*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.65 var(--font);min-height:100vh;-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.07;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
#app{position:relative;z-index:1}
a{color:inherit}button,input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.sc{font-family:var(--font-sc)}
/* nav */
.top{position:sticky;top:0;z-index:20;background:rgba(21,21,21,.86);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.top-in{max-width:1240px;margin:0 auto;display:flex;align-items:center;gap:28px;padding:0 24px;height:64px}
.logo{display:flex;align-items:center;gap:10px;font:800 20px/1 var(--font-display);text-decoration:none;letter-spacing:-.01em;white-space:nowrap}
.logo i{width:26px;height:26px;display:grid;place-items:center}
.nav{display:flex;gap:6px;height:100%}
.nav a{display:flex;align-items:center;padding:0 12px;text-decoration:none;color:var(--muted);font-weight:500;position:relative;transition:color .2s}
.nav a:hover{color:var(--text)}
.nav a.on{color:var(--accent)}
.nav a.on::after{content:"";position:absolute;left:12px;right:12px;bottom:-1px;height:2px;background:var(--accent);border-radius:2px;animation:grow .3s var(--ease)}
@keyframes grow{from{transform:scaleX(0)}}
.nav .badge{margin-left:6px;background:var(--accent);color:#fff;font-size:11px;border-radius:99px;padding:0 6px;line-height:18px}
.top-r{margin-left:auto;display:flex;align-items:center;gap:12px}
.av{width:34px;height:34px;border-radius:50%;background:var(--card-2);border:1px solid var(--line-2);display:grid;place-items:center;font-weight:700;font-size:14px}
.me{display:flex;align-items:center;gap:10px;background:none;border:0;cursor:pointer;color:var(--muted)}
.wrap{max-width:1240px;margin:0 auto;padding:28px 24px 80px}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 22px;border-radius:10px;border:1px solid transparent;background:var(--accent);color:var(--accent-ink);font-weight:700;font-size:16px;cursor:pointer;text-decoration:none;transition:transform .15s var(--ease),background .2s,box-shadow .2s;white-space:nowrap}
.btn:hover{background:var(--accent-2);box-shadow:0 6px 24px rgba(255,90,31,.25)}
.btn:active{transform:scale(.97)}
.btn[disabled]{opacity:.5;cursor:not-allowed;box-shadow:none}
.btn.ghost{background:transparent;border-color:var(--line-2);color:var(--text)}
.btn.ghost:hover{border-color:var(--muted);background:var(--card-2);box-shadow:none}
.btn.sm{min-height:38px;padding:0 14px;font-size:14px}
.btn.block{width:100%}
.btn .arrow{transition:transform .2s var(--ease)}.btn:hover .arrow{transform:translateX(3px)}
.link{background:none;border:0;color:var(--accent);cursor:pointer;padding:0;font-weight:500;text-decoration:none}
/* cards */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px}
.tag{display:inline-flex;align-items:center;gap:6px;font-size:13px;padding:2px 10px;border-radius:7px;background:var(--card-2);border:1px solid var(--line-2);color:var(--text)}
.tag.acc{border-color:rgba(255,90,31,.5);color:var(--accent);background:var(--accent-soft)}
.tag.ok{border-color:rgba(60,207,142,.4);color:var(--ok);background:rgba(60,207,142,.08)}
.muted{color:var(--muted)}.dim{color:var(--dim)}.acc{color:var(--accent)}
h1,h2,h3{margin:0;line-height:1.25;letter-spacing:-.01em}
h1{font-size:clamp(28px,4vw,42px);font-weight:900}h2{font-size:22px;font-weight:900}h3{font-size:18px;font-weight:700}
.sec-h{display:flex;align-items:baseline;justify-content:space-between;margin:34px 0 14px;gap:12px}
/* layout */
.board{display:grid;grid-template-columns:1fr 340px;gap:22px;align-items:start}
.side{position:sticky;top:86px}
