/* 设置页与全站偏好。默认外观保留「同频俱乐部」的蓝黄配色。 */
:root{--text-scale:1;--surface:#fff;--surface-soft:#f5f8ff;--settings-muted:#8291ad;--settings-border:#e4ebf7}
.avatar{overflow:hidden}.avatar img{width:100%;height:100%;object-fit:cover;display:block}.large-avatar{width:82px;height:82px;font-size:32px!important;flex-shrink:0}.settings-entry{color:#7c90b6}.profile-buttons{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}.secondary-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--settings-border);border-radius:7px;padding:10px 15px;font-size:calc(12px * var(--text-scale));background:var(--surface);color:var(--ink)}.secondary-button .icon{width:16px;height:16px}.quiet-button{font-size:calc(11px * var(--text-scale));padding:0;color:var(--blue)}.visually-hidden{position:absolute;clip-path:inset(50%);width:1px;height:1px;overflow:hidden;white-space:nowrap}.visually-hidden:focus-visible+.avatar-upload{outline:2px solid var(--blue)}
.settings-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 0 28px}.settings-heading h1{font-size:calc(29px * var(--text-scale));margin:12px 0;letter-spacing:-.5px}.settings-heading h1>span{font-size:28px;color:#c5ad11;margin-left:14px;display:inline-block;transform:rotate(13deg)}.settings-heading p{font-size:calc(12px * var(--text-scale));color:var(--settings-muted);margin:0;line-height:1.8}.settings-back{display:flex;align-items:center;gap:8px;color:var(--settings-muted);font-size:calc(11px * var(--text-scale));white-space:nowrap}.settings-back .icon{width:15px;height:15px}.settings-shell{display:grid;grid-template-columns:210px minmax(0,1fr);gap:22px;align-items:start}.settings-nav{background:var(--surface);border:1px solid var(--settings-border);border-radius:13px;padding:11px;display:grid;gap:7px}.settings-nav>a{display:flex;align-items:center;gap:10px;border-radius:8px;padding:16px 12px;color:var(--settings-muted)}.settings-nav>a[aria-current]{background:var(--surface-soft);color:var(--blue)}.settings-nav strong{font-size:calc(12px * var(--text-scale));font-weight:600;display:block}.settings-nav small{font-size:calc(9px * var(--text-scale));color:var(--settings-muted);display:block;margin-top:7px;line-height:1.5}.settings-nav b{margin-left:auto;font-size:18px;font-weight:400}.settings-nav .icon{width:19px;height:19px}.settings-local{border-top:1px solid var(--line);display:flex;align-items:flex-start;gap:8px;margin:14px 9px 0;padding:19px 0 6px;color:var(--settings-muted)}.settings-local .icon{color:#b9a354;width:16px;height:16px}.settings-local p{font-size:calc(10px * var(--text-scale));line-height:1.9;margin:0}.settings-local small{font-size:calc(9px * var(--text-scale));margin:0}.settings-panel{background:var(--surface);border:1px solid var(--settings-border);border-radius:14px;padding:28px;min-width:0}.settings-panel-heading{border-bottom:1px solid var(--line);padding-bottom:21px;margin-bottom:25px}.settings-panel-heading h2{font-size:calc(20px * var(--text-scale));margin:0 0 9px}.settings-panel-heading p{font-size:calc(11px * var(--text-scale));color:var(--settings-muted);margin:0;line-height:1.8}.profile-settings-grid{display:grid;grid-template-columns:minmax(0,1fr) 220px;gap:30px}.avatar-editor{display:flex;align-items:center;gap:20px;margin-bottom:23px}.avatar-upload{cursor:pointer}.avatar-upload:has(+input:focus-visible){outline:3px solid #8eacff;outline-offset:3px}.setting-help{font-size:calc(10px * var(--text-scale));color:var(--settings-muted);line-height:1.8}.avatar-picks{border:0;padding:0;margin:0 0 26px;display:flex;gap:9px;flex-wrap:wrap}.avatar-picks legend{font-size:calc(10px * var(--text-scale));color:var(--settings-muted);padding:0;margin-bottom:12px}.avatar-choice{width:37px;height:37px;display:grid;place-items:center;border-radius:50%;font-size:20px;border:2px solid transparent;background:var(--surface-soft)}.avatar-choice[aria-pressed=true]{border-color:var(--blue);box-shadow:0 0 0 3px