:root{--bg: #f2f7fc;--surface: #ffffff;--line: #dce7f2;--text: #0b1727;--muted: #607187;--blue: #0a73ff;--ink: #111b2d;--danger: #ff335f}*{box-sizing:border-box}body{margin:0;min-height:100vh;color:var(--text);font-family:PingFang SC,Hiragino Sans GB,Source Han Sans SC,Microsoft YaHei,sans-serif;background:radial-gradient(circle at 10% -10%,#d7ecff 0%,transparent 38%),radial-gradient(circle at 95% 2%,#ffe7cb 0%,transparent 32%),var(--bg)}button,input,textarea,select{font-family:inherit}.auth-page{min-height:100vh;display:grid;place-items:center;padding:20px}.auth-card{width:min(500px,100%);background:var(--surface);border:1px solid var(--line);border-radius:24px;padding:22px;box-shadow:0 28px 60px #14375a24;position:relative}.auth-brand{width:56px;height:56px;border-radius:50%;border:2px solid #1d2d44;display:grid;place-items:center;font-size:28px;font-weight:800}.auth-card h1{margin:16px 0 8px;font-size:28px}.auth-card p{margin:0;color:var(--muted);line-height:1.6}.auth-tabs{margin-top:16px;background:#eef4fb;border-radius:999px;padding:4px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px}.auth-tabs button{border:0;border-radius:999px;padding:10px;background:transparent;font-weight:700;cursor:pointer}.auth-tabs button.active{background:#fff;box-shadow:0 4px 12px #26435f26}.auth-form{margin-top:14px;display:grid;gap:10px}.auth-form input{border:1px solid var(--line);border-radius:12px;padding:11px 12px;font-size:14px;outline:none;transition:border-color .2s ease}.auth-form input:focus{border-color:#8bb6e7}.auth-error{color:#b51f41;font-size:13px;background:#ffedf2;border-radius:10px;padding:8px 10px}.auth-submit{border:0;border-radius:12px;background:var(--ink);color:#fff;font-size:16px;font-weight:700;padding:11px;cursor:pointer}.lang-switch{margin-top:10px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}.lang-switch button{border:1px solid #c7d7e8;border-radius:999px;background:#fff;color:#2b4f74;padding:6px 10px;font-size:12px;font-weight:700;cursor:pointer}.lang-switch button.active{border-color:#8eb6e7;background:#eaf3ff;color:#0d4d9f}.auth-lang-switch{margin-top:0;position:absolute;top:14px;right:14px;width:120px}.quick-login{margin-top:16px;border:1px dashed #d2ddec;border-radius:14px;padding:12px}.quick-login h4{margin:0 0 10px;font-size:13px;color:#4d6177}.quick-list{display:flex;flex-wrap:wrap;gap:8px}.quick-list button{border:1px solid #bdd1e8;border-radius:999px;background:#f7fbff;color:#2b4d71;padding:7px 12px;cursor:pointer}.page{min-height:100vh;padding:14px 14px 72px}.layout{width:min(1320px,100%);margin:0 auto;display:grid;gap:16px;grid-template-columns:250px minmax(0,1fr) 320px}.panel{background:var(--surface);border:1px solid var(--line);border-radius:20px;box-shadow:0 12px 36px #112c4614}.left{position:sticky;top:12px;height:calc(100vh - 86px);padding:12px;display:flex;flex-direction:column}.brand{width:50px;height:50px;border-radius:50%;border:2px solid #1f3550;display:grid;place-items:center;font-size:30px;font-weight:800;margin-bottom:8px}.menu-list{display:grid;gap:4px}.menu-list button{border:0;background:transparent;padding:10px 12px;text-align:left;border-radius:999px;font-size:15px;cursor:pointer;color:#20344b}.menu-list button:hover{background:#f0f6ff}.menu-list button.active{background:#e1eeff;color:#064a9f;font-weight:700}.main-post-btn{margin-top:10px;border:0;border-radius:999px;background:var(--ink);color:#fff;padding:12px;font-size:16px;font-weight:700;cursor:pointer}.left-ad-grid{margin-top:10px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.mini-ad{border-radius:10px;color:#fff;font-size:12px;font-weight:700;min-height:72px;display:flex;align-items:flex-end;padding:8px;text-decoration:none}.ad-1{background:linear-gradient(130deg,#f65837,#f8ac37)}.ad-2{background:linear-gradient(130deg,#f04a8f,#ff889e)}.ad-3{background:linear-gradient(130deg,#5074fa,#66cfff)}.ad-4{background:linear-gradient(130deg,#3db97f,#96dd6f)}.ad-5{background:linear-gradient(130deg,#5f58f8,#9b75ff)}.ad-6{background:linear-gradient(130deg,#00a9bc,#54d7b9)}.me-card{margin-top:auto;display:flex;align-items:center;gap:10px;padding:10px;border-radius:12px;background:#f4f9ff}.avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#3479ff,#45d3ff);color:#fff;font-weight:700;display:grid;place-items:center;flex:0 