.changbei-root{--changbei-text: #1a1a1a;--changbei-text-2: #4b5563;--changbei-bg: #faf9ff;--changbei-card: #ffffff;--changbei-border: #e5e7eb;--changbei-primary: #1e40af;font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Noto Sans SC,sans-serif;font-size:18px;line-height:1.8;color:var(--changbei-text);background:var(--changbei-bg);padding:24px 16px 64px}.dark .changbei-root{--changbei-text: #f5f5f5;--changbei-text-2: #d1d5db;--changbei-bg: #171717;--changbei-card: #262626;--changbei-border: #374151;color:var(--changbei-text);background:var(--changbei-bg)}.changbei-root h1{font-size:36px;font-weight:700;line-height:1.4;margin:0 0 16px}.changbei-root h2{font-size:30px;font-weight:700;line-height:1.4;margin:32px 0 16px}.changbei-root h3{font-size:24px;font-weight:700;line-height:1.4;margin:24px 0 12px}.changbei-root p{margin:0 0 20px;max-width:640px}.changbei-root .changbei-secondary{color:var(--changbei-text-2)}.changbei-root a{color:var(--changbei-primary);text-decoration:none;font-weight:700}.changbei-root em,.changbei-root i{font-style:normal;font-weight:700}.changbei-root .changbei-actions{display:flex;flex-wrap:wrap;gap:16px;margin:24px 0}.changbei-root .changbei-btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;min-width:48px;padding:12px 32px;border-radius:12px;font-size:18px;font-weight:700;cursor:pointer}.changbei-root .changbei-btn-primary{background:var(--changbei-primary);color:#fff}.dark .changbei-root .changbei-btn-primary{background:#60a5fa;color:#0f172a}.changbei-root .changbei-btn-ghost{background:transparent;color:var(--changbei-primary);border:2px solid var(--changbei-primary)}.changbei-root .changbei-done-badge{display:inline-flex;align-items:center;padding:2px 12px;border-radius:999px;background:var(--changbei-primary);color:#fff;font-size:16px;font-weight:700;white-space:nowrap}.changbei-root .changbei-done-badge[hidden]{display:none}.dark .changbei-root .changbei-done-badge{background:#60a5fa;color:#0f172a}.changbei-root .changbei-main{max-width:640px;margin:0 auto}.changbei-root .changbei-card{background:var(--changbei-card);border:1px solid var(--changbei-border);border-radius:20px;padding:28px;margin:24px 0;box-shadow:0 2px 10px #1e1b4b0f}.changbei-root .changbei-disclaimer{margin-top:36px;padding:22px 28px;background:var(--changbei-card);border:1px dashed var(--changbei-border);box-shadow:none;font-size:16px;line-height:1.8;color:var(--changbei-text-2)}.changbei-root .changbei-disclaimer p{margin:0 0 8px}.changbei-root .changbei-disclaimer p:last-child{margin-bottom:0}.changbei-root .changbei-disclaimer strong{color:var(--changbei-text)}.changbei-root .changbei-hero{margin:0 0 28px;padding:30px 28px;border-radius:24px;background:linear-gradient(135deg,#4f46e5,#6366f1 55%,#818cf8);color:#fff}.changbei-root .changbei-hero .changbei-hero-eyebrow{font-size:16px;font-weight:700;letter-spacing:3px;opacity:.92;margin:0 0 10px}.changbei-root .changbei-hero h1{margin:0 0 12px;color:#fff;font-size:38px}.changbei-root .changbei-hero p{color:#fffffff0;margin:0;max-width:none}.changbei-root .changbei-day-list{list-style:none;padding:0;margin:0;display:grid;gap:12px}.changbei-root .changbei-day-list li{border-bottom:none}.dark .changbei-root .changbei-day-list li{border-bottom-color:transparent}.changbei-root .changbei-day-list a{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:56px;padding:14px 18px;border:1px solid var(--changbei-border);border-radius:16px;background:var(--changbei-card);box-shadow:0 1px 6px #1e1b4b0d;transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease}.changbei-root .changbei-day-list a:hover{transform:translateY(-2px);border-color:#6366f1;box-shadow:0 6px 16px #1e1b4b1f}.changbei-root .changbei-day-list a>span:last-child{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:999px;background:#6366f11f;color:var(--changbei-primary);font-weight:700;flex-shrink:0}.changbei-root .changbei-hero{width:100%;height:auto;border-radius:16px;margin:0 0 24px}.changbei-root .changbei-prose ul,.changbei-root .changbei-prose ol{margin:0 0 20px;padding-left:28px}.changbei-root .changbei-prose ul{list-style:disc}.changbei-root .changbei-prose ol{list-style:decimal}.changbei-root .changbei-prose li{margin:0 0 12px;line-height:1.8}.changbei-root .changbei-prose img{max-width:100%;height:auto;border-radius:12px;margin:8px 0}.changbei-root .changbei-prose blockquote{margin:0 0 20px;padding:12px 20px;border-left:4px solid var(--changbei-primary);background:var(--changbei-card);border-radius:8px}.changbei-root .changbei-prose hr{border:none;border-top:2px solid var(--changbei-card);margin:32px 0}.changbei-root .changbei-prose h2{margin-top:40px}.changbei-root .changbei-week-hero{display:flex;align-items:center;gap:20px;margin:0 0 20px;padding:18px 22px;border-radius:20px;background:linear-gradient(135deg,#4f46e5,#6366f1);color:#fff}.changbei-root .changbei-week-num{font-size:56px;font-weight:800;line-height:1;letter-spacing:2px}.changbei-root .changbei-week-meta{display:flex;flex-direction:column;gap:6px}.changbei-root .changbei-week-stage{display:inline-block;padding:4px 14px;border-radius:999px;background:#fff3;font-size:16px;font-weight:700}.changbei-root .changbei-week-course{font-size:14px;opacity:.9}.changbei-root .changbei-prose h2{margin-top:48px;padding-bottom:10px;padding-left:14px;border-bottom:3px solid rgba(99,102,241,.35);border-left:6px solid #4f46e5;font-size:1.5em}.changbei-root .changbei-prose blockquote{margin:28px 0;padding:20px 22px;border:3px solid var(--changbei-primary, #4f46e5);border-radius:28px;background:#6366f10f;font-size:1.15em;line-height:2}.changbei-root .changbei-prose blockquote p{margin:10px 0}.changbei-root .changbei-prose blockquote h3{margin:4px 0 12px;font-size:1.3em}.changbei-root .changbei-prose blockquote h4{margin:16px 0 8px}.changbei-root .changbei-badge-img{display:block;width:280px;max-width:80%;height:auto;margin:24px auto 8px;border-radius:24px}.changbei-root .changbei-name-line{font-size:24px;font-weight:700;text-align:center;margin:12px 0 4px}.changbei-root .changbei-share-text{font-size:18px;line-height:1.8;padding:16px;border-radius:12px;background:var(--changbei-card);margin:8px 0 16px}