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/* 2026-09-30：正面表达与品牌页眉，保留可读的详情条件。 */
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/* Keep the three brand values in one reading section with restrained accents. */
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.site-home .value-top .big-number{font-size:25px;color:#7599aa}
.site-home .value-top svg{width:40px;height:40px}
.site-home .value-grid h3{font-size:23px}
.site-system #course-paper .course-label{background:none;color:#2b6078}
.overview .site-footer{border-bottom:0}
@media(max-width:760px){.site-home .value-section{padding-block:34px}.site-home .value-grid{gap:0}.site-home .value-grid article{padding:20px 0}.site-home .value-top{margin-bottom:10px}}

/* Two editorial opening posters; live text and local vector artwork. */
.page-poster{background:linear-gradient(120deg,#eef8fc 0%,#f7fbfc 64%,#fff4de 100%);border-bottom:1px solid #dce8ec;overflow:hidden}
.page-poster .poster-layout{display:grid;grid-template-columns:1.05fr 1fr;gap:35px;align-items:center;padding-top:58px;padding-bottom:52px;min-height:600px}
.page-poster h1{font-size:clamp(38px,4.5vw,58px);line-height:1.32;letter-spacing:-.035em;color:#244f65;margin:0 0 24px;font-weight:700}
.page-poster h1 em{font-style:normal;color:#98642d}
.page-poster .poster-description{font-size:17px;line-height:1.95;color:#537384;margin:0;max-width:510px}
.page-poster .poster-nav{display:flex;flex-wrap:wrap;gap:12px 24px;margin-top:25px;font-size:13px;color:#51778c}
.page-poster .poster-nav a{text-underline-offset:5px}
.page-poster .poster-art{margin:0;min-width:0}
.page-poster .poster-art svg{display:block;width:100%;height:auto;font-family:-apple-system,BlinkMacSystemFont,'PingFang SC',sans-serif}
.page-poster figcaption{font-size:13px;letter-spacing:.03em;color:#62808c;text-align:center;margin:4px 0 0}
/* Opening-poster art carries the page message (pillars, routes, experience); SVG labels need room on phones. */
.home-poster-art svg{display:block;width:100%;height:auto;font-family:-apple-system,BlinkMacSystemFont,'PingFang SC',sans-serif;filter:drop-shadow(0 18px 16px #062c4922)}
.poster-about{background:linear-gradient(120deg,#eef7f8 0%,#fafbf6 65%,#fff4df 100%)}
.price-overview{background:#fff;padding:62px 0 42px;scroll-margin-top:110px}
.price-overview .section-heading{margin-bottom:28px}
.price-overview h2{font-size:34px;line-height:1.5;color:#245875;margin:0 0 15px}
.price-overview .section-description{font-size:16px;line-height:1.85;color:#5c7784;margin:0}
.course-price-table{width:100%;border-collapse:collapse;table-layout:fixed;font-size:15px;line-height:1.8;color:#365665}
.course-price-table .name-col{width:27%}.course-price-table .price-col{width:24%}.course-price-table .assurance-col{width:49%}
.course-price-table th,.course-price-table td{padding:19px 20px;text-align:left;vertical-align:top;border-bottom:1px solid #e0e9ed;overflow-wrap:anywhere}
.course-price-table thead th{background:#edf5f8;color:#345f73;font-size:13px;font-weight:600;border-top:2px solid #6d9fb5}
.course-price-table tbody th{font-weight:600;color:#245f7c}
.course-price-table th a{text-decoration:none}.course-price-table th a:hover{text-decoration:underline;text-underline-offset:4px}
.course-price-table td:nth-child(2){color:#906027;font-variant-numeric:tabular-nums}
.course-price-table td>span{display:block}
