:root{--fe-color-primary:#5a7fff;--fe-color-primary-soft:#e9efff;--fe-color-bg:#f4f8ff;--fe-color-card:#fff;--fe-color-border:#e6edff;--fe-color-text:#22324c;--fe-color-text-secondary:#6a7a96;--fe-color-success:#16a34a;--fe-color-warning:#d97706;--fe-color-danger:#dc2626;--fe-radius-control:8px;--fe-radius-card:14px;--fe-shadow-card:0 4px 24px #22324c0f}.fe-site-layout{background:var(--fe-color-bg);flex-direction:column;min-height:100vh;display:flex}.fe-site-layout__header{z-index:10;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--fe-color-border);background:#fffffff0;height:64px;position:sticky;top:0}.fe-site-layout__header-inner{align-items:center;gap:28px;max-width:1200px;height:100%;margin:0 auto;padding:0 24px;display:flex}.fe-site-layout__brand{color:var(--fe-color-text);flex-shrink:0;align-items:center;gap:10px;font-size:18px;font-weight:700;display:flex}.fe-site-layout__menu{flex:1;align-items:center;gap:4px;min-width:0;display:flex}.fe-site-layout__menu-link{color:var(--fe-color-text-secondary);border-radius:var(--fe-radius-control);padding:8px 14px;font-size:14px;transition:color .15s,background .15s}.fe-site-layout__menu-link:hover{color:var(--fe-color-primary);background:var(--fe-color-primary-soft)}.fe-site-layout__menu-link.is-active{color:var(--fe-color-primary);background:var(--fe-color-primary-soft);font-weight:600}.fe-site-layout__header-right{flex-shrink:0;align-items:center;gap:8px;margin-left:auto;display:flex}@media (width<=720px){.fe-site-layout__header-inner{gap:12px;padding:0 16px}.fe-site-layout__menu{gap:0;overflow-x:auto}.fe-site-layout__menu-link{white-space:nowrap;padding:8px 10px}.fe-site-user-nav__name{display:none}}.fe-site-layout__brand-mark{color:#fff;background:linear-gradient(135deg, var(--fe-color-primary), #7b9bff);border-radius:10px;place-items:center;width:32px;height:32px;font-size:13px;font-weight:700;display:grid}.fe-site-layout__nav{align-items:center;gap:20px;font-size:14px;display:flex}.fe-site-layout__nav a{color:var(--fe-color-text-secondary);transition:color .15s}.fe-site-layout__nav a:hover{color:var(--fe-color-primary)}.fe-site-user-nav{position:relative}.fe-site-user-nav__trigger{color:var(--fe-color-text);border-radius:var(--fe-radius-control);cursor:pointer;background:0 0;border:1px solid #0000;align-items:center;gap:8px;padding:6px 10px;font-size:14px;transition:background .15s,border-color .15s;display:flex}.fe-site-user-nav__trigger:hover{background:var(--fe-color-primary-soft);border-color:var(--fe-color-border)}.fe-site-user-nav__avatar{color:#fff;background:linear-gradient(135deg, var(--fe-color-primary), #7b9bff);border-radius:50%;place-items:center;width:28px;height:28px;font-size:12px;font-weight:700;display:grid;overflow:hidden}.fe-site-user-nav__avatar--lg{width:40px;height:40px;font-size:15px}.fe-site-user-nav__avatar-img{object-fit:cover;width:100%;height:100%}.fe-site-user-nav__name{text-overflow:ellipsis;white-space:nowrap;max-width:120px;font-weight:500;overflow:hidden}.fe-site-user-nav__caret{color:var(--fe-color-text-secondary);font-size:10px;transition:transform .15s}.fe-site-user-nav__caret.is-open{transform:rotate(180deg)}.fe-site-user-nav__menu{background:var(--fe-color-card);border:1px solid var(--fe-color-border);border-radius:var(--fe-radius-card);width:240px;box-shadow:var(--fe-shadow-card);padding:12px;position:absolute;top:calc(100% + 8px);right:0}.fe-site-user-nav__panel-head{border-bottom:1px solid var(--fe-color-border);align-items:center;gap:12px;padding:4px 4px 12px;display:flex}.fe-site-user-nav__panel-name{color:var(--fe-color-text);margin:0;font-size:14px;font-weight:600}.fe-site-user-nav__panel-email{color:var(--fe-color-text-secondary);word-break:break-all;margin:4px 0 0;font-size:12px}.fe-site-user-nav__panel-actions{flex-direction:column;gap:4px;padding-top:8px;display:flex}.fe-site-user-nav__action{text-align:left;width:100%;color:var(--fe-color-text);border-radius:var(--fe-radius-control);cursor:pointer;background:0 0;border:none;padding:10px 12px;font-size:14px;transition:background .15s,color .15s}.fe-site-user-nav__action:hover{color:var(--fe-color-primary);background:var(--fe-color-primary-soft)}.fe-site-user-nav__action--danger:hover{color:var(--fe-color-danger);background:#f56c6c1f}.fe-site-layout__main{flex:1}.fe-user-shell__body{flex:1;padding:28px 20px 48px}.fe-user-shell__panel{grid-template-columns:220px minmax(0,1fr);align-items:start;gap:20px;max-width:1080px;margin:0 auto;display:grid}@media (width<=860px){.fe-user-shell__panel{grid-template-columns:1fr}}.fe-user-shell__aside{background:var(--fe-color-card);border:1px solid var(--fe-color-border);border-radius:var(--fe-radius-card);box-shadow:var(--fe-shadow-card);flex-direction:column;gap:16px;padding:20px 16px;display:flex}.fe-user-shell__profile{border-bottom:1px solid var(--fe-color-border);align-items:center;gap:12px;padding:4px 4px 16px;display:flex}.fe-user-shell__profile-meta{min-width:0}.fe-user-shell__profile-name{color:var(--fe-color-text);text-overflow:ellipsis;white-space:nowrap;margin:0;font-size:15px;font-weight:600;overflow:hidden}.fe-user-shell__profile-email{color:var(--fe-color-text-secondary);text-overflow:ellipsis;white-space:nowrap;margin:4px 0 0;font-size:12px;overflow:hidden}.fe-user-shell__nav{flex-direction:column;gap:4px;display:flex}.fe-user-shell__link{color:var(--fe-color-text);border-radius:var(--fe-radius-control);padding:10px 14px;font-size:14px;transition:background .15s,color .15s;display:block}.fe-user-shell__link:hover{color:var(--fe-color-primary);background:var(--fe-color-primary-soft)}.fe-user-shell__link.is-active{color:var(--fe-color-primary);background:var(--fe-color-primary-soft);font-weight:600}.fe-user-shell__logout{text-align:left;color:var(--fe-color-danger);border-radius:var(--fe-radius-control);cursor:pointer;background:0 0;border:none;margin-top:4px;padding:10px 14px;font-size:14px;transition:background .15s}.fe-user-shell__logout:hover{background:#dc262614}.fe-user-shell__content{min-width:0}.fe-auth-page{place-items:center;min-height:calc(100vh - 64px);padding:40px 20px;display:grid}.fe-auth-card{width:100%;max-width:420px}.fe-auth-form{flex-direction:column;gap:16px;display:flex}.fe-auth-form__field{color:var(--fe-color-text);flex-direction:column;gap:6px;font-size:14px;display:flex}.fe-auth-form__field label{font-weight:500}.fe-auth-form__footer{flex-direction:column;gap:12px;margin-top:8px;display:flex}.fe-auth-form__link{text-align:center;color:var(--fe-color-text-secondary);font-size:13px}.frontend-home__hero{text-align:center;background:linear-gradient(180deg, #e9efff 0%, var(--fe-color-bg) 100%);padding:72px 32px 56px}.frontend-home__hero h1{color:var(--fe-color-text);margin:0 0 12px;font-size:36px;font-weight:700;line-height:1.25}.frontend-home__hero p{max-width:520px;color:var(--fe-color-text-secondary);margin:0 auto 28px;font-size:16px;line-height:1.6}.frontend-home__actions{flex-wrap:wrap;justify-content:center;gap:12px;display:flex}.frontend-home__features{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;max-width:1080px;margin:0 auto;padding:0 20px 64px;display:grid}.frontend-home__feature{padding:28px 24px}.frontend-home__feature h3{color:var(--fe-color-text);margin:0 0 8px;font-size:16px;font-weight:600}.frontend-home__feature p{color:var(--fe-color-text-secondary);margin:0;font-size:14px;line-height:1.6}.member-wallet{flex-direction:column;gap:20px;display:flex}.member-wallet .fe-alert{margin-bottom:20px}.member-wallet__stats{grid-template-columns:repeat(3,1fr);gap:16px;margin:0;display:grid}@media (width<=600px){.member-wallet__stats{grid-template-columns:1fr}}.member-wallet__stat{background:var(--fe-color-primary-soft);border-radius:var(--fe-radius-control);padding:16px 18px}.member-wallet__stat dt{color:var(--fe-color-text-secondary);margin:0;font-size:12px}.member-wallet__stat dd{color:var(--fe-color-text);margin:8px 0 0;font-size:22px;font-weight:700}.member-wallet__tabs{background:var(--fe-color-primary-soft);border-radius:var(--fe-radius-control);margin-bottom:16px;padding:4px;display:inline-flex}.member-wallet__tab{color:var(--fe-color-text-secondary);cursor:pointer;background:0 