var(--surface-soft)}.choice-0{background:#e3f0dc}.choice-1{background:#fff5c7}.choice-2{background:#e8e0ff}.choice-3{background:#ffe6ce}.choice-4{background:#f4e6d8}.choice-5{background:#dce9ff}.settings-panel .form-field{font-size:calc(12px * var(--text-scale))}.settings-panel textarea{min-height:100px}.settings-panel .form-field input,.settings-panel .form-field textarea,.settings-panel .form-field select{font-size:calc(12px * var(--text-scale))}.identity-preview{position:relative;background:var(--surface-soft);border:1px solid var(--settings-border);border-radius:12px;padding:25px 20px;text-align:center;overflow:hidden;align-self:start}.identity-preview>.eyebrow{font-size:8px;letter-spacing:1.5px}.identity-preview .large-avatar{margin-top:27px}.identity-preview h3{font-size:calc(19px * var(--text-scale));margin:14px 0 10px;overflow-wrap:anywhere}.identity-school{font-size:calc(10px * var(--text-scale));color:var(--settings-muted);line-height:1.8;overflow-wrap:anywhere}.identity-preview p{font-size:calc(11px * var(--text-scale));color:var(--settings-muted);line-height:1.9;margin:17px 0;white-space:pre-wrap;overflow-wrap:anywhere}.verification-pill{display:inline-block;padding:6px 9px;border:1px solid var(--settings-border);background:var(--surface);border-radius:20px;font-size:calc(9px * var(--text-scale));color:var(--settings-muted);white-space:normal;line-height:1.5}.identity-preview-note{border-top:1px dashed var(--settings-border);padding-top:20px;margin-top:25px;font-size:calc(9px * var(--text-scale));line-height:1.9;color:var(--settings-muted);position:relative;z-index:1}.identity-spark{position:absolute;bottom:-21px;right:-11px;font-size:90px;color:#dfe8ff;transform:rotate(8deg);opacity:.6}.settings-save{display:flex;justify-content:space-between;align-items:center;gap:18px;border-top:1px solid var(--line);padding-top:22px;margin-top:25px}.settings-save>span{font-size:calc(10px * var(--text-scale));line-height:1.8;color:var(--settings-muted)}
.verification-banner{display:flex;align-items:center;gap:17px;border-radius:10px;background:var(--surface-soft);padding:20px}.verification-banner>.icon{width:33px;height:33px;color:var(--blue)}.verification-banner>div{flex:1;min-width:0}.verification-banner strong{font-size:calc(14px * var(--text-scale));line-height:1.7}.verification-banner p{font-size:calc(10px * var(--text-scale));line-height:1.8;color:var(--settings-muted);margin:7px 0 0}.verification-steps{list-style:none;padding:25px 0;margin:10px 0 16px;display:flex;justify-content:space-between;gap:15px}.verification-steps li{font-size:calc(11px * var(--text-scale));color:var(--settings-muted);display:flex;align-items:center;gap:9px}.verification-steps li>span{display:grid;place-items:center;background:var(--surface-soft);width:27px;height:27px;border-radius:50%;flex-shrink:0}.verification-steps li.done{color:var(--blue)}.verification-steps li.done>span{background:var(--blue);color:white}.check-row{display:flex;align-items:flex-start;gap:8px;font-size:calc(11px * var(--text-scale));color:var(--settings-muted);line-height:1.8}.check-row input{accent-color:var(--blue);margin-top:4px}.verification-summary h3{font-size:calc(15px * var(--text-scale))}.verification-summary dl{display:grid;grid-template-columns:110px minmax(0,1fr);gap:17px;font-size:calc(12px * var(--text-scale));line-height:1.8}.verification-summary dt{color:var(--settings-muted)}.verification-summary dd{margin:0;overflow-wrap:anywhere}
.setting-group{border:0;padding:0;margin:0 0 28px;min-width:0}.setting-group legend{padding:0;margin-bottom:17px;font-size:calc(13px * var(--text-scale));font-weight:600}.setting-group legend small{color:var(--settings-muted);font-size:calc(9px * var(--text-scale));font-weight:400;margin-left:10px}.setting-group output{font-size:calc(11px * var(--text-scale));color:var(--blue);margin-left:16px}.theme-options{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.theme-option{border:1px solid var(--settings-border);padding:10px;border-radius:9px;cursor:pointer;position:relative;min-width:0}.theme-option:has(input:checked){border:2px