/* 会议平台首页（2026-10-21）：沿用 styles.css 的按钮、表单、面板样式，这里只放平台页自己的布局。
   改版（同日「把这个导航放左侧，我的会议现在的卡片不好看」）：左侧深紫导航栏（和会议后台一致）+ 会议卡片重做。 */
.platform-body { min-height: 100vh; margin: 0; background: #f6f4fa; color: #241a33; font-size: 14px; }
.platform-loading { color: #6b6280; }

/* ---------------------------------------------------------------- 布局：左侧导航 + 右侧内容 */
.platform-shell { display: grid; grid-template-columns: 232px minmax(0, 1fr); min-height: 100vh; }
.platform-sidebar { position: sticky; top: 0; display: flex; flex-direction: column; gap: 20px; height: 100vh; padding: 22px 14px; box-sizing: border-box; color: #fff; background: #21163a; }
.platform-brand { display: flex; align-items: center; gap: 10px; padding: 0 8px; }
.platform-brand-mark { display: grid; width: 34px; height: 34px; place-items: center; border-radius: 9px; background: linear-gradient(135deg, #7d2ed0, #087b91); font-weight: 700; }
.platform-brand div { display: grid; gap: 2px; }
.platform-brand strong { font-size: 17px; }
.platform-brand div span { color: rgba(255, 255, 255, .5); font-size: 10px; letter-spacing: .12em; }
.platform-nav { display: grid; gap: 4px; align-content: start; }
.platform-nav a { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 8px; color: rgba(255, 255, 255, .72); text-decoration: none; }
.platform-nav a span { display: grid; width: 24px; height: 24px; place-items: center; border: 1px solid rgba(255, 255, 255, .2); border-radius: 6px; font-size: 11px; }
.platform-nav a:hover, .platform-nav a:focus-visible { color: #fff; background: rgba(255, 255, 255, .08); }
.platform-nav a.active { color: #fff; background: rgba(255, 255, 255, .13); font-weight: 600; }
.platform-nav a.active span { border-color: rgba(255, 255, 255, .5); background: rgba(255, 255, 255, .12); }
.platform-account { display: grid; gap: 10px; margin-top: auto; padding: 14px 8px 0; border-top: 1px solid rgba(255, 255, 255, .12); }
.platform-account-who { display: flex; align-items: center; gap: 10px; min-width: 0; }
.platform-account-who div { display: grid; gap: 4px; min-width: 0; }
.platform-account-who strong { overflow: hidden; font-size: 14px; text-overflow: ellipsis; white-space: nowrap; }
.platform-avatar { display: grid; flex: none; width: 32px; height: 32px; place-items: center; border-radius: 50%; background: #7d2ed0; font-weight: 600; }
.platform-badge { justify-self: start; padding: 1px 8px; border-radius: 999px; background: rgba(255, 255, 255, .14); color: #e9dcfb; font-size: 11px; }
.platform-logout { padding: 7px 10px; border: 1px solid rgba(255, 255, 255, .22); border-radius: 7px; background: transparent; color: rgba(255, 255, 255, .8); font-size: 13px; cursor: pointer; }
.platform-logout:hover { color: #fff; background: rgba(255, 255, 255, .08); }
.platform-main { width: 100%; max-width: 1800px; margin: 0 auto; padding: 30px clamp(20px, 2.4vw, 40px) 56px; box-sizing: border-box; }

/* 没登录：不显示侧栏，登录 / 注册框居中 */
.is-guest .platform-shell { grid-template-columns: 1fr; }
.is-guest .platform-sidebar { display: none; }
.platform-login { width: min(420px, 100%); margin: 48px auto; padding: 28px; border: 1px solid #e6dcf5; border-radius: 14px; background: #fff; display: grid; gap: 14px; box-sizing: border-box; }
.platform-login h1 { margin: 0; font-size: 22px; }
.platform-login p { margin: 0; color: #6b6280; }
.platform-login form { display: grid; gap: 12px; }
.platform-switch { font-size: 13px; }

/* ---------------------------------------------------------------- 标题区 */
.platform-section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 12px; margin-bottom: 18px; }
.platform-section-heading > div { display: grid; gap: 4px; }
.platform-section-heading h1 { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin: 0; font-size: 24px; }
.platform-section-heading small { color: #6b6280; }
.platform-empty { padding: 28px; border: 1px dashed #d8cbee; border-radius: 12px; background: #fff; color: #6b6280; text-align: center; }