.course-price-table .assurance-link{display:block;color:#37748f;font-size:12px;text-underline-offset:4px;margin-top:5px}
.course-price-table .price-trial{background:#fbfcfc;color:#70828b;font-size:13px}
.course-price-table .price-trial td:nth-child(2){color:#657d87}
.price-overview .price-table-note{font-size:12px;line-height:1.9;color:#6e8490;margin:17px 0 0}
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:760px){
 .page-poster .poster-layout{grid-template-columns:1fr;gap:15px;padding-top:36px;padding-bottom:28px;min-height:0}
 .page-poster h1{font-size:38px;line-height:1.32;margin-bottom:18px}
 .page-poster .poster-description{font-size:15px;line-height:1.85}.poster-desktop-break{display:none}
 .page-poster .site-hero-actions{margin-top:23px;gap:15px}.page-poster .poster-nav{margin-top:20px;font-size:12px;gap:12px 23px}
 .page-poster .poster-art{width:calc(100% + 24px);max-width:430px;margin:6px -12px 0}.page-poster figcaption{font-size:11px;margin-top:4px}
 .site-home .hero-visual.home-poster-art{width:calc(100% + 24px);max-width:430px;margin:20px -12px 0}
 .price-overview{padding:38px 0 28px}.price-overview h2{font-size:27px}.price-overview .section-description{font-size:14px}
 .course-price-table{font-size:13px;line-height:1.8}.course-price-table th,.course-price-table td{padding:15px 8px}
 .course-price-table .name-col{width:27%}.course-price-table .price-col{width:28%}.course-price-table .assurance-col{width:45%}
 .course-price-table thead th{font-size:12px}.course-price-table .price-trial{font-size:12px}.course-price-table .assurance-link{font-size:11px}
}
@media(min-width:761px) and (max-width:900px){.page-poster .poster-layout{grid-template-columns:1fr;min-height:0;gap:26px}.page-poster .poster-art{width:100%;max-width:560px;margin:0 auto}.poster-desktop-break{display:none}}
@media(max-width:350px){.page-poster h1{font-size:33px}.course-price-table th,.course-price-table td{padding:13px 6px}.course-price-table{font-size:12px}}
/* 课程咨询：问小布 + 课程顾问企业微信（2026-10-01） */
.site-advisor .advisor-intro h1 span{color:#98642d}
.advisor-main{display:grid;grid-template-columns:1.15fr .85fr;gap:26px;align-items:start;padding-bottom:26px}
.advisor-card{background:#fff;border:1px solid #d9e8ef;border-radius:18px;padding:32px 32px 30px;box-shadow:0 18px 40px #0f3a5510}
.advisor-card h2{font-size:28px;line-height:1.45;color:#245875;margin:6px 0 20px}
.advisor-card>p{font-size:15px;line-height:1.9;color:#557180;margin:0 0 18px}
.advisor-kicker{display:inline-block;margin:0;font-size:13px;font-weight:700;letter-spacing:.08em;color:#c0620f;background:#fff3e2;border-radius:99px;padding:5px 12px}
.advisor-human .advisor-kicker{color:#1f8a80;background:#e6f6f3}
.advisor-steps{list-style:none;counter-reset:s;margin:0 0 24px;padding:0;display:grid;gap:14px}
.advisor-steps li{counter-increment:s;position:relative;padding-left:44px;display:grid;gap:2px}
.advisor-steps li:before{content:counter(s);position:absolute;left:0;top:1px;width:30px;height:30px;border-radius:50%;background:#e8f3fb;color:#1f6fa3;font-weight:700;display:grid;place-items:center;font-size:14px}
.advisor-steps strong{font-size:16px;color:#244f65}.advisor-steps span{font-size:14px;line-height:1.75;color:#5f7a88}
.advisor-note{font-size:12.5px!important;line-height:1.8;color:#7a8e98!important;margin:10px 0 0!important}
