.langshu-public{--ls-ink:#303b30;--ls-muted:#6c7565;--ls-line:#dfdfcf;--ls-paper:#f7f5ed;background:var(--ls-paper);color:var(--ls-ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}.langshu-public .public-card{max-width:820px;padding:28px 24px 110px}.langshu-public .panel{background:#fffef9;color:var(--ls-ink);border:1px solid var(--ls-line);border-radius:20px;padding:32px;margin:22px 0;box-shadow:none}.langshu-public .muted,.langshu-public footer{color:var(--ls-muted)}.langshu-public a{color:#526348}.langshu-public .button,.langshu-public button{min-height:46px;border-color:#cdd4c5;background:#f6f7ee;color:#3d5337;border-radius:10px}.langshu-public .button.primary,.langshu-public button.primary{background:#304b38;color:#fff;border-color:#304b38}.langshu-public .identity{padding:36px;background:#2b3d2d;color:#f6f3e7;border:0;border-radius:24px}.langshu-topline{display:flex;justify-content:space-between;gap:16px;font-size:12px;color:#d0d5bf;letter-spacing:.08em}.langshu-topline>span{color:#e3d3a6}.langshu-person{display:grid;grid-template-columns:minmax(0,1fr) 150px;gap:24px;align-items:center;margin:32px 0 28px}.langshu-person h1{font-size:40px;line-height:1.3;font-weight:500;letter-spacing:.04em;margin:0 0 20px;color:inherit}.langshu-person img{width:150px;height:186px;object-fit:cover;object-position:50% 32%;border-radius:70px 70px 12px 12px;filter:saturate(.8);border:1px solid #879579}.langshu-titles{font-size:16px;line-height:1.9;color:#e5e8d9;margin:0}.langshu-name-note{font-size:12px;color:#bdc8b4;margin:16px 0 0}.langshu-identity .langshu-heading{font-size:34px;line-height:1.5;font-weight:400;letter-spacing:.04em;color:#fff7dc;margin:22px 0 18px}.langshu-intro{font-size:15px;line-height:1.9;color:#d5dcc8;margin:0 0 28px}.langshu-hero-actions{display:flex;gap:12px;flex-wrap:wrap}.langshu-hero-actions .button{flex:1;white-space:nowrap;font-size:14px;justify-content:center}.langshu-hero-actions .button.primary{background:#e8d8a9;color:#30402d;border-color:#e8d8a9}.langshu-hero-actions .button:not(.primary){background:transparent;color:#e8ebdf;border-color:#7d8d71}.langshu-daily{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center;padding:32px 24px;margin:8px 0}.langshu-kicker{font-size:12px;letter-spacing:.08em;color:#72795f;margin:0 0 16px}.langshu-day{font-size:16px;margin:0;color:#46573e}.langshu-day strong{font-size:56px;font-weight:400;line-height:1.3;letter-spacing:-.04em;font-variant-numeric:tabular-nums}.langshu-daily .muted{font-size:11px;margin:10px 0 0}.langshu-daily-detail{padding-left:24px;border-left:1px solid #d4d9c9;font-size:12px;line-height:1.9}.langshu-daily-detail>*{display:block}.langshu-daily-detail strong{font-size:14px;font-weight:500;margin-bottom:8px}.langshu-daily-detail a{margin-top:12px;text-underline-offset:4px}.langshu-public .panel h2{font-size:27px;line-height:1.5;font-weight:500;letter-spacing:.02em;margin:0 0 18px}.langshu-game>p:not(.muted):not(.langshu-kicker),.langshu-about-lead{font-size:15px;line-height:1.95;color:#64705a}.langshu-game-facts{display:flex;gap:28px;border-block:1px solid #e1e3d6;margin:24px 0;padding:18px 0;font-size:12px;color:#6f765e}.langshu-game-facts b{font-weight:500;font-size:22px;color:#45553b;margin-right:7px}.langshu-game .button{width:100%;justify-content:space-between}.langshu-practices{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin:30px 0}.langshu-practices>div>*{display:block}.langshu-practices b{font-size:12px;color:#8c8d6a;font-weight:400;margin-bottom:12px}.langshu-practices strong{font-size:14px;font-weight:500;margin-bottom:10px}.langshu-practices span{font-size:12px;line-height:1.8;color:#7c816b}.langshu-mission{padding:24px;background:#f1f2e7;border-radius:12px}.langshu-mission h3,.langshu-values h3{font-size:13px;font-weight:500;color:#6c775c;margin:0 0 12px}.langshu-mission p{font-size:18px;line-height:1.9;margin:0;color:#4e613f}.langshu-values{padding-top:16px}.langshu-values summary{font-size:13px}.langshu-values p{line-height:1.9;font-size:14px}.langshu-course{border-top:1px solid #e0e3d6;padding:26px 0}.langshu-course:last-child{padding-bottom:0}.langshu-course-org{font-size:12px;color:#78846a;margin:0 