solid var(--blue);padding:9px;background:var(--surface-soft)}.theme-option>input{position:absolute;right:13px;bottom:14px;accent-color:var(--blue)}.theme-mini{display:block;background:#eef3ff;border-radius:5px;height:86px;position:relative;overflow:hidden;border:1px solid #e3eaf7}.theme-mini i{position:absolute;left:0;top:0;width:100%;height:15px;background:white}.theme-mini b{position:absolute;left:8px;top:24px;width:27px;height:48px;border-radius:3px;background:#d6e2ff}.theme-mini em{position:absolute;left:43px;right:8px;top:24px;height:48px;border-radius:3px;background:white}.theme-mini>span{position:absolute;right:20px;top:31px;color:#b8c8e9;font-size:27px}.theme-mini.dark{background:#151e30;border-color:#26324b}.theme-mini.dark i{background:#2b374e}.theme-mini.dark b{background:#395480}.theme-mini.dark em{background:#26354d}.theme-mini.system{background:linear-gradient(90deg,#edf3ff 50%,#151e30 50%)}.theme-mini.system i{background:linear-gradient(90deg,#fff 50%,#2b374e 50%)}.theme-mini.system em{background:linear-gradient(90deg,#fff 30%,#26354d 30%)}.theme-option>strong{display:block;font-size:calc(11px * var(--text-scale));font-weight:500;margin:13px 23px 3px 1px}.accent-options{display:flex;flex-wrap:wrap;gap:14px}.accent-options>label{display:flex;align-items:center;gap:9px;border:1px solid var(--settings-border);border-radius:7px;padding:10px 13px;cursor:pointer;font-size:calc(11px * var(--text-scale))}.accent-options input{accent-color:var(--blue);margin:0}.accent-options>label:has(input:checked){background:var(--surface-soft);border-color:var(--blue)}.accent-swatch{display:block;width:16px;height:16px;border-radius:50%}.accent-blue{background:#3159f5}.accent-violet{background:#7953d5}.accent-green{background:#238369}.segmented-options{display:grid;grid-template-columns:1fr 1fr;gap:14px}.segmented-options label{position:relative;border:1px solid var(--settings-border);border-radius:8px;padding:15px;cursor:pointer;min-width:0}.segmented-options input{position:absolute;right:13px;top:15px;accent-color:var(--blue)}.segmented-options label:has(input:checked){border-color:var(--blue);background:var(--surface-soft)}.segmented-options strong{display:block;font-size:calc(12px * var(--text-scale));padding-right:25px;font-weight:500}.segmented-options small{display:block;font-size:calc(10px * var(--text-scale));line-height:1.8;color:var(--settings-muted);margin-top:7px}.switch-row{border-top:1px solid var(--line);padding-top:22px;display:flex;align-items:center;justify-content:space-between;gap:20px;cursor:pointer}.switch-row strong{display:block;font-size:calc(12px * var(--text-scale));font-weight:500}.switch-row small{display:block;font-size:calc(10px * var(--text-scale));line-height:1.8;color:var(--settings-muted);margin-top:8px}.switch-row input{appearance:none;width:40px;height:23px;background:#dce4f3;border-radius:15px;position:relative;flex-shrink:0;cursor:pointer;border:0}.switch-row input:before{content:"";position:absolute;width:17px;height:17px;background:white;border-radius:50%;left:3px;top:3px;transition:transform .2s}.switch-row input:checked{background:var(--blue)}.switch-row input:checked:before{transform:translateX(17px)}.font-size-slider{width:100%;accent-color:var(--blue);cursor:pointer}.range-labels{display:flex;justify-content:space-between;color:var(--settings-muted);font-size:calc(10px * var(--text-scale));margin-top:11px}.reading-preview{border:1px solid var(--settings-border);border-radius:10px;background:var(--surface-soft);padding:23px}.reading-preview h3{font-size:calc(18px * var(--text-scale));margin:16px 0 10px}.reading-preview p{font-size:calc(13px * var(--text-scale));color:var(--settings-muted);line-height:1.9;margin:0 0 17px}
/* 全站外观：覆盖原型中的固定浅色表面，不对图片使用反色。 */
html[data-theme=dark]{color-scheme:dark;--bg:#111827;--surface:#1a2436;--surface-soft:#222f46;--ink:#e4ebf6;--muted:#a6b4cd;--line:#2d3b53;--settings-muted:#a6b4cd;--settings-border:#34435d;background:var(--bg)}