.hero{position:relative;overflow:hidden;padding:34px;min-height:300px;display:grid;grid-template-columns:1.2fr 1fr;gap:26px;background:radial-gradient(120% 120% at 100% 0%,#2a2522 0%,var(--card) 55%)}
.hero h1{margin:14px 0 12px}
.meta{display:flex;flex-wrap:wrap;gap:8px 20px;color:var(--muted);font-size:14px;margin:14px 0 22px}
.meta b{color:var(--text);font-weight:500}
.bubble{align-self:end;background:var(--bg-2);border:1px solid var(--line-2);border-radius:16px;padding:20px 22px;position:relative;font-family:var(--font-sc);box-shadow:var(--shadow)}
.bubble::before{content:"“";position:absolute;top:-6px;left:14px;font:900 46px/1 Georgia,serif;color:var(--accent)}
.bubble p{margin:12px 0 14px;font-size:15px}
.who{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--muted);font-family:var(--font)}
.who .av{width:32px;height:32px;font-size:13px;background:var(--accent-soft);color:var(--accent);border-color:rgba(255,90,31,.4)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px}
.job{display:flex;flex-direction:column;gap:8px;text-decoration:none;padding:18px;transition:transform .2s var(--ease),border-color .2s,background .2s;cursor:pointer}
.job:hover{transform:translateY(-3px);border-color:var(--line-2);background:var(--card-2)}
.job h3{font-size:17px}
.job p{margin:0;color:var(--muted);font-size:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.job .row{display:flex;justify-content:space-between;align-items:center;margin-top:auto;padding-top:8px;font-size:14px}
.money{color:var(--accent);font:800 16px/1 var(--font-display);white-space:nowrap}
.diff{display:inline-flex;gap:3px;align-items:center;color:var(--muted);font-size:13px}
.diff i{width:6px;height:6px;border-radius:2px;background:var(--line-2)}.diff i.on{background:var(--accent)}
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.chip{border:1px solid var(--line-2);background:transparent;border-radius:99px;padding:7px 14px;font-size:14px;cursor:pointer;color:var(--muted);transition:all .15s}
.chip:hover{color:var(--text)}.chip[aria-pressed=true]{background:var(--accent);border-color:var(--accent);color:#fff}
.sel{background:var(--card);border:1px solid var(--line-2);border-radius:99px;padding:7px 14px;font-size:14px}
/* progress / timeline */
.bar{height:6px;background:var(--line);border-radius:9px;overflow:hidden}.bar i{display:block;height:100%;background:var(--accent);border-radius:9px;transition:width .8s var(--ease)}
.tl{list-style:none;margin:18px 0;padding:0}
.tl li{display:grid;grid-template-columns:24px 1fr auto;gap:12px;align-items:start;position:relative;padding-bottom:20px;font-size:15px}
.tl li::before{content:"";position:absolute;left:11px;top:24px;bottom:0;width:2px;background:var(--line-2)}
.tl li:last-child::before{display:none}
.tl .dot{width:24px;height:24px;border-radius:50%;border:2px solid var(--line-2);display:grid;place-items:center;background:var(--bg-2);font-size:12px}
.tl li.done .dot{background:var(--accent);border-color:var(--accent);color:#fff}
.tl li.done::before{background:var(--accent)}
.tl li.now .dot{border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-soft);animation:pulse 2s infinite}
.tl li.now span:last-child{color:var(--accent);font-weight:700}
.tl span:last-child{font-size:13px;color:var(--muted)}
@keyframes pulse{50%{box-shadow:0 0 0 7px rgba(255,90,31,.05)}}
/* forms */
.field{display:grid;gap:6px;margin-bottom:16px}.field span{font-weight:500}
.input{width:100%;background:var(--bg-2);border:1px solid var(--line-2);border-radius:10px;padding:13px 14px;font-size:16px;transition:border-color .2s,box-shadow .2s}
.input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
