:root{--bg:#f7f9fc;--card:#fff;--text:#172033;--muted:#738096;--line:#e7ebf1;--soft:#f2f6fb;--primary:#4d7cfe;--primary2:#6f8eff;--success:#24a36a;--warning:#c98222;--shadow:0 16px 50px rgba(29,51,84,.08);--radius:22px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:linear-gradient(180deg,#fbfcfe 0,#f5f8fc 45%,#f8fafc 100%);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}.page-shell{min-height:100vh}.topbar{max-width:1120px;margin:0 auto;padding:24px 24px 8px;display:flex;align-items:center;justify-content:space-between}.logo{display:flex;align-items:center;gap:10px;color:var(--text);text-decoration:none;font-weight:750;letter-spacing:-.02em}.logo-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:11px;background:var(--primary);color:#fff;font-size:18px;box-shadow:0 8px 18px 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@media(max-width:680px){.mode-badge{width:100%;text-align:left}.card-redeem.card-only{display:grid;grid-template-columns:1fr}.card-redeem.card-only .primary{width:100%}.filter-note{grid-column:1/-1}}

.timeline-filters{grid-template-columns:150px 130px 1fr}
@media(max-width:800px){.timeline-filters{grid-template-columns:1fr 1fr}.filter-note{grid-column:1/-1}}
@media(max-width:620px){.timeline-filters{grid-template-columns:1fr}.filter-note{grid-column:auto}}

/* V4 · QQ 空间往年回忆式时间轴 */
.archive-panel{position:relative;margin-top:30px;padding-top:0;border-top:0;overflow:visible}
.archive-cover{position:relative;overflow:hidden;display:flex;align-items:center;justify-content:space-between;gap:28px;min-height:190px;padding:34px 38px;border:1px solid #e6edf7;border-radius:24px;background:linear-gradient(135deg,#f9fcff 0%,#eef6ff 46%,#f8fbff 100%);box-shadow:0 18px 45px rgba(55,91,138,.08)}
.archive-cover:before{content:"";position:absolute;width:280px;height:280px;border-radius:50%;right:-72px;top:-122px;background:rgba(91,148,255,.08);box-shadow:-130px 145px 0 20px rgba(255,255,255,.42)}
.archive-cover:after{content:"";position:absolute;left:36px;right:36px;bottom:23px;height:1px;background:linear-gradient(90deg,transparent,#cfdded 15%,#cfdded 85%,transparent)}
.archive-cover-copy{position:relative;z-index:1;max-width:660px}.archive-overline{font-size:10px;letter-spacing:.24em;color:#7995bd;font-weight:800}.archive-cover h3{margin:10px 0 10px;font-size:30px;letter-spacing:-.03em;color:#203a60}.archive-cover p{margin:0;color:#71849f;font-size:13px;line-height:1.75}.archive-cover-mark{position:relative;z-index:1;display:grid;place-items:center;flex:0 0 112px;width:112px;height:112px;border:1px solid rgba(113,155,212,.24);border-radius:50%;background:rgba(255,255,255,.72);box-shadow:0 13px 30px rgba(74,110,159,.08),inset 0 0 0 8px rgba(239,246,255,.75);color:#5279ad}.archive-cover-mark span{font-size:17px;margin-bottom:-7px}.archive-cover-mark b{font-size:22px;letter-spacing:.16em;margin-left:.16em}.archive-cover-mark small{font-size:8px;letter-spacing:.25em;margin-left:.25em;color:#9bb0cc}
.archive-toolbar{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;padding:30px 4px 14px}.archive-title h3{margin:6px 0 5px;font-size:23px}.archive-title p{margin:0;color:#8491a4;font-size:12px;line-height:1.7}
.archive-controls{display:grid;grid-template-columns:150px 130px 1fr;gap:10px;align-items:center;padding:12px;border:1px solid #e7edf5;background:#fbfdff;border-radius:16px}.archive-controls select{width:100%;border:1px solid #e4eaf2;background:#fff;color:#41516a;border-radius:11px;padding:10px 12px;font:inherit;font-size:12px;outline:none}.archive-controls select:focus{border-color:#a7bcde;box-shadow:0 0 0 3px rgba(87,130,190,.08)}.archive-private{justify-self:end;padding-right:4px;color:#93a0b2;font-size:11px}