/* ---------------------------------------------------------------- 会议卡片 */
.platform-conferences { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }
.platform-conference { position: relative; display: flex; flex-direction: column; gap: 14px; padding: 20px 20px 18px; overflow: hidden; border: 1px solid #e6dcf5; border-radius: 14px; background: #fff; box-shadow: 0 1px 2px rgba(40, 20, 80, .04); transition: box-shadow .15s ease, transform .15s ease, border-color .15s ease; }
.platform-conference::before { content: ''; position: absolute; inset: 0 0 auto; height: 4px; background: #7d2ed0; }
.platform-card-live::before { background: #1f9d55; }
.platform-card-ended::before, .platform-card-draft::before { background: #c9c2d6; }
.platform-conference:hover { border-color: #d3c1ef; box-shadow: 0 10px 28px rgba(40, 20, 80, .10); transform: translateY(-2px); }
.platform-card-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.platform-phase { padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.platform-phase-upcoming { background: #f0e6fb; color: #5b2a9c; }
.platform-phase-live { background: #e3f6ea; color: #1f7a42; }
.platform-phase-ended, .platform-phase-draft { background: #f1eff4; color: #6b6280; }
.platform-card-id { color: #9a93a8; font-size: 12px; font-variant-numeric: tabular-nums; }
.platform-card-title { display: -webkit-box; margin: 0; overflow: hidden; color: #1c1730; font-size: 17px; line-height: 1.45; -webkit-line-clamp: 2; -webkit-box-orient: vertical; min-height: 2.9em; }
.platform-card-meta { display: grid; gap: 8px; margin: 0; padding: 12px 14px; border-radius: 10px; background: #f8f6fb; }
.platform-card-meta div { display: grid; grid-template-columns: 36px minmax(0, 1fr); gap: 8px; align-items: baseline; }
.platform-card-meta dt { color: #9a93a8; font-size: 12px; }
.platform-card-meta dd { margin: 0; overflow: hidden; color: #3b3350; font-size: 13px; text-overflow: ellipsis; white-space: nowrap; }
.platform-card-muted { color: #9a93a8; }
.platform-card-warn { margin-left: 6px; padding: 0 6px; border-radius: 4px; background: #fde8e8; color: #a12a2a; font-size: 12px; font-style: normal; }
.platform-card-roles { display: flex; flex-wrap: wrap; gap: 6px; }
.platform-card-roles span { padding: 2px 8px; border-radius: 6px; background: #f3eefb; color: #5b2a9c; font-size: 12px; }
.platform-card-actions { display: flex; gap: 8px; margin-top: auto; }
.platform-card-actions .button { flex: 1; min-height: 36px; padding: 6px 12px; font-size: 14px; text-align: center; justify-content: center; }
.platform-card-assign { margin: -4px 0 0; color: #6b6280; font-size: 12px; }
.platform-card-assign summary { width: max-content; cursor: pointer; list-style: none; }
.platform-card-assign summary::-webkit-details-marker { display: none; }
.platform-card-assign summary::before { content: '⇄ '; }
.platform-card-assign summary:hover { color: #5b2a9c; }
.platform-card-assign select { width: 100%; margin-top: 8px; padding: 6px 8px; border: 1px solid #d8cbee; border-radius: 6px; font-size: 13px; }

/* ---------------------------------------------------------------- 面板、表单、表格（商户、审核、入驻） */
.platform-panel { margin-bottom: 16px; padding: 18px; border: 1px solid #e6dcf5; border-radius: 12px; background: #fff; }
.platform-panel h2 { margin: 0 0 12px; font-size: 16px; }
.platform-form { display: grid; gap: 12px; }
.platform-form h2 { margin: 0; }
.platform-form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.platform-span-2 { grid-column: span 2; }
.platform-form-actions { display: flex; justify-content: flex-end; gap: 8px; }
.platform-form .form-note, .platform-panel .form-note { margin: 0; color: #6b6280; font-size: 13px; }
.platform-status { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; background: #eee; color: #555; }
.platform-status-pending { background: #fff4d6; color: #8a5a00; }
.platform-status-approved { background: #e3f6ea; color: #1f7a42; }
.platform-status-rejected { background: #fde8e8; color: #a12a2a; }