textarea.input{resize:vertical;min-height:90px}
.auth{max-width:440px;margin:6vh auto}
.err{color:#ff8a65;background:rgba(255,77,79,.08);border:1px solid rgba(255,77,79,.3);border-radius:10px;padding:10px 14px;margin-bottom:14px}
.note{background:var(--bg-2);border:1px dashed var(--line-2);border-radius:10px;padding:14px 16px;color:var(--muted);font-size:14px}
/* detail / workspace */
.two{display:grid;grid-template-columns:1fr 360px;gap:22px;align-items:start}
.brief{font-family:var(--font-sc);white-space:pre-wrap;font-size:16px;line-height:1.85}
.mat{font-family:var(--font-sc);white-space:pre-wrap;background:var(--bg-2);border:1px solid var(--line);border-radius:10px;padding:14px 16px;font-size:15px}
.kv{display:grid;grid-template-columns:auto 1fr;gap:10px 16px;font-size:15px}.kv dt{color:var(--muted)}.kv dd{margin:0}
ul.wants{margin:8px 0 0;padding-left:20px}ul.wants li{margin:4px 0}
.thread{display:flex;flex-direction:column;gap:14px}
.msg{max-width:86%;padding:14px 16px;border-radius:14px;white-space:pre-wrap;animation:rise .35s var(--ease) both}
.msg.client{background:var(--card-2);border:1px solid var(--line-2);font-family:var(--font-sc);border-top-left-radius:4px}
.msg.student{align-self:flex-end;background:var(--accent-soft);border:1px solid rgba(255,90,31,.35);border-top-right-radius:4px}
.msg.system{align-self:center;max-width:100%;background:rgba(60,207,142,.08);border:1px solid rgba(60,207,142,.35);color:var(--ok);text-align:center}
.msg small{display:block;color:var(--dim);font-size:12px;margin-top:6px;font-family:var(--font)}
.msg a{color:var(--accent)}
.waiting{align-self:center;color:var(--muted);font-size:14px;display:flex;gap:8px;align-items:center}
.spin{width:14px;height:14px;border:2px solid var(--line-2);border-top-color:var(--accent);border-radius:50%;animation:spin 1s linear infinite;display:inline-block}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes rise{from{opacity:0;transform:translateY(8px)}}
.page{animation:rise .35s var(--ease)}
.tabs{display:flex;gap:6px;background:var(--bg-2);border:1px solid var(--line);border-radius:10px;padding:4px;margin-bottom:14px}
.tabs button{flex:1;border:0;background:none;padding:9px;border-radius:7px;cursor:pointer;color:var(--muted);font-weight:500}
.tabs button[aria-selected=true]{background:var(--card-2);color:var(--text)}
.drop{border:2px dashed var(--line-2);border-radius:12px;padding:26px;text-align:center;color:var(--muted);cursor:pointer;transition:all .2s}
.drop:hover,.drop.over{border-color:var(--accent);background:var(--accent-soft);color:var(--text)}
.steps-mini{counter-reset:s;list-style:none;padding:0;margin:10px 0}.steps-mini li{counter-increment:s;padding-left:34px;position:relative;margin:10px 0}
.steps-mini li::before{content:counter(s);position:absolute;left:0;top:1px;width:24px;height:24px;border-radius:50%;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;font-size:13px;font-weight:700}
.toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%);background:var(--text);color:#111;padding:12px 20px;border-radius:10px;font-weight:500;z-index:99;animation:rise .3s var(--ease);box-shadow:var(--shadow)}
.empty{text-align:center;padding:50px 20px;color:var(--muted)}
.stars{color:var(--accent);letter-spacing:2px}
.land-hero{padding:9vh 0 6vh;max-width:760px}
.land-hero h1{font-size:clamp(34px,6vw,64px);line-height:1.12}
.land-hero p{font-size:18px;color:var(--muted);margin:18px 0 28px}
.feat{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:20px}
.feat .card b{display:block;font-size:17px;margin:8px 0 4px}
.lock{display:inline-flex;align-items:center;gap:8px;color:var(--muted);font-size:14px;margin-top:14px}