0 auto}.name-row{display:flex;align-items:center;gap:6px}.verify{font-size:11px;color:#fff;background:#1473e8;border-radius:999px;padding:2px 7px}.meta{color:#6a7f96;font-size:12px}.main{overflow:hidden}.tab-bar{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));border-bottom:1px solid var(--line)}.tab-bar button{border:0;background:transparent;cursor:pointer;padding:13px 4px;color:#3a526d;position:relative}.tab-bar button.active{color:#102946;font-weight:700}.tab-bar button.active:after{content:"";position:absolute;left:28%;right:28%;bottom:0;height:3px;background:var(--blue);border-radius:3px}.channel-line{padding:10px 14px;border-bottom:1px solid var(--line);color:#4c6987;font-size:14px;background:linear-gradient(180deg,#f8fcff,#f2f8ff)}.channel-stats{padding:10px 14px;border-bottom:1px solid var(--line);background:#f9fcff;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.stat-item{border:1px solid #d6e4f3;border-radius:12px;background:#fff;padding:8px 10px;display:grid;gap:4px}.stat-item span{color:#637a93;font-size:12px}.stat-item strong{color:#143251;font-size:14px}.composer{padding:14px;border-bottom:1px solid var(--line)}.composer textarea{width:100%;min-height:92px;resize:vertical;border-radius:14px;border:1px solid #ccdcec;background:#f5f9ff;padding:12px;font-size:14px;line-height:1.6;outline:none}.composer textarea:focus{border-color:#8db7e9;box-shadow:0 0 0 3px #0a73ff1f}.composer-row{margin-top:10px;display:flex;justify-content:space-between;align-items:center;gap:8px}.composer-tools{display:flex;align-items:center;gap:10px;color:#56708d;font-size:13px}.composer-tools select{border-radius:999px;border:1px solid #c5d7ea;background:#fff;color:#2c4a6b;padding:6px 10px}.composer-count{border-radius:999px;padding:4px 8px;background:#edf4ff;color:#395a7c;font-size:12px}.composer-count.warn{background:#ffeef2;color:#c3385a}.publish-btn{border:0;border-radius:999px;background:#15263d;color:#fff;padding:9px 20px;font-weight:700;cursor:pointer}.publish-btn:disabled{opacity:.5;cursor:not-allowed}.feed{padding:0 14px 10px}.post-card{padding:14px 0 12px;border-bottom:1px solid #e4edf7}.post-card:last-child{border-bottom:0}.post-ad{background:linear-gradient(180deg,#fffef7,#fff)}.post-head{display:flex;align-items:center;gap:10px}.post-user-row{display:flex;align-items:center;gap:8px;margin-bottom:2px}.ad-tag{font-size:11px;color:#8f6100;background:#ffe7b5;border-radius:999px;padding:2px 8px}.post-topic{margin:10px 0 6px 50px;color:#1e70d3;font-size:13px}.post-content{margin:0 0 8px 50px;white-space:pre-wrap;line-height:1.65}.ad-banner-inline{margin-left:50px;border-radius:12px;background:linear-gradient(130deg,#1ea5ff,#41d4b2);color:#042239;padding:10px;display:flex;justify-content:space-between;align-items:center;gap:8px}.ad-banner-inline strong a{color:#042239;text-decoration:none}.ad-banner-inline .ad-action-link{display:inline-block;border:0;border-radius:10px;background:#fff;color:#114b8e;font-weight:700;padding:8px 12px;cursor:pointer;text-decoration:none}.post-actions{margin:10px 0 0 50px;display:flex;gap:8px;color:#586f8a;font-size:13px}.post-actions button{border:1px solid #d7e4f2;border-radius:999px;background:#f7fbff;color:#385571;padding:5px 10px;cursor:pointer}.post-actions button.active{border-color:#ff9db1;background:#ffeef3;color:#c0264a}.comment-editor{margin:10px 0 0 50px;display:flex;gap:8px}.comment-editor input{flex:1;border:1px solid #d4e1ef;border-radius:999px;padding:8px 12px;outline:none}.comment-editor input:focus{border-color:#8db7e9}.comment-editor