.platform-status-disabled { background: #ececec; color: #666; }
.platform-merchant-card { display: grid; gap: 10px; }
/* 宽屏时商户卡片并排，不拉成一整条 */
.platform-merchant-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(380px, 1fr)); gap: 16px; align-items: start; }
.platform-merchant-grid > .platform-merchant-card { margin: 0; }
@media (max-width: 760px) { .platform-merchant-grid { grid-template-columns: 1fr; } }
/* 申请入驻（2026-10-21 改版）：左表单 + 右流程说明 */
.platform-apply-layout { display: grid; grid-template-columns: minmax(0, 760px) minmax(280px, 360px); gap: 20px; align-items: start; }
.platform-apply-form { gap: 0; padding: 0; overflow: hidden; }
.platform-apply-group { display: grid; gap: 14px; padding: 22px 24px; border-bottom: 1px solid #efe8f8; }
.platform-apply-group h2 { display: flex; align-items: center; gap: 10px; margin: 0; font-size: 16px; }
.platform-apply-group h2 span { display: grid; width: 24px; height: 24px; place-items: center; border-radius: 50%; background: #f0e6fb; color: #5b2a9c; font-size: 13px; }
.platform-apply-form .field small { color: #8a829a; font-size: 12px; text-align: left; }
.platform-apply-form .form-error { margin: 14px 24px 0; }
.platform-apply-submit { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 16px 24px; background: #fbf9fe; }
.platform-apply-submit span { color: #8a829a; font-size: 12px; }
.platform-apply-submit .button { min-width: 140px; }
.platform-apply-aside { display: grid; gap: 16px; }
.platform-apply-aside .platform-panel { margin: 0; padding: 20px 22px; }
.platform-apply-aside h2 { margin: 0 0 14px; font-size: 15px; }
.platform-apply-steps { display: grid; gap: 0; margin: 0; padding: 0; list-style: none; counter-reset: apply-step; }
.platform-apply-steps li { position: relative; display: grid; gap: 2px; padding: 0 0 18px 38px; counter-increment: apply-step; }
.platform-apply-steps li::before { content: counter(apply-step); position: absolute; top: 0; left: 0; display: grid; width: 24px; height: 24px; place-items: center; border-radius: 50%; background: linear-gradient(135deg, #5b21b6, #8c3bcc); color: #fff; font-size: 12px; font-weight: 700; }
.platform-apply-steps li:not(:last-child)::after { content: ''; position: absolute; top: 28px; bottom: 4px; left: 11.5px; width: 1px; background: #e0d4f2; }
.platform-apply-steps li:last-child { padding-bottom: 0; }
.platform-apply-steps strong { font-size: 14px; }
.platform-apply-steps span { color: #6b6280; font-size: 12px; }
.platform-apply-perks ul { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; }
.platform-apply-perks li { display: flex; align-items: center; gap: 12px; }
.platform-apply-perks b { flex: none; min-width: 44px; padding: 4px 0; border-radius: 8px; background: #f0e6fb; color: #5b2a9c; font-size: 13px; text-align: center; }
.platform-apply-perks span { color: #4a4258; font-size: 13px; }
.platform-apply-notice { display: flex; align-items: center; gap: 10px; margin: 0 0 16px; padding: 12px 16px; border: 1px solid #f3d9a4; border-radius: 10px; background: #fff8e8; color: #7a5410; font-size: 13px; }
.platform-apply-notice b { flex: none; padding: 2px 8px; border-radius: 999px; background: #f6c453; color: #5a3d00; font-size: 12px; }
@media (max-width: 1100px) {
  .platform-apply-layout { grid-template-columns: 1fr; }
  .platform-apply-form { max-width: none; }
}
@media (max-width: 760px) {
  .platform-apply-group { padding: 18px 16px; }
  .platform-apply-group .platform-form-grid { grid-template-columns: 1fr; }
  .platform-apply-group .platform-span-2 { grid-column: auto; }
  .platform-apply-submit { flex-direction: column; align-items: stretch; padding: 14px 16px; }
}
.platform-merchant-head { display: flex; align-items: center; gap: 10px; }
.platform-merchant-head h2 { margin: 0; }
.platform-conference-meta { display: grid; gap: 4px; color: #6b6280; font-size: 13px; }