.mobnav{display:none}
@media (max-width:960px){.board,.two{grid-template-columns:1fr}.side{position:static}.hero{grid-template-columns:1fr}.feat{grid-template-columns:1fr}}
@media (max-width:640px){
  .top-in{padding:0 16px;gap:12px}.nav{display:none}.wrap{padding:18px 16px 96px}.hero{padding:22px}.me span{display:none}
  .mobnav{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:30;background:rgba(21,21,21,.95);backdrop-filter:blur(12px);border-top:1px solid var(--line);padding:6px 6px calc(6px + env(safe-area-inset-bottom))}
  .mobnav a{flex:1;text-align:center;text-decoration:none;color:var(--muted);font-size:12px;padding:6px 0;display:grid;justify-items:center;gap:2px}
  .mobnav a.on{color:var(--accent)}
  .msg{max-width:94%}.card{padding:18px}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

.only-m{display:none}
@media (max-width:960px){.only-m{display:block}.hide-m{display:none}}

/* ── v2 市集 ── */
.small{font-size:13px}
.tag.stu{background:rgba(255,176,32,.12);color:var(--warn);border-color:rgba(255,176,32,.35);display:inline-flex;gap:5px;align-items:center}
.tag.stu svg{width:12px;height:12px}
.tag.prac{background:rgba(120,160,255,.12);color:#9db8ff;border-color:rgba(120,160,255,.35)}
.tag.prac.mini{font-size:10px;padding:1px 6px;margin-left:6px;vertical-align:2px}
.tag.bad{background:rgba(255,77,79,.12);color:var(--bad);border-color:rgba(255,77,79,.35)}
.tags{display:flex;gap:6px;flex-wrap:wrap;align-items:center}
.page-h{display:flex;justify-content:space-between;align-items:flex-end;gap:14px;flex-wrap:wrap;margin-bottom:20px}
.page-h h1{margin:0}
.narrow{max-width:680px;margin:0 auto}
.mode{display:inline-flex;background:var(--bg-2);border:1px solid var(--line);border-radius:999px;padding:3px}
.mode button{border:0;background:none;color:var(--muted);font:inherit;font-size:14px;font-weight:700;padding:6px 14px;border-radius:999px;cursor:pointer;transition:all .25s var(--ease)}
.mode button[aria-pressed=true]{background:var(--accent);color:var(--accent-ink);box-shadow:0 4px 14px rgba(255,90,31,.35)}
.bell{position:relative;display:grid;place-items:center;width:40px;height:40px;border-radius:50%;color:var(--muted);transition:background .2s,color .2s}
.bell:hover,.bell.on{background:var(--card-2);color:var(--text)}
.bell .badge{position:absolute;top:3px;right:2px;min-width:18px;height:18px;border-radius:9px;background:var(--accent);color:#fff;font-size:11px;font-weight:700;display:grid;place-items:center;padding:0 5px;animation:pop .4s var(--ease)}
.bell:has(.badge) svg{animation:ring 1.6s var(--ease) 1}
@keyframes ring{0%,100%{transform:rotate(0)}15%{transform:rotate(14deg)}30%{transform:rotate(-12deg)}45%{transform:rotate(8deg)}60%{transform:rotate(-4deg)}}
@keyframes pop{from{transform:scale(0)}to{transform:scale(1)}}
a.me{text-decoration:none}
.pay-note{margin-top:16px;padding:14px 16px;border-radius:var(--r);background:rgba(255,176,32,.07);border:1px solid rgba(255,176,32,.25);color:var(--muted);font-size:14px;line-height:1.7}
.pay-note b{display:block;color:var(--warn);margin-bottom:2px}
.prac-banner{display:flex;gap:10px;align-items:center;padding:12px 16px;margin-bottom:18px;border-radius:var(--r);border:1px dashed rgba(120,160,255,.4);background:rgba(120,160,255,.06);font-size:14px;color:var(--muted)}
.prac-card{border-style:dashed}
.foot{display:flex;gap:18px;justify-content:center;flex-wrap:wrap;padding:30px 16px 110px;color:var(--dim);font-size:13px}
.foot a{color:var(--dim)} .foot a:hover{color:var(--text)}
.search{position:relative;display:flex;align-items:center;flex:1 1 220px;max-width:340px}
.search svg{position:absolute;left:12px;color:var(--dim)}