button{border:0;border-radius:999px;background:#2e79d9;color:#fff;padding:8px 12px;cursor:pointer}.comment-list{margin:10px 0 0 50px;display:grid;gap:6px}.comment-item{border-radius:10px;background:#f5f9ff;color:#2f4862;font-size:13px;padding:7px 10px}.comment-user{color:#1666c8;margin-right:6px}.empty-feed{text-align:center;color:#6c7e93;padding:20px 0}.right{display:flex;flex-direction:column;gap:12px}.search{padding:12px}.search input{width:100%;border:1px solid #d5e3f1;border-radius:999px;padding:10px 12px;background:#f7fbff}.backend-state{margin-top:8px;font-size:12px;color:#6d8197}.backend-state.online{color:#13673b}.backend-state.offline{color:#976a13}.profile,.trends,.follow-box,.ad-card-large,.ca-card,.project-card{padding:14px}.profile-head{display:flex;align-items:center;gap:10px}.profile p{margin:10px 0;color:#4e6177;font-size:13px}.profile-stats{display:flex;gap:10px;flex-wrap:wrap;color:#37536f;font-size:13px}.logout-btn{margin-top:10px;border:1px solid #c4d5e7;border-radius:999px;background:#fff;padding:8px 14px;cursor:pointer}.ca-card h3,.project-card h3{margin:0 0 8px}.notice-card{padding:14px}.notice-head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:10px}.notice-head h3{margin:0;display:flex;align-items:center;gap:6px}.notice-badge{display:inline-grid;place-items:center;min-width:20px;height:20px;border-radius:999px;background:#ff335f;color:#fff;font-size:12px}.notice-head button{border:1px solid #bfd2e5;border-radius:999px;background:#fff;color:#2e5075;font-size:12px;padding:5px 10px;cursor:pointer}.notice-head button:disabled{opacity:.45;cursor:not-allowed}.notice-list{display:grid;gap:8px}.notice-item{border-radius:10px;border:1px solid #dbe7f2;background:#f9fcff;padding:8px 10px;color:#274763;font-size:13px}.notice-item.unread{border-color:#a9c7e7;background:#edf5ff}.ca-label{color:#6a7f96;font-size:12px;margin-bottom:6px}.ca-value{border:1px dashed #bfd2e6;border-radius:10px;background:#f7fbff;padding:8px 10px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;font-size:12px;color:#1f3d5a;word-break:break-all;margin-bottom:8px}.ca-copy-btn{border:1px solid #b4cbe3;border-radius:999px;background:#fff;color:#23517f;font-weight:700;padding:7px 12px;cursor:pointer}.project-card p{margin:0 0 10px;color:#4d6279;line-height:1.6;font-size:13px}.project-list{margin:0;padding-left:18px;color:#34506b;font-size:13px;line-height:1.6}.trends h3,.follow-box h3{margin:0 0 10px}.trend-item{display:flex;justify-content:space-between;align-items:center;padding:8px 0;border-top:1px dashed #dde8f2;color:#2e4a65}.trend-item:first-of-type{border-top:0}.follow-item{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:8px 0;border-top:1px dashed #dce7f1}.follow-item:first-of-type{border-top:0}.follow-item button{border:1px solid #b8cee4;border-radius:999px;background:#f7fbff;color:#23517f;font-weight:700;padding:6px 10px;cursor:pointer}.ad-card-large{background:linear-gradient(140deg,#ffffff3d,#fff0),linear-gradient(130deg,#1da6ff,#39d0af 62%,#fbe37f)}.ad-card-large a{text-decoration:none;color:inherit;display:block}.ad-card-large h4{margin:0 0 10px;font-size:30px;line-height:1.18}.ad-card-large p{margin:0;color:#113657;font-weight:700}.modal-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#09122185;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:40;display:grid;place-items:center}.splash-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:radial-gradient(circle at 18% 16%,rgba(255,141,35,.24),transparent 36%),radial-gradient(circle at 84% 10%,rgba(31,166,255,.22),transparent 34%),#070e1adb;z-index:80;display:grid;place-items:center}.splash-card{width:min(460px,90vw);border-radius:22px;background:radial-gradient(circle at 30% 20%,rgba(255,255,255,.2),transparent 35%),linear-gradient(145deg,#111e3b,#0c2a55 58%,#15508e);border:1px solid rgba(255,255,255,.25);color:#f8fbff;padding:20px;text-align:center;box-shadow:0 30px 66px #00000073}.splash-label{display:inline-block;border-radius:999px;background:#ffffff2e;padding:4px 