.platform-conference-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.platform-conference-actions .button { min-height: 34px; padding: 6px 14px; font-size: 14px; }
.platform-note { margin: 0; color: #8a5a00; font-size: 13px; }
.platform-table-wrap { overflow-x: auto; }
.platform-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.platform-table th, .platform-table td { padding: 10px 8px; border-bottom: 1px solid #eee6f8; text-align: left; vertical-align: top; }
.platform-table th { color: #6b6280; font-weight: 600; font-size: 13px; }
.platform-table small, .platform-list small { display: block; margin-top: 2px; color: #6b6280; font-size: 12px; }
.platform-row-actions { display: flex; flex-wrap: wrap; gap: 6px; }
.platform-row-actions .button, .platform-table .button, .platform-list .button { min-height: 32px; padding: 4px 12px; font-size: 13px; }
[data-reject-box] { display: flex; gap: 6px; margin-top: 8px; }
[data-reject-box][hidden] { display: none; }
[data-reject-box] input { flex: 1; min-width: 160px; padding: 6px 8px; border: 1px solid #d8cbee; border-radius: 6px; font-size: 13px; }
.platform-chips { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.platform-chips button { padding: 6px 12px; border: 1px solid #d8cbee; border-radius: 999px; background: #fff; color: #4a3d63; font-size: 13px; cursor: pointer; }
.platform-chips button.active { border-color: #7a3ed0; background: #7a3ed0; color: #fff; }
.platform-check { display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
.platform-search { display: flex; align-items: flex-end; gap: 8px; margin-top: 14px; }
.platform-search .field { flex: 1; }
.platform-list { display: grid; gap: 8px; margin: 10px 0 0; padding: 0; list-style: none; }
.platform-list li { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 12px; border: 1px solid #eee6f8; border-radius: 8px; }
.platform-list em { color: #6b6280; font-style: normal; font-size: 13px; }

/* ---------------------------------------------------------------- 商户后台（2026-10-21 改版） */
.pm-page { display: grid; gap: 18px; }
.pm-hero { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; flex-wrap: wrap; padding: 22px 24px; border-radius: 16px; color: #fff; background: linear-gradient(120deg, #2b1655 0%, #4b0a91 60%, #6317b6 100%); }
.pm-hero-text { display: grid; gap: 6px; min-width: 0; }
.pm-hero h1 { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin: 0; font-size: 24px; }
.pm-hero p { margin: 0; color: rgba(255, 255, 255, .72); font-size: 13px; }
.pm-back { width: max-content; color: rgba(255, 255, 255, .75); font-size: 13px; text-decoration: none; }
.pm-back:hover { color: #fff; }
.pm-stats { display: flex; gap: 10px; flex-wrap: wrap; }
.pm-stats div { display: grid; gap: 2px; min-width: 76px; padding: 10px 14px; border-radius: 12px; background: rgba(255, 255, 255, .12); text-align: center; }
.pm-stats strong { font-size: 22px; line-height: 1.1; }
.pm-stats span { color: rgba(255, 255, 255, .75); font-size: 12px; }
.pm-grid { display: grid; grid-template-columns: minmax(260px, 340px) minmax(0, 1fr); gap: 18px; align-items: start; }
.pm-card { display: grid; gap: 14px; padding: 20px; border: 1px solid #e6dcf5; border-radius: 14px; background: #fff; box-shadow: 0 1px 2px rgba(40, 20, 80, .04); }
.pm-card-head { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; }
.pm-card-head h2 { margin: 0; font-size: 16px; }
.pm-card-head span { color: #9a93a8; font-size: 13px; }
.pm-card .form-note { margin: 0; color: #6b6280; font-size: 13px; line-height: 1.6; }
.pm-member-list, .pm-conference-list { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; }
.pm-member { display: grid; grid-template-columns: 38px minmax(120px, 1.1fr) minmax(140px, 1fr) auto auto; gap: 12px; align-items: center; padding: 12px 14px; border: 1px solid #eee6f8; border-radius: 12px; background: #fcfbfe; }
.pm-avatar { display: grid; width: 38px; height: 38px; place-items: center; border-radius: 50%; background: #efe6fb; color: #5b2a9c; font-weight: 700; }
