/* ============ 云端签到助手 · 浅蓝主题 v3（与主站统一） ============ */
:root{
  --bg:#eff6ff;--card:#ffffff;--card2:#f4f9ff;--panel:#f4f9ff;
  --line:#d8e7f8;--line2:#c7ddf4;
  --tx:#17395c;--text:#17395c;--mut:#5e7e9e;--muted:#5e7e9e;
  --acc:#2e80e9;--acc2:#38bdf8;
  --ok:#159d6a;--bad:#e5484d;--warn:#d97706;
  --r:16px;--shadow:0 14px 36px rgba(46,128,233,.10);
}
[hidden]{display:none!important}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--tx);line-height:1.6;min-height:100vh}
body::before{content:"";position:fixed;inset:0;background:radial-gradient(600px 400px at 15% -5%,rgba(147,197,253,.35),transparent),radial-gradient(500px 350px at 90% 10%,rgba(103,232,249,.22),transparent),radial-gradient(700px 500px at 50% 110%,rgba(46,128,233,.08),transparent);pointer-events:none;z-index:0}
.bg{position:fixed;inset:0;background-image:linear-gradient(rgba(46,128,233,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(46,128,233,.05) 1px,transparent 1px);background-size:44px 44px;pointer-events:none;z-index:0}
main,section#app{position:relative;z-index:1}

/* ---------- 通用组件 ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);padding:26px}
.primary{background:linear-gradient(135deg,#3b8df0,#2e7de4);border:none;color:#fff;font-weight:700;border-radius:10px;padding:10px 20px;cursor:pointer;font-size:15px;transition:.2s;box-shadow:0 6px 16px rgba(46,128,233,.25)}
.primary:hover{filter:brightness(1.07);transform:translateY(-1px)}
.primary.big{padding:14px 30px;font-size:17px}
.primary.small{padding:7px 14px;font-size:13px}
.ghost{background:#fff;border:1px solid var(--line2);color:var(--tx);border-radius:10px;padding:9px 18px;cursor:pointer;font-size:14px;transition:.2s}
.ghost:hover{border-color:var(--acc);color:var(--acc)}
.ghost.big{padding:13px 28px;font-size:16px}
.ghost.small{padding:6px 12px;font-size:12px}
.danger{background:#fff;border:1px solid rgba(229,72,77,.55);color:var(--bad);border-radius:10px;padding:9px 18px;cursor:pointer;font-size:14px}
.danger:hover{background:rgba(229,72,77,.07)}
.muted{color:var(--mut)}
.form{display:flex;flex-direction:column;gap:14px}
.form label{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--mut)}
.form input,.form select,.settings-card input,.settings-card select,.settings-card textarea{background:#fff;border:1px solid var(--line2);color:var(--tx);border-radius:9px;padding:10px 12px;font-size:14px;outline:none;transition:.2s}
.form input:focus,.settings-card input:focus,.settings-card select:focus{border-color:var(--acc);box-shadow:0 0 0 3px rgba(46,128,233,.14)}
.form.inline{flex-direction:row;flex-wrap:wrap;gap:10px}
.form.inline label{flex:1;min-width:180px}
#notice{position:fixed;left:50%;bottom:26px;transform:translateX(-50%);background:#fff;border:1px solid var(--acc);color:var(--tx);padding:11px 22px;border-radius:99px;z-index:99;display:none;box-shadow:var(--shadow);font-size:14px}
.overlay{position:fixed;inset:0;background:rgba(15,40,74,.42);backdrop-filter:blur(4px);z-index:50;display:flex;align-items:center;justify-content:center}
.modal{width:min(420px,92vw);position:relative;animation:pop .25s ease}
@keyframes pop{from{transform:scale(.94);opacity:0}to{transform:scale(1);opacity:1}}
.modal-close{position:absolute;top:12px;right:14px;background:none;border:none;color:var(--mut);font-size:19px;cursor:pointer;z-index:2}
.modal-close:hover{color:var(--tx)}
.modal-foot{margin-top:16px;text-align:center;font-size:12px}
.tabs{display:flex;gap:8px;margin-bottom:18px;background:var(--card2);padding:5px;border-radius:11px}