10px;font-size:12px;letter-spacing:1px}.splash-card h2{margin:10px 0 8px;font-size:38px}.splash-card p{margin:0;color:#d8e9ff;line-height:1.6}.splash-card a{margin-top:14px;display:inline-block;border-radius:999px;text-decoration:none;background:linear-gradient(180deg,#ffe26b,#ffc433);color:#7b3700;font-weight:800;padding:10px 16px}.splash-card button{display:block;margin:12px auto 0;border:1px solid rgba(255,255,255,.5);border-radius:999px;background:transparent;color:#eef5ff;padding:7px 14px;cursor:pointer}.invite-modal{width:min(440px,88vw);border-radius:24px;text-align:center;color:#ffeccc;padding:22px 16px 24px;position:relative;background:radial-gradient(circle at 35% 20%,#ff789d 0%,transparent 38%),linear-gradient(180deg,#ff2e67,#ff4938 84%);box-shadow:0 36px 70px #6908266b}.close-btn{position:absolute;top:10px;right:10px;border:1px solid rgba(255,255,255,.7);width:30px;height:30px;border-radius:50%;background:transparent;color:#fff;font-size:18px;cursor:pointer}.invite-headline{margin-top:8px;font-size:42px;font-weight:800}.invite-subtitle{font-size:31px;font-weight:800;color:#fff8df}.invite-coupon{margin:14px auto 0;width:84%;background:#fff0d8;color:#f23040;border-radius:14px;border:4px solid rgba(255,255,255,.58);padding:14px 8px;display:grid;gap:4px}.invite-coupon strong{font-size:58px;line-height:1}.invite-cta{display:inline-block;margin-top:14px;border:0;border-radius:999px;background:linear-gradient(180deg,#ffe580,#ffc92e);color:#a32a13;font-size:30px;font-weight:800;padding:8px 24px;cursor:pointer;text-decoration:none}.float-ad{position:fixed;right:14px;bottom:16px;width:290px;border-radius:15px;border:1px solid var(--line);background:#fff;box-shadow:0 20px 44px #10395833;z-index:30;overflow:hidden}.float-ad-head{display:flex;justify-content:space-between;align-items:center;padding:8px 10px;color:#fff;background:linear-gradient(120deg,#ff415b,#ff8a2f)}.float-ad-head button{border:0;border-radius:50%;width:22px;height:22px;cursor:pointer}.float-ad p{padding:10px 12px 0;margin:0;color:#2d4762;line-height:1.6;font-size:14px}.float-ad>a{display:block;text-align:center;margin:10px 12px 12px;width:calc(100% - 24px);border:0;border-radius:10px;background:var(--danger);color:#fff;font-weight:700;padding:9px;cursor:pointer;text-decoration:none}.tiny-tip{display:block;position:fixed;left:16px;bottom:26px;border-radius:12px;border:1px solid #f7d68a;background:#fffef3;color:#8c6206;padding:9px 12px;font-size:13px;box-shadow:0 12px 28px #7b5f1933;z-index:22;text-decoration:none}.bottom-strip{position:fixed;left:50%;bottom:0;transform:translate(-50%);width:min(1000px,calc(100vw - 20px));border-radius:18px 18px 0 0;background:linear-gradient(120deg,#101a34,#1b2c58,#11408f);color:#ffe57d;display:flex;justify-content:space-between;align-items:center;padding:10px 14px;box-shadow:0 -12px 30px #0000003d;z-index:20}.bottom-strip>a{color:inherit;text-decoration:none}.bottom-strip .bottom-strip-btn{border:1px solid #ffe57d;border-radius:999px;background:transparent;color:#ffe57d;padding:6px 12px;cursor:pointer}.toast{position:fixed;top:14px;left:50%;transform:translate(-50%);border-radius:999px;background:#12223a;color:#fff;padding:8px 14px;font-size:13px;box-shadow:0 10px 24px #10223a4d;z-index:50}@media (max-width: 1180px){.layout{grid-template-columns:240px minmax(0,1fr)}.right{display:none}}@media (max-width: 860px){.page{padding:10px 10px 72px}.layout{grid-template-columns:1fr}.left{position:static;height:auto}.menu-list{grid-template-columns:repeat(4,minmax(0,1fr))}.menu-list button{text-align:center;font-size:14px}.left-ad-grid,.me-card{display:none}.tab-bar{grid-template-columns:repeat(3,minmax(0,1fr))}.channel-stats{grid-template-columns:repeat(2,minmax(0,1fr))}.tab-bar button:nth-child(n+4){display:none}.float-ad{width:calc(100vw - 20px);right:10px;bottom:72px}.bottom-strip{width:100vw;border-radius:0;left:0;transform:none}}