0 12px}.langshu-course-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.langshu-course-heading h3{font-size:22px;font-weight:500;margin:0}.langshu-course-heading span{font-size:12px;color:#738065}.langshu-course>p:not(.langshu-course-org){font-size:14px;line-height:1.9;color:#6e775f}.langshu-course>a{display:flex;align-items:center;justify-content:space-between;min-height:48px;font-size:14px;text-decoration:none;font-weight:500}.langshu-course small{display:block;color:#8d917e;font-size:11px}.langshu-public .persona-quick button{font-size:13px;line-height:1.65;padding:12px 14px;white-space:normal;text-align:left}.langshu-public #answers{max-height:none;overflow:visible}.langshu-public .member-card-dock{background:#fffef8f5;border-color:#dce0d1}.langshu-public .member-card-dock a{color:#526348}.langshu-public .contact-grid{margin-top:32px}.langshu-public .member-create-card{background:#e9eddf;border-color:#d2dac9;color:#405639}.langshu-public .member-create-card small{color:#6c7b61}@media(max-width:560px){.langshu-public .public-card{padding:16px 16px 100px}.langshu-public .identity{padding:26px 22px;border-radius:20px}.langshu-person{grid-template-columns:minmax(0,1fr) 104px;gap:14px;margin:28px 0 24px}.langshu-person img{width:104px;height:148px}.langshu-person h1{font-size:29px;margin-bottom:14px;letter-spacing:0}.langshu-titles{font-size:13px}.langshu-name-note{font-size:10px;line-height:1.8;margin-top:10px}.langshu-topline{font-size:10px;letter-spacing:.03em}.langshu-identity .langshu-heading{font-size:26px}.langshu-intro{font-size:13px}.wide-only{display:none}.langshu-hero-actions{gap:8px}.langshu-hero-actions .button{font-size:12px;padding:12px 8px}.langshu-daily{gap:14px;padding:26px 6px}.langshu-daily-detail{padding-left:14px;font-size:11px}.langshu-daily-detail strong{font-size:12px}.langshu-day strong{font-size:44px}.langshu-kicker{font-size:10px;letter-spacing:0}.langshu-daily .muted{font-size:10px;line-height:1.8}.langshu-public .panel{padding:26px 22px;border-radius:18px}.langshu-public .panel h2{font-size:24px}.langshu-game-facts{gap:18px;font-size:11px}.langshu-game-facts b{font-size:21px;margin-right:4px}.langshu-practices{grid-template-columns:1fr;gap:20px}.langshu-practices>div{display:grid;grid-template-columns:28px 1fr;gap:6px 12px}.langshu-practices b{grid-row:span 2;margin:0}.langshu-practices strong{margin:0}.langshu-practices span{grid-column:2}.langshu-mission{padding:20px}.langshu-mission p{font-size:16px}.langshu-course-heading h3{font-size:20px}.langshu-course-heading span{font-size:11px}}

.langshu-product-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:24px}.langshu-product{padding:22px;border:1px solid #dfe4d5;border-radius:14px;background:#fffef9;display:flex;flex-direction:column;align-items:stretch}.langshu-product.featured{background:#eff2e6;border-color:#c7d3b7}.langshu-product-tag{font-size:11px;color:#758567}.langshu-product h3{font-size:21px;font-weight:500;line-height:1.4;margin:12px 0}.langshu-product>p:not([data-product-status]){font-size:13px;line-height:1.8;color:#6a765e;margin:0 0 20px;flex:1}.langshu-product .button{font-size:13px;min-height:46px;padding:12px}.langshu-public .langshu-copy-code{border:0;background:none;color:#5e7052;font-size:12px;text-align:left;padding:12px 0;min-height:44px;line-height:1.6;white-space:normal}.langshu-product [data-product-status]:empty{display:none}.langshu-product [data-product-status]{font-size:11px;line-height:1.7;margin:0;overflow-wrap:anywhere}.langshu-answer-products{display:grid;gap:12px;margin:20px 0}.langshu-answer-product{padding:18px;background:#eef1e4;border:1px solid #d3ddc4;border-radius:12px}.langshu-answer-product>.muted{font-size:13px;line-height:1.8;margin:0 0 12px}.langshu-answer-product .button{font-size:14px;min-height:46px}.langshu-answer-product p:last-child:empty{display:none}@media(max-width:560px){.langshu-product-grid{grid-template-columns:1fr;gap:12px}.langshu-product{padding:20px}.langshu-product h3{font-size:21px}.langshu-product .button,.langshu-answer-product .button{width:100%;justify-content:space-between}.langshu-answer-product{padding:16px}}