.tab{flex:1;background:none;border:none;color:var(--mut);padding:9px;border-radius:8px;cursor:pointer;font-size:14px;transition:.2s}
.tab.active{background:#fff;color:var(--acc);font-weight:600;box-shadow:0 2px 10px rgba(46,128,233,.14)}

/* ---------- 落地页 ---------- */
.landing{max-width:1080px;margin:0 auto;padding:0 22px 60px}
.landing-nav{display:flex;align-items:center;gap:28px;padding:18px 0;position:sticky;top:0;background:rgba(243,250,255,.86);backdrop-filter:blur(10px);z-index:10;border-bottom:1px solid transparent}
.landing-nav .brand{font-size:18px;font-weight:800;letter-spacing:.5px;background:linear-gradient(90deg,var(--acc),#0ea5e9);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.nav-links{display:flex;gap:22px;margin-left:auto}
.nav-links a{color:var(--mut);text-decoration:none;font-size:14px;transition:.2s}
.nav-links a:hover{color:var(--acc)}
.landing-hero{text-align:center;padding:86px 0 60px}
.landing-hero h1{font-size:44px;line-height:1.3;font-weight:800;letter-spacing:.5px;margin:20px 0 14px;color:#123a63}
.landing-hero p{color:var(--mut);font-size:17px;margin-bottom:30px}
.hero-badge{display:inline-block;background:rgba(46,128,233,.08);border:1px solid rgba(46,128,233,.35);color:var(--acc);font-size:11px;font-weight:700;letter-spacing:2px;padding:6px 14px;border-radius:99px;text-transform:uppercase}
.hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.hero-stats{display:flex;gap:48px;justify-content:center;margin-top:52px;flex-wrap:wrap}
.hero-stats .stat-val{font-size:26px;font-weight:800;color:var(--acc)}
.hero-stats .stat-label{font-size:12px;color:var(--mut);letter-spacing:1px}
.landing-section{max-width:940px;margin:70px auto 0;text-align:center}
.section-title{font-size:30px;font-weight:800;color:#123a63}
.section-sub{color:var(--mut);margin:6px 0 34px}
.feature-grid,.landing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.landing-grid .feature-card{text-align:left;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px;transition:.25s;cursor:default;box-shadow:0 8px 24px rgba(46,128,233,.06)}
.landing-grid .feature-card:hover{transform:translateY(-4px);border-color:#a9cdf3;box-shadow:var(--shadow)}
.fc-icon{font-size:30px;display:block;margin-bottom:12px}
.landing-grid .feature-card b{font-size:17px;display:block;margin-bottom:8px;color:#14395f}
.landing-grid .feature-card p{color:var(--mut);font-size:13.5px;line-height:1.7}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.step{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:28px 22px;text-align:left;box-shadow:0 8px 24px rgba(46,128,233,.06)}
.step-num{display:inline-flex;width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,#3b8df0,#38bdf8);color:#fff;font-weight:800;align-items:center;justify-content:center;margin-bottom:14px}
.step b{display:block;margin-bottom:8px;font-size:16px;color:#14395f}
.step p{color:var(--mut);font-size:13.5px}
.safety-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;text-align:left}
.safety-grid>div{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px 22px;box-shadow:0 8px 24px rgba(46,128,233,.06)}
.safety-grid b{font-size:15px;color:#14395f}
.safety-grid p{color:var(--mut);font-size:13px;margin-top:6px}
.faq{text-align:left;display:flex;flex-direction:column;gap:10px}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 20px;box-shadow:0 6px 18px rgba(46,128,233,.05)}
.faq summary{cursor:pointer;font-weight:600;font-size:15px;color:#14395f}