.advisor-questions{margin-top:26px;border-top:1px dashed #cfe0e8;padding-top:22px}
.advisor-questions h3{font-size:17px;color:#244f65;margin:0 0 12px}
.advisor-questions ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.advisor-questions li{font-size:14.5px;line-height:1.7;color:#3f5f6f;background:#f4f9fc;border-radius:12px 12px 12px 3px;padding:10px 14px}
.advisor-qr{margin:6px 0 0;text-align:center;background:linear-gradient(180deg,#fff7ea,#fff);border:1px solid #f2dcb8;border-radius:16px;padding:20px 16px 14px}
.advisor-qr img{width:min(244px,100%);height:auto;display:block;margin:0 auto;border-radius:8px}
.advisor-qr figcaption{font-size:14px;font-weight:600;color:#8a5a22;margin-top:10px}
.advisor-more{padding:6px 0 60px}
/* 创始人：硬核履历与 Kaggle 含金量 */
.founder-pro-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:8px}
.founder-pro{background:#fff;border:1px solid #d9e8ef;border-radius:18px;padding:26px 24px;display:flex;flex-direction:column}
.founder-pro-head{display:flex;gap:16px;align-items:center}
.founder-pro-head img{width:74px;height:74px;border-radius:50%;object-fit:cover;background:#e8f3fb;flex:none}
.founder-pro h3{font-size:22px;color:#1f4b62;margin:0}
.founder-pro-role{font-size:13px;line-height:1.6;color:#2b7bb0;font-weight:600;margin:4px 0 0}
.founder-pro-stats{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:20px 0 18px}
.founder-pro-stats div{background:#f3f9fc;border-radius:12px;padding:12px 12px 11px}
.founder-pro-stats dt{font-size:19px;font-weight:800;color:#c0620f;letter-spacing:-.01em;line-height:1.3}
.founder-pro-stats dd{margin:4px 0 0;font-size:12.5px;line-height:1.6;color:#5c7784}
.founder-pro-summary{font-size:15.5px;line-height:1.8;font-weight:600;color:#244f65;margin:0 0 10px}
.founder-pro-bio p{font-size:14px;line-height:1.85;color:#5a7482;margin:0 0 8px}
.kaggle-note{margin:22px 0 10px;background:linear-gradient(120deg,#eef8fc,#fff7ea);border:1px solid #dce9ee;border-radius:16px;padding:20px 24px}
.kaggle-note h4{font-size:16px;color:#1f4b62;margin:0 0 8px}
.kaggle-note p{font-size:14px;line-height:1.9;color:#4f6c7b;margin:0}
.kaggle-note .kaggle-note-proof{margin-top:8px;font-weight:600;color:#8a5a22}
.mentor-backgrounds{display:grid;gap:6px;margin:6px 0 22px;padding:16px 20px;border-left:4px solid #e59a3c;background:#fffaf2;border-radius:0 12px 12px 0}
.mentor-backgrounds p{margin:0;font-size:14px;line-height:1.85;color:#4f6c7b}
.mentor-backgrounds strong{color:#244f65;margin-right:10px}
.mentor-bio strong,.mentor .bio strong{color:#1f4b62;font-weight:700}
/* 课程插图 */
.course-art{margin:0 0 18px;border-radius:14px;overflow:hidden;background:#eef7fc}
.course-art img{display:block;width:100%;height:auto}
.trial-section article .course-art{margin-bottom:14px}
@media(max-width:1000px){.founder-pro-grid{grid-template-columns:1fr}.advisor-main{grid-template-columns:1fr}}
@media(max-width:760px){.advisor-card{padding:24px 20px}.advisor-card h2{font-size:23px}.founder-pro{padding:22px 18px}.founder-pro-stats dt{font-size:17px}.kaggle-note{padding:18px}.mentor-backgrounds{padding:14px 16px}.mentor-backgrounds p{font-size:13px}}
.founder-pro-stats dt.stat-medal{white-space:nowrap;font-size:17px}
@media(max-width:350px){.founder-pro-stats dt.stat-medal{font-size:15px}}
.site-card-actions .site-link[data-purchase]{font-weight:600;color:#c0620f}