.help-page{min-height:100%;background:var(--bg,#f4f5f8);padding-bottom:calc(88px + env(safe-area-inset-bottom))}.help-content{padding:14px 16px 28px;max-width:760px;margin:0 auto}.help-intro{padding:8px 4px 14px}.help-intro h2{margin:0 0 5px;font-size:17px;color:var(--label,#1d1d1f)}.help-intro p{margin:0;color:var(--label2,#8b8d95);font-size:12px;line-height:1.6}.help-card{overflow:hidden;margin:0 0 9px;border-radius:15px;background:var(--card,#fff);box-shadow:0 2px 9px rgba(28,42,75,.045)}.help-question{display:flex;width:100%;min-height:48px;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px;border:0;background:transparent;color:var(--label,#24262b);text-align:left;font-size:14px;font-weight:650;cursor:pointer}.help-question:focus-visible,.help-link:focus-visible,.help-media-zoom:focus-visible{outline:2px solid #6486ff;outline-offset:2px}.help-question-mark{display:grid;place-items:center;width:22px;height:22px;flex:none;border-radius:50%;background:#f2f5ff;color:#6685f5;font-size:13px;transition:transform .2s}.help-card.open .help-question-mark{transform:rotate(180deg)}.help-answer{padding:0 14px 14px;color:var(--label2,#747984);font-size:12.5px;line-height:1.75;white-space:pre-line;overflow-wrap:anywhere}.help-answer-text{margin:1px 0 10px}.help-media{display:block;max-width:100%;max-height:380px;margin:8px auto 10px;border-radius:11px;background:#f1f3f7;object-fit:contain}.help-image-button{display:block;width:100%;padding:0;border:0;background:none;cursor:zoom-in}.help-image-button .help-media{width:100%}.help-video-wrap{position:relative}.help-video-wrap video{width:100%;max-height:380px}.help-media-zoom{display:block;margin:0 0 10px auto;padding:5px 10px;border:0;border-radius:999px;background:#edf2ff;color:#5278f6;font-size:11px;cursor:pointer}.help-link{display:inline-flex;align-items:center;gap:6px;margin-top:3px;padding:7px 11px;border-radius:999px;background:#eef3ff;color:#5278f6;text-decoration:none;font-weight:600}.help-empty{padding:54px 18px;text-align:center;color:var(--label2,#8b8d95)}.help-empty-icon{display:grid;place-items:center;width:48px;height:48px;margin:0 auto 12px;border-radius:16px;background:#eaf0ff;color:#5b7ff5;font-size:24px}.help-empty strong{display:block;margin-bottom:6px;color:var(--label,#24262b);font-size:14px}.help-viewer{position:fixed;inset:0;z-index:1500;display:grid;place-items:center;padding:22px;background:rgba(9,14,25,.88);backdrop-filter:blur(8px)}.help-viewer-content{position:relative;display:grid;place-items:center;width:min(100%,1000px);max-height:100%;}.help-viewer img,.help-viewer video{max-width:100%;max-height:calc(100vh - 70px);border-radius:12px;object-fit:contain;background:#080a0e}.help-viewer-close{position:absolute;top:-42px;right:0;width:36px;height:36px;border:1px solid #ffffff55;border-radius:50%;background:#ffffff1c;color:#fff;font-size:24px;cursor:pointer}.help-loading{padding:32px;text-align:center;color:#8a8e98;font-size:13px}@media(min-width:760px){.help-content{padding-top:22px}.help-card{margin-bottom:12px}.help-question{min-height:54px;padding:14px 18px}.help-answer{padding:0 18px 18px;font-size:13px}}


/* 帮助卡片下拉样式 / Help accordion card styling */
.help-card{margin-bottom:12px;border:1px solid var(--sep-soft);border-radius:16px;background:linear-gradient(180deg,var(--card),color-mix(in srgb,var(--card) 96%,var(--blue)));box-shadow:0 4px 14px rgba(26,42,73,.08)}.help-card.open{border-color:color-mix(in srgb,var(--blue) 24%,var(--sep-soft));box-shadow:0 6px 18px rgba(26,42,73,.1)}.help-question{min-height:54px;padding:14px 15px}.help-card.open .help-question{border-bottom:1px solid var(--sep-soft)}.help-answer{padding:13px 15px 16px;background:var(--card-soft)}.help-answer-text{margin:0 0 12px}