.faq details p{color:var(--mut);font-size:13.5px;margin-top:10px;line-height:1.8}
.landing-footer{text-align:center;padding:60px 0 10px;border-top:1px solid var(--line);margin-top:80px}
.landing-footer p{color:var(--mut);margin-bottom:18px;font-size:14px}
.beian-line{margin-top:16px;font-size:12px;color:#7d95ad;line-height:2}
.beian-line a{color:#6f8aa6;text-decoration:none;border-bottom:1px dashed #b9cfe6}
.beian-line a:hover{color:var(--acc);border-bottom-color:var(--acc)}

/* ---------- 工作台 ---------- */
.workbench{max-width:1000px;margin:26px auto}
.bar{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.who{font-size:16px}
.bar-actions{display:flex;align-items:center;gap:10px}
.chip{background:rgba(21,157,106,.1);color:var(--ok);border-radius:99px;padding:4px 12px;font-size:12px}
.chip.off{background:rgba(229,72,77,.1);color:var(--bad)}
.chip.admin{background:rgba(46,128,233,.1);color:var(--acc)}
.client-layout{display:flex;gap:20px}
.client-nav{display:flex;flex-direction:column;gap:4px;min-width:132px}
.client-nav button{background:none;border:none;color:var(--mut);text-align:left;padding:11px 14px;border-radius:9px;cursor:pointer;font-size:14px;transition:.2s}
.client-nav button:hover{background:rgba(46,128,233,.07);color:var(--tx)}
.client-nav button.active{background:rgba(46,128,233,.12);color:var(--acc);font-weight:600}
.client-content{flex:1;min-width:0}
.welcome{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:20px;flex-wrap:wrap}
.welcome h2{font-size:24px;margin:4px 0;color:#123a63}
.eyebrow{font-size:11px;letter-spacing:2px;color:var(--acc);font-weight:700}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:16px}
.stat{background:var(--card2);border:1px solid var(--line);border-radius:12px;padding:16px 18px}
.stat-label{font-size:12px;color:var(--mut);margin-bottom:6px}
.stat-val{font-size:22px;font-weight:800;color:#123a63}
.stat-val.small-val{font-size:17px}
.stat small{color:var(--mut);font-size:12px}
.stat.accent{border-color:rgba(46,128,233,.45);background:rgba(46,128,233,.06)}
.task-alert{display:flex;gap:14px;align-items:flex-start;background:rgba(21,157,106,.07);border:1px solid rgba(21,157,106,.3);border-radius:12px;padding:16px 18px;margin-bottom:16px}
.task-alert.active{background:rgba(217,119,6,.07);border-color:rgba(217,119,6,.35)}
.task-alert.quiet{background:var(--card2);border-color:var(--line)}
.task-icon{width:34px;height:34px;border-radius:50%;background:rgba(21,157,106,.12);color:var(--ok);display:flex;align-items:center;justify-content:center;font-weight:800;flex-shrink:0}
.task-alert.active .task-icon{background:rgba(217,119,6,.12);color:var(--warn)}
.task-alert b{display:block;margin-bottom:2px;color:#14395f}
.task-alert p{color:var(--mut);font-size:13px}
.task-alert a{color:var(--acc)}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.feature-grid button,.feature-grid a{background:var(--card2);border:1px solid var(--line);border-radius:12px;padding:18px;text-align:left;cursor:pointer;color:var(--tx);text-decoration:none;display:flex;flex-direction:column;gap:4px;transition:.2s}
.feature-grid button:hover,.feature-grid a:hover{border-color:#a9cdf3;transform:translateY(-2px);box-shadow:0 10px 24px rgba(46,128,233,.1)}
.feature-grid span{font-size:20px}
.feature-grid b{font-size:14.5px;color:#14395f}
.feature-grid small{color:var(--mut);font-size:12px}
.section-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.section-head h2{font-size:19px;color:#123a63}