0;border:none;border-radius:6px;padding:8px 18px;font-size:14px;transition:background .15s,color .15s}.member-wallet__tab.is-active{color:var(--fe-color-primary);background:var(--fe-color-card);font-weight:600;box-shadow:0 1px 4px #22324c14}.member-wallet__list{margin:0;padding:0;list-style:none}.member-wallet__list li{border-bottom:1px solid var(--fe-color-border);grid-template-columns:1fr auto;gap:4px 16px;padding:14px 0;font-size:14px;display:grid}.member-wallet__list li:last-child{border-bottom:none}.member-wallet__list time{color:var(--fe-color-text-secondary);grid-column:1/-1;font-size:12px}.member-wallet__list strong{color:var(--fe-color-text);font-weight:600}.member-profile{flex-direction:column;gap:20px;display:flex}.member-profile__avatar-block{flex-direction:column;align-items:center;margin-bottom:24px;display:flex}.member-profile__avatar{width:96px;height:96px;color:var(--fe-color-primary);background:var(--fe-color-primary-soft);cursor:pointer;border-radius:50%;place-items:center;transition:box-shadow .15s;display:grid;position:relative;overflow:hidden}.member-profile__avatar:hover{box-shadow:0 0 0 3px #5a7fff40}.member-profile__avatar-img{object-fit:cover;width:100%;height:100%}.member-profile__avatar-text{font-size:32px;font-weight:700}.member-profile__avatar-tip{text-align:center;color:#fff;opacity:0;background:#22324c8c;place-items:center;padding:8px;font-size:12px;line-height:1.4;transition:opacity .15s;display:grid;position:absolute;inset:0}.member-profile__avatar:hover .member-profile__avatar-tip{opacity:1}.member-profile__avatar-name{color:var(--fe-color-text);margin:12px 0 0;font-size:15px;font-weight:600}.member-profile__form{max-width:480px;margin:0 auto}.member-profile__feedback{margin-bottom:16px}.member-profile__actions{flex-wrap:wrap;gap:12px;margin-top:8px;display:flex}.member-profile__loading{text-align:center;color:var(--fe-color-text-secondary);margin:0;padding:24px 0;font-size:14px}.member-profile__upload-bar{margin-bottom:16px}.member-profile__file-list{min-height:80px}.member-upload__grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px;margin:0;padding:0;list-style:none;display:grid}.member-upload__card{background:var(--fe-color-primary-soft);border-radius:var(--fe-radius-control);gap:12px;padding:12px;display:flex}.member-upload__thumb{background:var(--fe-color-card);cursor:pointer;border:none;border-radius:8px;flex-shrink:0;place-items:center;width:56px;height:56px;padding:0;display:grid;overflow:hidden}.member-upload__thumb img{object-fit:cover;width:100%;height:100%}.member-upload__ext{color:var(--fe-color-primary);font-size:11px;font-weight:700}.member-upload__meta{flex:1;min-width:0}.member-upload__name{color:var(--fe-color-text);text-overflow:ellipsis;white-space:nowrap;margin:0;font-size:13px;font-weight:600;overflow:hidden}.member-upload__sub{color:var(--fe-color-text-secondary);gap:8px;margin:4px 0 0;font-size:12px;display:flex}.member-upload__actions{flex-wrap:wrap;gap:8px;margin-top:8px;display:flex}.member-upload__actions .fe-button{height:32px;padding:0 12px;font-size:13px}.member-profile__info{gap:12px;margin-bottom:20px;display:grid}.member-profile__row{background:var(--fe-color-primary-soft);border-radius:var(--fe-radius-control);justify-content:space-between;align-items:center;padding:12px 16px;font-size:14px;display:flex}.member-profile__row span:first-child{color:var(--fe-color-text-secondary)}.member-profile__row span:last-child{color:var(--fe-color-text);font-weight:500}.member-upload{border-top:1px solid var(--fe-color-border);margin:20px 0;padding-top:20px}.member-upload h3{color:var(--fe-color-text);margin:0 0 12px;font-size:14px;font-weight:600}.member-upload__list{margin:12px 0 0;padding:0;list-style:none}.member-upload__list li{color:var(--fe-color-text);background:var(--fe-color-primary-soft);border-radius:var(--fe-radius-control);margin-top:6px;padding:8px 