.pm-member-who, .pm-member-contact { display: grid; gap: 2px; min-width: 0; }
.pm-member-who strong { display: flex; align-items: center; gap: 6px; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.pm-member small, .pm-member-contact span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pm-member small { color: #8a8398; font-size: 12px; }
.pm-tag { padding: 0 6px; border-radius: 4px; background: #efe6fb; color: #5b2a9c; font-size: 11px; font-style: normal; font-weight: 600; }
.pm-member-perms { display: flex; gap: 12px; flex-wrap: wrap; }
.pm-switch { position: relative; display: inline-flex; align-items: center; gap: 6px; color: #4a3d63; font-size: 13px; white-space: nowrap; cursor: pointer; }
.pm-switch input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.pm-switch-track { position: relative; width: 32px; height: 18px; border-radius: 999px; background: #d9d2e4; transition: background .15s ease; }
.pm-switch-track::after { content: ''; position: absolute; top: 2px; left: 2px; width: 14px; height: 14px; border-radius: 50%; background: #fff; box-shadow: 0 1px 2px rgba(0, 0, 0, .2); transition: transform .15s ease; }
.pm-switch input:checked + .pm-switch-track { background: #7d2ed0; }
.pm-switch input:checked + .pm-switch-track::after { transform: translateX(14px); }
.pm-switch input:focus-visible + .pm-switch-track { outline: 2px solid #7d2ed0; outline-offset: 2px; }
.pm-switch input:disabled + .pm-switch-track { opacity: .55; }
.pm-switch:has(input:disabled) { cursor: default; }
.pm-remove { padding: 6px 10px; border: 1px solid #ecdcdc; border-radius: 8px; background: #fff; color: #a12a2a; font-size: 13px; cursor: pointer; }
.pm-remove:hover { background: #fde8e8; }
.pm-search { display: flex; gap: 8px; }
.pm-search input { flex: 1; min-width: 0; padding: 9px 12px; border: 1px solid #d8cbee; border-radius: 9px; font-size: 14px; }
.pm-conference { display: grid; grid-template-columns: minmax(200px, 1.3fr) minmax(240px, 1.2fr) auto; gap: 14px; align-items: center; padding: 14px 16px; border: 1px solid #eee6f8; border-radius: 12px; }
.pm-conference-main { display: grid; gap: 6px; min-width: 0; }
.pm-conference-main strong { overflow: hidden; font-size: 15px; text-overflow: ellipsis; white-space: nowrap; }
.pm-conference-main a { color: #1c1730; text-decoration: none; }
.pm-conference-main a:hover { color: #5b2a9c; text-decoration: underline; }
.pm-conference-main small { display: flex; align-items: center; gap: 8px; color: #8a8398; font-size: 12px; }
.pm-usage { display: flex; gap: 6px; flex-wrap: wrap; }
.pm-usage-chip { padding: 2px 8px; border-radius: 6px; background: #f4f2f7; color: #9a93a8; font-size: 12px; }
.pm-usage-chip b { font-weight: 600; }
.pm-usage-chip.is-on { background: #eef4ff; color: #2b5ea8; }
.pm-usage-chip.is-warn { background: #fff4e5; color: #9a5b00; }
.pm-conference-actions { display: flex; gap: 8px; justify-content: flex-end; }
.pm-conference-actions .button { min-height: 34px; padding: 6px 14px; font-size: 13px; }
.pm-delete:not(:disabled) { border-color: #ecdcdc; color: #a12a2a; }
.pm-delete:not(:disabled):hover { background: #fde8e8; }
.pm-blocked { grid-column: 1 / -1; margin: -6px 0 0; color: #9a93a8; font-size: 12px; text-align: right; }
.pm-delete:disabled { border-color: #e8e4ef; background: #f4f2f7; color: #b7b0c4; cursor: not-allowed; box-shadow: none; }
@media (max-width: 1100px) {
  .pm-grid { grid-template-columns: 1fr; }
  .pm-member { grid-template-columns: 38px minmax(0, 1fr) auto; }
  .pm-member-contact { grid-column: 2 / 3; }
  .pm-member-perms { grid-column: 1 / -1; }
  .pm-conference { grid-template-columns: 1fr; }
  .pm-conference-actions { justify-content: flex-start; }
  .pm-blocked { text-align: left; }
}
@media (max-width: 760px) {
  .pm-hero { padding: 18px; }
  .pm-stats { display: grid; width: 100%; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 6px; }
  .pm-stats div { min-width: 0; padding: 8px 4px; }
  .pm-stats strong { font-size: 18px; }