.section-head p{color:var(--mut);font-size:13px;margin-top:2px}
.tag{display:inline-block;padding:4px 12px;border-radius:99px;font-size:12px}
.tag.ok{background:rgba(21,157,106,.1);color:var(--ok)}
.tag.off{background:rgba(229,72,77,.1);color:var(--bad)}
.connect-card{background:var(--card2);border:1px dashed var(--line2);border-radius:14px;padding:32px;text-align:center}
.connect-art{font-size:40px;color:var(--acc);margin-bottom:10px}
.connect-card h3{margin-bottom:6px;color:#14395f}
.connect-card p{color:var(--mut);font-size:13px;margin-bottom:18px}
.qr-box{background:var(--card2);border:1px dashed var(--line2);border-radius:14px;padding:28px;text-align:center}
.qr-box img{width:210px;height:210px;border-radius:10px;background:#fff;padding:8px;margin-bottom:12px}
.qr-box b{color:#14395f}
.qr-box p{color:var(--mut);font-size:12.5px;margin:6px 0 12px}
.connection-detail{background:var(--card2);border:1px solid var(--line);border-radius:14px;padding:22px;display:flex;flex-direction:column;gap:12px}
.connection-detail>div{display:flex;justify-content:space-between;gap:10px}
.connection-detail span{color:var(--mut);font-size:13px}
.connection-detail button{margin-top:6px}
.settings-card{background:var(--card2);border:1px solid var(--line);border-radius:14px;padding:22px;display:flex;flex-direction:column;gap:18px}
.setting-block{display:flex;flex-direction:column;gap:10px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.setting-block:last-of-type{border-bottom:none;padding-bottom:0}
.setting-block>b{font-size:15px;color:#14395f}
.setting-block>small{color:var(--mut);font-size:12.5px}
.form-actions-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.form-actions-row button{margin:0}.check-row{display:flex;align-items:center;gap:8px;color:var(--tx);font-size:13px}.check-row input{width:auto;margin:0}
.setting-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.setting-grid label,.coords-row label{display:flex;flex-direction:column;gap:6px;font-size:12.5px;color:var(--mut)}
.switch-row{display:flex;align-items:center;justify-content:space-between;gap:14px;cursor:pointer;font-size:14px}
.switch-row small{color:var(--mut);font-size:12px;display:block}
.switch-row input{display:none}
.switch-row i{width:44px;height:24px;background:var(--line2);border-radius:99px;position:relative;transition:.25s;flex-shrink:0}
.switch-row i::after{content:"";position:absolute;top:3px;left:3px;width:18px;height:18px;border-radius:50%;background:#fff;transition:.25s;box-shadow:0 1px 4px rgba(23,57,92,.25)}
.switch-row input:checked+i{background:var(--acc)}
.switch-row input:checked+i::after{left:23px}
.map-canvas{height:260px;border-radius:12px;border:1px solid var(--line2);background:#e8f2fe;z-index:1;position:relative}
#map-search-row{display:flex;gap:8px}
#map-search-row input{flex:1}
.coords-row{display:grid;grid-template-columns:1fr 1fr 2fr;gap:10px}
.safe-note{margin-top:14px;background:rgba(217,119,6,.07);border:1px solid rgba(217,119,6,.3);border-radius:12px;padding:14px 16px;color:var(--mut);font-size:13px;line-height:1.7}
.timeline{display:flex;flex-direction:column;gap:0}
.time-item{display:flex;gap:12px;padding:12px 4px;border-bottom:1px solid var(--line)}
.time-item:last-child{border-bottom:none}
.time-item i{width:9px;height:9px;border-radius:50%;background:var(--line2);margin-top:6px;flex-shrink:0}
.time-item.hit i{background:var(--acc);box-shadow:0 0 8px rgba(46,128,233,.55)}
.time-item b{font-size:14px;display:block;color:#14395f}