12px;font-size:13px}*{box-sizing:border-box}body{background:var(--fe-color-bg);min-width:320px;min-height:100vh;color:var(--fe-color-text);margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,PingFang SC,Microsoft YaHei,sans-serif}a{color:var(--fe-color-primary);text-decoration:none}.fe-card{background:var(--fe-color-card);border:1px solid var(--fe-color-border);border-radius:var(--fe-radius-card);box-shadow:var(--fe-shadow-card);padding:24px}.fe-card__header{justify-content:space-between;align-items:center;gap:16px;margin-bottom:16px;display:flex}.fe-card__header h2{color:var(--fe-color-text);margin:0;font-size:18px;font-weight:600;line-height:1.4}.fe-card__subtitle{color:var(--fe-color-text-secondary);margin:-8px 0 16px;font-size:14px;line-height:1.5}.fe-button{white-space:nowrap;border-radius:var(--fe-radius-control);cursor:pointer;border:1px solid #0000;flex-shrink:0;justify-content:center;align-items:center;min-height:38px;padding:0 18px;font-size:14px;font-weight:500;line-height:1;transition:opacity .15s,transform .1s,box-shadow .15s;display:inline-flex}.fe-button:active:not(:disabled){transform:scale(.98)}.fe-button:disabled{opacity:.55;cursor:not-allowed}.fe-button--primary{color:#fff;background:var(--fe-color-primary);box-shadow:0 2px 8px #5a7fff59}.fe-button--primary:hover:not(:disabled){box-shadow:0 4px 12px #5a7fff66}.fe-button--secondary{color:var(--fe-color-primary);background:var(--fe-color-primary-soft);border-color:var(--fe-color-border)}.fe-button--danger{color:#fff;background:var(--fe-color-danger)}.fe-button--ghost{color:var(--fe-color-text-secondary);border-color:var(--fe-color-border);background:0 0}.fe-button--ghost:hover:not(:disabled){color:var(--fe-color-primary);border-color:var(--fe-color-primary)}.fe-input{width:100%;height:42px;color:var(--fe-color-text);border:1px solid var(--fe-color-border);border-radius:var(--fe-radius-control);background:#f8faff;outline:none;padding:0 14px;font-size:14px;transition:border-color .15s,box-shadow .15s}.fe-input::placeholder{color:var(--fe-color-text-secondary);opacity:.7}.fe-input:focus{border-color:var(--fe-color-primary);box-shadow:0 0 0 3px #5a7fff1f}.fe-input:disabled{opacity:.6;cursor:not-allowed}.fe-alert{border-radius:var(--fe-radius-control);padding:12px 14px;font-size:14px;line-height:1.5}.fe-alert--info{color:var(--fe-color-text);background:var(--fe-color-primary-soft);border:1px solid var(--fe-color-border)}.fe-alert--success{color:var(--fe-color-success);background:#f0fdf4;border:1px solid #bbf7d0}.fe-alert--warning{color:var(--fe-color-warning);background:#fffbeb;border:1px solid #fde68a}.fe-alert--danger{color:var(--fe-color-danger);background:#fef2f2;border:1px solid #fecaca}.fe-empty{text-align:center;min-height:200px;color:var(--fe-color-text-secondary);flex-direction:column;justify-content:center;align-items:center;gap:12px;display:flex}.fe-empty__icon{width:56px;height:56px;color:var(--fe-color-primary);background:var(--fe-color-primary-soft);border-radius:50%;place-items:center;font-size:24px;display:grid}.fe-empty p{margin:0;font-size:14px}.common-state{text-align:center;background:var(--fe-color-bg);flex-direction:column;justify-content:center;align-items:center;min-height:100vh;padding:40px 20px;display:flex}.common-state__icon{width:80px;height:80px;color:var(--fe-color-primary);background:var(--fe-color-primary-soft);border-radius:20px;place-items:center;margin-bottom:20px;font-size:28px;font-weight:700;display:grid}.common-state__title{color:var(--fe-color-text);margin:0 0 8px;font-size:22px;font-weight:600}.common-state__desc{max-width:360px;color:var(--fe-color-text-secondary);margin:0 0 24px;font-size:14px;line-height:1.6}.common-state__actions{gap:12px;display:flex}.common-loading{min-height:200px;color:var(--fe-color-text-secondary);flex-direction:column;justify-content:center;align-items:center;gap:16px;display:flex}.common-loading__spinner{border:3px solid var(--fe-color-border);border-top-color:var(--fe-color-primary);border-radius:50%;width:36px;height:36px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}