/* Course covers and learning paths, kept within the personal card's pine palette. */
.langshu-course-nav{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0}.langshu-course-nav a{display:inline-flex;align-items:center;justify-content:space-between;gap:20px;min-height:44px;padding:9px 14px;border:1px solid #cbd6c3;border-radius:9px;font-size:13px;text-decoration:none;background:#f1f4e9;color:#3e5a3d}
.langshu-course-list{display:grid;gap:18px}.langshu-public .langshu-course{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.25fr);gap:22px;align-items:start;padding:20px;background:#fffef9;border:1px solid #dce2d2;border-radius:14px;scroll-margin-top:24px;min-width:0}
.langshu-public .langshu-course-cover{display:block;min-height:0;overflow:hidden;border:1px solid #e0e3d6;border-radius:9px;background:#f1f2e7;line-height:0}.langshu-course-cover img{display:block;width:100%;height:auto;object-fit:contain}
.langshu-course-body{min-width:0}.langshu-course-format{display:inline-block;font-size:11px;color:#536d49;border-bottom:1px solid #cbd6bf;padding-bottom:4px;letter-spacing:.06em}.langshu-course-body h3{font-size:23px;font-weight:500;line-height:1.45;margin:10px 0 8px;overflow-wrap:anywhere}.langshu-course-body .langshu-course-teacher{font-size:12px;color:#536d49;margin:0 0 14px}.langshu-course-body>p{font-size:14px;line-height:1.85;color:#5c6a53;margin:12px 0}.langshu-course-fit{padding:12px 14px;background:#f0f3e8;border-radius:8px}.langshu-course-fit strong{display:block;font-size:11px;font-weight:500;color:#60744f;margin-bottom:5px}.langshu-course-body .button{display:flex;justify-content:space-between;align-items:center;font-size:14px;margin:18px 0 8px}.langshu-course-body small{font-size:11px;line-height:1.8;color:#64715a}.langshu-course-help{padding:20px 0 4px}.langshu-course-help p{font-size:14px;color:#536447;margin:0 0 8px}.langshu-course-help a,.langshu-public .langshu-course-help button{display:inline-flex;align-items:center;min-height:44px;padding:8px 0;margin-right:20px;border:0;border-radius:0;background:transparent;font-size:13px;font-weight:500;color:#3f6040;text-decoration:underline;text-underline-offset:5px}.langshu-course-note{font-size:12px;line-height:1.85;color:#68745b;margin:16px 0 0;border-top:1px solid #dfe4d6;padding-top:16px}
@media(max-width:620px){.langshu-public .langshu-course{grid-template-columns:minmax(0,1fr);gap:18px;padding:16px}.langshu-course-nav{gap:7px}.langshu-course-nav a{flex:1;padding:9px 8px;font-size:12px;gap:5px}.langshu-course-body h3{font-size:22px}.langshu-course-help a,.langshu-public .langshu-course-help button{margin-right:16px}}

.langshu-public #livestream{scroll-margin-top:24px}.langshu-channel{grid-column:1/-1;min-width:0;border:1px solid #cbd6c3;background:#fffef9;border-radius:14px}.langshu-channel summary{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:66px;padding:16px 20px;cursor:pointer;list-style:none;font-size:15px;font-weight:500;color:#36573e}.langshu-channel summary::-webkit-details-marker{display:none}.langshu-channel summary small{display:block;font-size:12px;font-weight:400;line-height:1.7;color:#69765e;margin-top:5px}.langshu-channel-toggle{font-size:24px;font-weight:400}.langshu-channel[open] .langshu-channel-toggle{transform:rotate(45deg)}.langshu-channel-content{border-top:1px solid #e0e6d8;padding:22px;text-align:center}.langshu-public .langshu-channel-image{display:block;width:min(100%,300px);margin:0 auto;background:#fff;border-radius:10px;line-height:0}.langshu-channel-image img{display:block;width:100%;height:auto;border-radius:10px}.langshu-channel-content p{font-size:12px;line-height:1.8;color:#586a50;margin:14px 0 0}.langshu-channel-content p strong{font-weight:500;user-select:text}.langshu-public .langshu-channel-original{display:inline-flex;align-items:center;min-height:44px;font-size:12px;margin-top:6px;text-underline-offset:4px}.langshu-channel summary:focus-visible{outline:2px solid #496c49;outline-offset:4px}@media(max-width:560px){.langshu-channel summary{padding:15px 16px;font-size:14px}.langshu-channel summary small{font-size:11px}.langshu-channel-content{padding:16px}}