html[data-theme=dark] body{background:var(--bg);color:var(--ink)}
html[data-theme=dark] :is(.topbar,.circle-strip,.feed-panel,.panel,.modal-header,dialog,.circle-card,.sidebar nav,.settings-nav,.settings-panel){background:var(--surface);border-color:var(--line);color:var(--ink)}
html[data-theme=dark] :is(.search,.form-field input,.form-field textarea,.form-field select,.comment-form input,.profile-stats,.notice,.results-summary,.post-badge,.post-tags button,.post-tags>span,.modal-header .icon-button){background:var(--surface-soft);border-color:var(--settings-border);color:var(--ink)}
html[data-theme=dark] :is(.sidebar nav a,.post-excerpt,.post-time,.post-meta,.post-byline .author-info,.post-footer button,.detail-content,.comment p,.form-hint,.post-tags button,.trend small,.feed-end,.circle-card p,.profile-card p,.notice p,.section-heading a,.market-mini small,.hero-copy p,.hero-labels){color:var(--settings-muted)}
html[data-theme=dark] .sidebar nav a.active{background:var(--blue);color:#fff}
html[data-theme=dark] :is(.hero h1,.create-promo h2){color:var(--ink)}
html[data-theme=dark] .hero h1>span{color:#8cafff}
html[data-theme=dark] .hero h1>span:after{opacity:.45}
html[data-theme=dark] .hero-art{border-radius:16px}
html[data-theme=dark] .hero-art img{mix-blend-mode:normal;opacity:.78}
html[data-theme=dark] .mini-circle{color:#1c2a44}
html[data-theme=dark] .create-promo{background:#243754;border-color:var(--line)}
html[data-theme=dark] .promo-symbol{color:#344f77}
html[data-theme=dark] .post-footer button.selected,html[data-theme=dark] .detail-actions button.selected{color:#9bb8ff}
html[data-theme=dark] .detail-actions button{border-color:var(--settings-border);color:var(--settings-muted)}
html[data-theme=dark] .detail-actions .selected{background:var(--surface-soft)}
html[data-theme=dark] .join-button.joined{background:#e5eaf1;color:#536784}
html[data-theme=dark] .form-error{background:#492a35;color:#ffc0c0}
html[data-font=serif]{font-family:"Songti SC",SimSun,Georgia,serif}
html[data-spacing=relaxed] :is(.post-excerpt,.detail-content,.comment p,.reading-preview p,.identity-preview p){line-height:2.3}
html[data-density=compact] .post-card{padding-top:13px;padding-bottom:13px}
html[data-density=compact] .post-excerpt{-webkit-line-clamp:2}
html[data-density=compact] .circle-strip{padding-top:14px;padding-bottom:14px}
html[data-density=compact] .post-media{height:100px}
html[data-motion=reduced] *,html[data-motion=reduced] *:before,html[data-motion=reduced] *:after{transition:none!important;animation:none!important;scroll-behavior:auto!important}
@media(max-width:1150px){.settings-shell{grid-template-columns:180px minmax(0,1fr);gap:18px}.settings-nav{padding:8px}.settings-nav>a{padding:15px 9px;gap:8px}.settings-nav small{font-size:calc(8px * var(--text-scale))}.settings-panel{padding:23px}.profile-settings-grid{grid-template-columns:minmax(0,1fr)}.identity-preview{display:none}.verification-banner>.verification-pill{display:none}}
@media(max-width:1000px){.settings-heading h1{font-size:calc(23px * var(--text-scale))}.settings-back{display:none}.settings-shell{grid-template-columns:1fr}.settings-nav{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:5px}.settings-nav a{justify-content:center;padding:13px 8px;gap:7px}.settings-nav a small,.settings-nav a b,.settings-local{display:none}.settings-nav strong{font-size:calc(11px * var(--text-scale))}.settings-nav .icon{width:16px;height:16px}.settings-panel{padding:25px}.profile-settings-grid{grid-template-columns:minmax(0,1fr) 200px;gap:20px}.identity-preview{display:block;padding:22px 15px}}