  .pm-stats span { font-size: 11px; }
  .pm-search { flex-direction: column; }
  .pm-profile .platform-form-grid { grid-template-columns: 1fr; }
  .pm-profile .platform-span-2 { grid-column: auto; }
}

/* 商户后台选项卡（2026-10-21） */
.pm-tabs { display: flex; gap: 4px; margin: 0 0 -6px; border-bottom: 1px solid #e6dcf5; overflow-x: auto; }
.pm-tabs a { display: inline-flex; align-items: center; gap: 6px; padding: 10px 16px; border-bottom: 2px solid transparent; color: #6b6280; font-size: 15px; text-decoration: none; white-space: nowrap; }
.pm-tabs a:hover { color: #5b2a9c; }
.pm-tabs a.active { border-bottom-color: #7d2ed0; color: #3b1a72; font-weight: 600; }
.pm-tabs a span { min-width: 18px; padding: 0 6px; border-radius: 999px; background: #f0e6fb; color: #5b2a9c; font-size: 12px; text-align: center; }
.pm-profile { max-width: 640px; }
.pm-profile .platform-form-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.pm-profile .platform-span-2 { grid-column: span 2; }
.pm-members .pm-search { margin-bottom: 4px; }

/* 全部会议：卡片 / 列表切换（2026-10-21） */
.platform-heading-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.platform-layout-toggle { display: inline-flex; padding: 3px; border: 1px solid #e0d4f2; border-radius: 10px; background: #fff; }
.platform-layout-toggle a { display: inline-flex; align-items: center; gap: 5px; padding: 6px 12px; border-radius: 7px; color: #6b6280; font-size: 13px; text-decoration: none; }
.platform-layout-toggle a span { font-size: 13px; }
.platform-layout-toggle a:hover { color: #5b2a9c; }
.platform-layout-toggle a.active { background: #f0e6fb; color: #3b1a72; font-weight: 600; }
.platform-rows .pm-conference { position: relative; grid-template-columns: minmax(220px, 1.2fr) minmax(260px, 1.3fr) auto; background: #fff; }
.platform-rows .pm-conference::before { content: ''; position: absolute; inset: 10px auto 10px 0; width: 3px; border-radius: 0 3px 3px 0; background: #7d2ed0; }
.platform-rows .platform-row-live::before { background: #1f9d55; }
.platform-rows .platform-row-ended::before, .platform-rows .platform-row-draft::before { background: #c9c2d6; }
.platform-rows .pm-conference-main small { flex-wrap: wrap; }
.platform-rows .pm-tag { margin-left: 2px; }
.platform-row-info { display: grid; gap: 6px; min-width: 0; }
.platform-row-info small { overflow: hidden; color: #6b6280; font-size: 12px; text-overflow: ellipsis; white-space: nowrap; }
.pm-row-assign { grid-column: 1 / -1; margin: -6px 0 0; }
.pm-row-assign select { max-width: 360px; }
@media (max-width: 1100px) {
  .platform-rows .pm-conference { grid-template-columns: 1fr; }
}

/* 全部会议：视图切换和新建按钮并排；搜索栏（2026-10-21） */
.platform-section-heading > .platform-heading-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.platform-filter { display: grid; grid-template-columns: 110px minmax(160px, 1.3fr) 120px minmax(260px, 1.4fr) minmax(140px, 1fr) auto; gap: 10px; align-items: end; margin-bottom: 16px; padding: 14px 16px; border: 1px solid #e6dcf5; border-radius: 12px; background: #fff; }
.platform-filter-field { display: grid; gap: 4px; min-width: 0; }
.platform-filter-field > span:first-child { color: #6b6280; font-size: 12px; }
.platform-filter input { width: 100%; min-width: 0; box-sizing: border-box; padding: 7px 10px; border: 1px solid #d8cbee; border-radius: 8px; background: #fff; color: #241a33; font-size: 13px; }
.platform-filter input:focus { border-color: #7d2ed0; outline: none; box-shadow: 0 0 0 3px rgba(125, 46, 208, .12); }
.platform-filter-range { display: flex; align-items: center; gap: 6px; }
.platform-filter-range em { color: #9a93a8; font-size: 12px; font-style: normal; }
.platform-filter .button { min-height: 34px; padding: 6px 14px; font-size: 13px; }
@media (max-width: 1100px) {
  .platform-filter { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .platform-filter-dates { grid-column: 1 / -1; }
}

/* 个人中心 / 修改密码（2026-10-21） */