.archive-year-strip-wrap{position:relative;margin:18px 0 20px}.archive-year-strip-wrap:after{content:"";position:absolute;right:0;top:0;bottom:8px;width:40px;pointer-events:none;background:linear-gradient(90deg,transparent,#fff)}.archive-year-strip{display:flex;gap:8px;overflow:auto;padding:2px 42px 8px 2px;scrollbar-width:thin;scrollbar-color:#dfe7f1 transparent}.year-chip{flex:0 0 auto;display:grid;gap:2px;min-width:78px;border:1px solid #e3eaf3;background:#fff;border-radius:13px;padding:9px 12px;text-align:left;color:#65768d;cursor:pointer;transition:.18s ease}.year-chip:hover{transform:translateY(-1px);border-color:#c9d7e9;background:#fbfdff}.year-chip b{font-size:13px;color:#40536e}.year-chip small{font-size:9px;color:#a0acbc}.year-chip.active{border-color:#a9c5ee;background:#eff6ff;box-shadow:0 7px 18px rgba(67,113,174,.1)}.year-chip.active b{color:#356cae}.year-chip.active small{color:#7597c1}
.archive-layout{position:relative;display:grid;grid-template-columns:34px 1fr;gap:14px}.archive-rail{position:relative;display:flex;align-items:center;flex-direction:column;padding-top:4px}.archive-rail i{width:1px;flex:1;min-height:160px;background:linear-gradient(180deg,#b9cdea 0,#dbe4ef 50%,#edf1f6 100%)}.rail-star{display:grid;place-items:center;width:26px;height:26px;border-radius:50%;background:#edf5ff;border:1px solid #cdddf1;color:#6f95c6;font-size:10px;box-shadow:0 0 0 5px #fff}.rail-end{display:grid;place-items:center;width:18px;height:18px;background:#fff;color:#a8b6c8;font-size:10px}
.archive-feed{min-width:0}.archive-year-block{margin:0 0 34px}.archive-year-head{display:flex;align-items:center;gap:12px;margin:0 0 17px}.archive-year-number{font-size:36px;font-weight:300;letter-spacing:-.05em;color:#5579a7;line-height:1}.archive-year-head>div:last-child{display:grid;gap:2px}.archive-year-head b{font-size:12px;color:#53637a}.archive-year-head span{font-size:10px;color:#9da8b7}.archive-year-content{display:grid;gap:24px}
.archive-month-block{position:relative}.archive-month-title{display:flex;align-items:center;gap:10px;margin-bottom:10px}.archive-month-title>span{font-weight:800;font-size:13px;color:#5e718b;white-space:nowrap}.archive-month-title i{height:1px;background:#e8edf3;flex:1}.archive-month-title small{font-size:9px;color:#a3adba;white-space:nowrap}
.archive-month-feed{display:grid;gap:9px}.memory-entry{position:relative;display:grid;grid-template-columns:70px 26px minmax(0,1fr);gap:10px}.memory-entry:before{content:"";position:absolute;left:82px;top:0;bottom:-10px;width:1px;background:#e5ebf2}.memory-entry:last-child:before{bottom:24px}.memory-date{text-align:right;padding:13px 4px 0 0;color:#8d99a9}.memory-date strong{display:block;font-size:18px;font-weight:500;line-height:1;color:#61728a}.memory-date span{display:block;margin-top:4px;font-size:9px}.memory-date small{display:block;margin-top:3px;font-size:9px;color:#a9b2bf}.memory-node{position:relative;z-index:1;display:flex;justify-content:center;padding-top:13px}.memory-node i{display:grid;place-items:center;width:22px;height:22px;border:4px solid #fff;border-radius:50%;background:#eaf2fd;color:#6589b7;font-size:8px;font-style:normal;box-shadow:0 0 0 1px #d6e2f0}.memory-card{min-width:0;border:1px solid #e6ebf2;background:#fff;border-radius:15px;padding:14px 16px;box-shadow:0 5px 18px rgba(45,67,96,.035);transition:.18s ease}.memory-card:hover{border-color:#d6e0ed;box-shadow:0 10px 26px rgba(45,67,96,.06);transform:translateY(-1px)}.memory-card-top{display:flex;align-items:center;gap:8px;min-width:0;margin-bottom:8px}.memory-type{display:inline-flex;align-items:center;gap:3px;flex:0 0 auto;padding:3px 8px;border-radius:999px;background:#f0f5fb;color:#57749a;font-size:10px;font-weight:800}.memory-sender{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:11px;font-weight:700;color:#52647c}.memory-card-top time{margin-left:auto;flex:0 0 auto;font-size:9px;color:#a8b1bd}.memory-text{white-space:pre-wrap;word-break:break-word;color:#2e3d52;font-size:13px;line-height:1.8}.memory-muted{color:#a1abb8;font-style:italic}.memory-images{display:grid;grid-template-columns:repeat(3,minmax(0,110px));gap:7px;margin-top:12px;max-width:344px}.memory-image{display:block;overflow:hidden;border-radius:9px;background:#f2f5f8;aspect-ratio:1/1;border:1px solid #edf0f4}.memory-image img{display:block;width:100%;height:100%;object-fit:cover;transition:.2s ease}.memory-image:hover img{transform:scale(1.025)}.memory-images.count-1{grid-template-columns:minmax(0,220px);max-width:220px}.memory-images.count-1 .memory-image{aspect-ratio:4/3}.memory-images.count-2{grid-template-columns:repeat(2,minmax(0,150px));max-width:307px}
