios-browser-guide[hidden] { display: none; }
.ios-browser-guide { position: fixed; inset: 0; top: 0; right: 0; bottom: 0; left: 0; z-index: 1000; padding: 58px 20px 20px; background: rgba(12, 31, 49, .7); overflow-y: auto; }
.ios-browser-guide-panel { position: relative; max-width: 360px; margin: 0 0 0 auto; padding: 24px; border-radius: 18px; background: #fff; color: #183b59; }
.ios-browser-guide-arrow { position: absolute; top: -62px; right: 12px; color: #fff; font-size: 56px; line-height: 1; }
.ios-browser-guide h2 { margin: 0 0 12px; font-size: 23px; letter-spacing: 0; }
.ios-browser-guide p { margin: 0 0 20px; font-size: 16px; }
.ios-browser-guide button { width: 100%; border: 0; border-radius: 10px; padding: 10px 16px; background: #0866b0; color: #fff; font: inherit; cursor: pointer; outline: none; }
.ios-browser-guide button:focus { outline: none; background: #064f89; }