.platform-profile-hero { display: flex; align-items: center; gap: 18px; margin-bottom: 20px; padding: 22px 26px; border-radius: 16px; background: linear-gradient(120deg, #3b1a72, #6d28d9 60%, #8c3bcc); color: #fff; }
.platform-profile-avatar { display: grid; flex: none; width: 60px; height: 60px; place-items: center; border: 2px solid rgba(255, 255, 255, .5); border-radius: 50%; background: rgba(255, 255, 255, .16); font-size: 24px; font-weight: 700; }
.platform-profile-who { display: grid; flex: 1; gap: 4px; min-width: 0; }
.platform-profile-who strong { font-size: 20px; }
.platform-profile-who small { overflow: hidden; color: rgba(255, 255, 255, .78); font-size: 13px; text-overflow: ellipsis; white-space: nowrap; }
.platform-profile-badges { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 4px; }
.platform-profile-badges span { padding: 2px 10px; border-radius: 999px; background: rgba(255, 255, 255, .18); font-size: 12px; }
.platform-profile-stats { display: flex; gap: 10px; margin: 0; }
.platform-profile-stats div { min-width: 72px; padding: 8px 12px; border-radius: 12px; background: rgba(255, 255, 255, .14); text-align: center; }
.platform-profile-stats dt { color: rgba(255, 255, 255, .75); font-size: 12px; }
.platform-profile-stats dd { margin: 2px 0 0; font-size: 22px; font-weight: 700; }
.platform-profile-layout { display: grid; grid-template-columns: minmax(0, 760px) minmax(260px, 340px); gap: 20px; align-items: start; }
.platform-profile-form, .platform-password-form { gap: 14px; margin: 0; padding: 22px 24px; }
.platform-profile-form h2, .platform-profile-meta h2 { margin: 0; font-size: 16px; }
.platform-profile-form .field small, .platform-password-form .field small { color: #8a829a; font-size: 12px; text-align: left; }
.platform-profile-form input:disabled { background: #f6f3fa; color: #6b6280; }
.platform-profile-meta { display: grid; gap: 14px; margin: 0; padding: 20px 22px; }
.platform-profile-meta dl { display: grid; gap: 12px; margin: 0; }
.platform-profile-meta dl div { display: grid; gap: 2px; }
.platform-profile-meta dt { color: #8a829a; font-size: 12px; }
.platform-profile-meta dd { margin: 0; color: #241a33; font-size: 14px; }
.platform-profile-meta .button { justify-self: start; }
.platform-password-form { max-width: 520px; }
.platform-password-show { display: inline-flex; align-items: center; gap: 6px; color: #6b6280; font-size: 13px; cursor: pointer; }
@media (max-width: 1100px) { .platform-profile-layout { grid-template-columns: 1fr; } }
@media (max-width: 760px) {
  .platform-profile-hero { flex-wrap: wrap; padding: 18px; }
  .platform-profile-stats { width: 100%; }
  .platform-profile-stats div { flex: 1; }
  .platform-profile-form .platform-form-grid { grid-template-columns: 1fr; }
  .platform-profile-form .platform-span-2 { grid-column: auto; }
  .platform-profile-form, .platform-password-form { padding: 18px 16px; }
}

/* ---------------------------------------------------------------- 手机：侧栏变成顶部横条 */
@media (max-width: 760px) {
  .platform-shell { grid-template-columns: 1fr; }
  .platform-sidebar { position: static; flex-direction: row; flex-wrap: wrap; align-items: center; gap: 10px 14px; height: auto; padding: 12px 16px; }
  .platform-brand { padding: 0; }
  .platform-brand div span { display: none; }
  .platform-nav { display: flex; order: 3; width: 100%; gap: 4px; overflow-x: auto; }
  .platform-nav a { flex: none; padding: 8px 10px; }
  .platform-nav a span { display: none; }
  .platform-account { display: flex; align-items: center; gap: 10px; margin: 0 0 0 auto; padding: 0; border: 0; }
  .platform-account-who strong, .platform-badge { display: none; }
  .platform-main { padding: 20px 16px 40px; }
  .platform-section-heading { align-items: flex-start; flex-direction: column; }
  .platform-conferences { grid-template-columns: 1fr; }
  .platform-form-grid { grid-template-columns: 1fr; }
  .platform-span-2 { grid-column: auto; }
  .platform-search { flex-direction: column; align-items: stretch; }
}