:root{--ink:#392d28;--muted:#927b70;--coral:#db6c50;--cream:#fff9f5;--line:#f0ddd3;--peach:#ffe4d4;--sage:#dce8d6}*{box-sizing:border-box}body{margin:0;background:var(--cream);color:var(--ink);font:15px Arial,"Microsoft YaHei",sans-serif}.page{max-width:1100px;margin:auto;padding:22px 22px 100px}.topbar{display:flex;align-items:center;justify-content:space-between;height:52px}.brand{font-size:20px;font-weight:800}.brand span{color:var(--coral)}.top-user{color:var(--muted)}.layout{display:grid;grid-template-columns:minmax(0,680px) 300px;gap:28px;align-items:start;margin-top:26px}.feed-title{margin:0 0 16px;font-size:25px}.card{border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:0 12px 30px #6c3a2510}.post-card{display:flex;gap:12px;padding:18px;margin-bottom:14px}.avatar{display:grid;place-items:center;width:42px;height:42px;flex:none;border-radius:50%;background:var(--sage);color:#496046;font-weight:800}.post-body{min-width:0;flex:1}.post-name{font-weight:800}.post-time{display:block;margin-top:3px;color:var(--muted);font-size:12px}.post-text{line-height:1.75;margin:11px 0 14px}.post-actions{display:flex;gap:12px}.icon-btn{display:inline-flex;align-items:center;gap:6px;border:0;background:transparent;color:var(--muted);cursor:pointer;font:inherit}.icon-btn:hover,.icon-btn.liked{color:var(--coral)}.side-card{padding:22px}.profile-avatar{display:grid;place-items:center;width:58px;height:58px;border-radius:18px;background:var(--peach);color:var(--coral);font-size:21px;font-weight:800}.side-card h2{margin:14px 0 6px}.side-card p{color:var(--muted);line-height:1.6}.primary,.secondary{border:0;border-radius:11px;padding:12px 17px;font:inherit;font-weight:800;cursor:pointer}.primary{background:var(--coral);color:#fff;box-shadow:0 8px 18px #db6c5038}.primary:active{transform:scale(.98)}.secondary{background:#fff2ea;color:#ad543e}.overlay{position:fixed;inset:0;z-index:10;display:grid;place-items:center;padding:20px;background:#4b2d2442;backdrop-filter:blur(8px)}.auth-card{width:min(100%,430px);padding:34px;border:1px solid #fff;border-radius:22px;background:#fffdfb;box-shadow:0 26px 70px #3d201c42;animation:enter .28s ease-out}.auth-mark{display:grid;place-items:center;width:46px;height:46px;border-radius:15px;background:var(--peach);color:var(--coral);font-size:21px}.auth-card h1{margin:18px 0 7px;font-size:30px}.auth-card .hint{margin:0 0 23px;color:var(--muted)}label{display:grid;gap:7px;margin:13px 0;font-weight:700;font-size:13px}input,textarea{width:100%;border:1px solid var(--line);border-radius:12px;padding:13px;background:#fff;font:inherit;outline-color:var(--coral)}.auth-card .primary{width:100%;margin-top:10px}.switch{width:100%;margin-top:15px;border:0;background:transparent;color:#b15942;font:inherit;cursor:pointer}.notice{margin:14px 0;padding:11px;border-radius:10px;background:#fff0e8;color:#a14e37}.composer-modal{position:fixed;inset:0;z-index:11;display:none;place-items:end center;padding:0;background:#4b2d2442;backdrop-filter:blur(4px)}.composer-modal.open{display:grid}.composer{width:min(100%,680px);padding:20px;border-radius:22px 22px 0 0;background:#fff;animation:enter .22s ease-out}.composer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.composer textarea{height:160px;resize:none;border:0;padding:0;line-height:1.7}.composer-footer{display:flex;justify-content:space-between;align-items:center;color:var(--muted)}.mobile-nav{display:none}@keyframes enter{from{transform:translateY(14px);opacity:0}to{transform:translateY(0);opacity:1}}@media(max-width:780px){.page{padding:14px 14px 85px}.layout{display:block;margin-top:16px}.sidebar{display:none}.feed-title{font-size:22px}.sidebar{display:block;margin-top:16px}.mobile-nav{position:fixed;bottom:0;left:0;right:0;z-index:5;display:flex;align-items:center;justify-content:space-around;height:66px;border-top:1px solid var(--line);background:#fffdfbf2;backdrop-filter:blur(10px)}.mobile-nav button{border:0;background:transparent;color:var(--muted);font:inherit}.mobile-nav .add{display:grid;place-items:center;width:45px;height:45px;border-radius:50%;background:var(--coral);color:#fff;font-size:25px;box-shadow:0 8px 16px #db6c5040}}@media(prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;transition-duration:.01ms!important}}