.search .input{padding-left:40px;margin:0}
.clip{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;color:var(--muted);font-size:14px;margin:0}
.two-in{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.row-end{display:flex;gap:10px;justify-content:flex-end;flex-wrap:wrap;margin-top:12px}
.prop{margin-top:12px;transition:border-color .2s,transform .2s var(--ease)}
.prop:hover{border-color:var(--line-2)}
.prop.chosen{border-color:var(--ok)} .prop.declined{opacity:.55}
.prop-h{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.prop-h .who{margin-right:auto;text-decoration:none}
.chip.sm{font-size:12px;padding:3px 10px;cursor:default}
.links{margin:6px 0 0;padding-left:18px;word-break:break-all}
.report{display:block;margin-top:18px;color:var(--dim);font-size:13px;background:none;border:0;cursor:pointer}
.report:hover{color:var(--bad)}
.composer{display:flex;gap:10px;align-items:flex-end;margin-top:12px}
.composer textarea{flex:1;margin:0}
.msg.delivery{border-left:3px solid var(--accent)} .msg.revise{border-left:3px solid var(--warn)}
.deliv{margin-top:14px;padding:16px;border-radius:var(--r);background:var(--card-2)}
.star-in{display:flex;gap:4px;margin:6px 0 12px}
.star-in button{background:none;border:0;font-size:32px;color:var(--line-2);cursor:pointer;transition:transform .15s var(--ease),color .15s}
.star-in button:hover{transform:scale(1.2)} .star-in button.on{color:var(--warn)}
.status-card{margin-bottom:16px} .status-card.pending{border-color:rgba(255,90,31,.4)} .status-card.bad{border-color:rgba(255,77,79,.4)}
.check{display:flex;gap:12px;align-items:flex-start;padding:14px;border:1px solid var(--line);border-radius:var(--r);cursor:pointer;margin:6px 0 4px}
.check input{width:20px;height:20px;accent-color:var(--accent);margin-top:2px}
.list{display:flex;flex-direction:column;gap:10px}
.li{display:flex;gap:12px;align-items:center;flex-wrap:wrap;padding:14px 18px;text-decoration:none;color:var(--text)}
.li b{margin-right:auto}
a.li{transition:border-color .2s,transform .2s var(--ease)} a.li:hover{border-color:var(--line-2);transform:translateX(3px)}
.notif.unread{border-left:3px solid var(--accent);background:var(--card-2)}
.notif span:first-child{flex:1}
.prof-h{display:flex;gap:18px;align-items:center;margin-bottom:16px}
.prof-h h1{margin:0 0 6px}
.av.xl{width:68px;height:68px;font-size:28px}
.review{margin-bottom:10px} .review p{margin:8px 0 0;color:var(--muted)}
.stu-band{display:flex;gap:20px;align-items:center;justify-content:space-between;flex-wrap:wrap;margin-top:28px;background:linear-gradient(120deg,rgba(255,176,32,.07),transparent 60%)}
.stu-band h2{margin:10px 0 6px}
.land-cta{display:flex;gap:12px;flex-wrap:wrap}
.legal ol{padding-left:20px;line-height:1.9;color:var(--muted)}
.dlg{background:var(--card);color:var(--text);border:1px solid var(--line-2);border-radius:var(--r);padding:22px;width:min(460px,92vw);box-shadow:var(--shadow)}
.dlg::backdrop{background:rgba(0,0,0,.6);backdrop-filter:blur(3px)}
.dlg[open]{animation:rise .3s var(--ease)}
.dlg h3{margin-top:0}
select.input{appearance:auto}
@media (max-width:640px){
  .logo-t{display:none}
  .mode button{padding:6px 10px;font-size:13px}
  .two-in{grid-template-columns:1fr}
  .search{max-width:none;flex-basis:100%}
  .page-h .btn{width:100%;justify-content:center}
  .composer .btn{padding:12px}
  .top-r{gap:6px}
}
@media (max-width:640px){.me .av{display:grid}}

.gbtn{display:flex;align-items:center;justify-content:center;gap:10px}.or{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:13px;margin:16px 0}.or::before,.or::after{content:"";flex:1;height:1px;background:var(--line)}