.memory-type.type-shuoshuo,.memory-entry.type-shuoshuo .memory-node i{background:#edf5ff;color:#497bb7}.memory-type.type-share,.memory-entry.type-share .memory-node i{background:#eff8f4;color:#4c8a6d}.memory-type.type-like,.memory-entry.type-like .memory-node i{background:#fff1f4;color:#be6175}.memory-type.type-comment,.memory-entry.type-comment .memory-node i{background:#f5f1ff;color:#755fb2}.memory-type.type-message,.memory-entry.type-message .memory-node i{background:#fff7e9;color:#aa7a35}.memory-type.type-reply,.memory-entry.type-reply .memory-node i{background:#f0f7f8;color:#4f858b}.memory-type.type-visit,.memory-entry.type-visit .memory-node i{background:#f4f5f7;color:#727d8c}.memory-type.type-other,.memory-entry.type-other .memory-node i{background:#f4f5f7;color:#7b8490}
.archive-empty{display:grid;justify-items:center;gap:6px;margin:12px 0 22px;padding:62px 18px;border:1px dashed #dfe7f0;border-radius:18px;background:#fbfcfe}.archive-empty span{display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:#f0f6fd;color:#6f94c2}.archive-empty b{font-size:13px;color:#64758b}.archive-empty small{font-size:10px;color:#a0aab6}.archive-footer{margin-left:48px;padding:16px 0 0}
@media(max-width:800px){.archive-cover{padding:28px}.archive-cover h3{font-size:26px}.archive-cover-mark{flex-basis:94px;width:94px;height:94px}.archive-controls{grid-template-columns:1fr 1fr}.archive-private{grid-column:1/-1;justify-self:start}.archive-toolbar{display:block}.archive-toolbar .sort-switch{margin-top:14px}.memory-card-top time{display:none}}
@media(max-width:620px){.archive-cover{min-height:auto;padding:24px 20px}.archive-cover h3{font-size:24px}.archive-cover-mark{display:none}.archive-controls{grid-template-columns:1fr}.archive-private{grid-column:auto}.archive-layout{grid-template-columns:18px 1fr;gap:7px}.archive-rail{padding-top:1px}.rail-star{width:20px;height:20px;box-shadow:0 0 0 3px #fff}.archive-year-number{font-size:30px}.memory-entry{grid-template-columns:22px minmax(0,1fr);gap:7px}.memory-entry:before{left:10px}.memory-date{grid-column:2;text-align:left;padding:0 0 2px 0;display:flex;align-items:baseline;gap:6px}.memory-date strong{font-size:13px}.memory-date span,.memory-date small{display:inline;margin:0;font-size:9px}.memory-node{grid-column:1;grid-row:1/3;padding-top:3px}.memory-card{grid-column:2;padding:13px}.memory-card-top{flex-wrap:wrap}.memory-sender{max-width:180px}.memory-images{grid-template-columns:repeat(3,1fr);max-width:100%}.memory-images.count-1{max-width:100%;grid-template-columns:minmax(0,1fr)}.memory-images.count-2{max-width:100%;grid-template-columns:repeat(2,minmax(0,1fr))}.archive-footer{margin-left:25px}.archive-footer{align-items:flex-start;gap:8px}}
/* V4.2 user-facing card entry feedback */
#toast.show{display:block;animation:toast-in .18s ease both}
@keyframes toast-in{from{opacity:0;transform:translateX(-50%) translateY(12px)}to{opacity:1;transform:translateX(-50%) translateY(0)}}
.form-feedback{max-width:680px;min-height:22px;margin:8px auto 0;padding:0 4px;font-size:12px;line-height:1.6;color:#7b8798}
.form-feedback.error{color:#c24141}.form-feedback.success{color:#23835a}.form-feedback.pending{color:#526a9f}
.primary:disabled{cursor:not-allowed;opacity:.72;transform:none!important}.primary.loading{box-shadow:none}
.card-redeem.card-only{margin-top:18px}