@media(max-width:760px){.topbar{gap:8px}.settings-entry{width:28px;height:30px}.settings-entry .icon{width:18px;height:18px}.sidebar nav a{min-width:0;padding:8px 6px;font-size:calc(8px * var(--text-scale))}.sidebar nav{gap:0}.settings-heading{padding:12px 0 22px}.settings-heading h1{font-size:calc(21px * var(--text-scale));line-height:1.5;margin:10px 0}.settings-heading h1>span{font-size:20px;margin-left:6px}.settings-heading p{font-size:calc(11px * var(--text-scale))}.settings-heading .eyebrow{font-size:7px;letter-spacing:1px}.settings-nav{gap:2px;padding:7px}.settings-nav a{padding:10px 2px;flex-direction:column;gap:7px}.settings-nav strong{font-size:calc(10px * var(--text-scale));text-align:center}.settings-panel{padding:20px 17px}.settings-panel-heading{padding-bottom:17px;margin-bottom:22px}.settings-panel-heading h2{font-size:calc(18px * var(--text-scale))}.profile-settings-grid{grid-template-columns:1fr}.identity-preview{display:none}.avatar-editor{gap:17px}.large-avatar{width:70px;height:70px}.settings-save{align-items:flex-start;gap:12px;flex-direction:column}.settings-save>button{align-self:flex-end}.settings-save>span{font-size:calc(10px * var(--text-scale))}.theme-options{gap:7px}.theme-option{padding:6px}.theme-option:has(input:checked){padding:5px}.theme-option>strong{font-size:calc(9px * var(--text-scale));margin-right:16px;line-height:1.6}.theme-option>input{right:4px;bottom:10px;width:12px;height:12px}.theme-mini{height:65px}.theme-mini i{height:12px}.theme-mini b{left:5px;top:19px;width:15px;height:36px}.theme-mini em{left:26px;right:5px;top:19px;height:36px}.theme-mini>span{font-size:20px;right:10px;top:24px}.accent-options{gap:7px}.accent-options>label{padding:9px 7px;gap:5px;font-size:calc(10px * var(--text-scale))}.accent-options input{width:11px;height:11px}.accent-swatch{width:12px;height:12px}.segmented-options{gap:10px}.segmented-options label{padding:13px 10px}.segmented-options input{right:7px;top:12px}.segmented-options small{font-size:calc(9px * var(--text-scale))}.verification-steps{gap:10px}.verification-steps li{flex-direction:column;font-size:calc(9px * var(--text-scale));text-align:center;line-height:1.6}.verification-banner{padding:15px;gap:12px}.verification-banner strong{font-size:calc(12px * var(--text-scale))}.verification-banner .icon{width:24px;height:24px}.verification-summary dl{grid-template-columns:85px minmax(0,1fr)}.reading-preview{padding:18px}.settings-panel .form-row{grid-template-columns:1fr;gap:0}html[data-theme=dark] .sidebar{background:var(--surface);border-color:var(--line)}}

html[data-theme=dark] :is(.settings-nav a[aria-current],.tabs button.active,.quiet-button,.circle-card .circle-open,.create-promo button,.setting-group output){color:#b7c9ff}

/* 发布身份选择与其他表单保持一致，支持大字号和深色模式。 */
.anonymous-option { padding:12px 14px; border:1px solid var(--settings-border); border-radius:8px; background:var(--surface); }
.anonymous-option strong { display:block; color:var(--ink); }
.anonymous-option small { display:block; margin-top:4px; color:var(--settings-muted); line-height:1.6; }

/* 个人中心是一级入口，设置归入个人中心。 */
.personal-layout { display:grid; grid-template-columns:minmax(260px,320px) minmax(0,1fr); gap:24px; align-items:start; }
.personal-card { background:var(--surface); border:1px solid var(--settings-border); border-radius:14px; padding:30px 22px; min-width:0; }
.personal-card .profile-card h3,.personal-card .profile-card p { overflow-wrap:anywhere; }
.personal-card .profile-buttons { flex-direction:column; }
.personal-card .profile-buttons>button,.personal-card .profile-buttons>a { width:100%; justify-content:center; }
.personal-posts { min-width:0; }
.personal-posts-heading { display:flex; justify-content:space-between; align-items:center; gap:12px; margin-bottom:18px; }
.personal-posts-heading h2 { margin:0; font-size:calc(18px * var(--text-scale)); }
.personal-posts-heading h2 span { color:var(--settings-muted); font-size:calc(12px * var(--text-scale)); margin-left:6px; }
#settings-page .settings-back { display:flex; }
@media(max-width:1000px) { .personal-layout { grid-template-columns:1fr; } }
@media(max-width:760px) { .personal-card { padding:24px 18px; } #settings-page .settings-heading { align-items:flex-start; flex-direction:column; gap:12px; } .personal-posts-heading h2 { font-size:calc(16px * var(--text-scale)); } }