.time-item small{color:var(--mut);font-size:11.5px}
.time-item p{color:var(--mut);font-size:12.5px;margin-top:2px}
.empty{color:var(--mut);text-align:center;padding:30px 0;font-size:13px}
.list{display:flex;flex-direction:column;gap:10px}
.list-row{background:var(--card2);border:1px solid var(--line);border-radius:11px;padding:14px 16px;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.list-row .info b{font-size:14.5px;color:#14395f}
.list-row .info small{color:var(--mut);display:block;font-size:12px}
.list-row .ops{display:flex;gap:8px;align-items:center}
.pill{font-size:11px;padding:3px 10px;border-radius:99px}
.pill.act{background:rgba(21,157,106,.1);color:var(--ok)}
.pill.exp{background:rgba(217,119,6,.1);color:var(--warn)}
.pill.sus{background:rgba(229,72,77,.1);color:var(--bad)}
.pill.use{background:rgba(46,128,233,.1);color:var(--acc)}
.pill.avail{background:rgba(21,157,106,.08);color:var(--ok)}
.search{background:#fff;border:1px solid var(--line2);color:var(--tx);border-radius:9px;padding:9px 13px;font-size:13.5px;width:220px;outline:none}
.search:focus{border-color:var(--acc)}
.filter-row{display:flex;gap:8px;margin:12px 0}
.filter{background:#fff;border:1px solid var(--line2);color:var(--mut);border-radius:99px;padding:5px 14px;font-size:12.5px;cursor:pointer;transition:.2s}
.filter.active{border-color:var(--acc);color:var(--acc);background:rgba(46,128,233,.07)}
.make{display:flex;gap:12px;align-items:flex-end;flex-wrap:wrap;background:var(--card2);border:1px solid var(--line);border-radius:12px;padding:16px;margin-bottom:6px}
.make label{display:flex;flex-direction:column;gap:5px;font-size:12px;color:var(--mut)}
.make input{background:#fff;border:1px solid var(--line2);color:var(--tx);border-radius:8px;padding:8px 11px;font-size:13.5px;width:110px;outline:none}
.make input:focus{border-color:var(--acc)}
.codes{margin:14px 0;background:rgba(21,157,106,.05);border:1px solid rgba(21,157,106,.28);border-radius:12px;padding:16px}
.codes-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.codes-head b{font-size:13.5px;color:#14395f}
.codes pre{background:#f2fbf6;border:1px solid rgba(21,157,106,.2);border-radius:9px;padding:12px;font-size:13px;line-height:1.9;white-space:pre-wrap;word-break:break-all;color:#12805a}

/* ---------- 后台 ---------- */
.admin-body main{max-width:1060px;margin:0 auto;padding:26px 22px 60px}
.admin-head{display:flex;justify-content:space-between;align-items:flex-start;gap:14px;margin-bottom:22px;flex-wrap:wrap}
.admin-head h1{font-size:26px;margin:6px 0 2px;color:#123a63}
.admin-head p{color:var(--mut);font-size:13.5px}
.link-btn{color:var(--acc);text-decoration:none;font-size:14px}
.login-card{max-width:400px;margin:60px auto;text-align:center}
.auth-page{max-width:440px;margin:8vh auto;padding:34px}.auth-page h1{margin:26px 0 6px;color:#123a63}.auth-page>p{text-align:center;margin-top:18px}.captcha-row,.save-location-row{display:flex;gap:10px;align-items:center}.captcha-row input{flex:1}.captcha-code{min-width:110px;letter-spacing:8px;font-size:20px;font-weight:800;color:var(--acc);background:rgba(46,128,233,.07);border:1px dashed rgba(46,128,233,.6);border-radius:10px;padding:10px;cursor:pointer}.save-location-row{margin-top:12px}.save-location-row input{flex:1}.saved-locations{display:grid;gap:8px;margin-top:12px}.location-item{display:flex;align-items:center;gap:8px;padding:10px;border:1px solid var(--line2);border-radius:10px;flex-wrap:wrap;background:#fff}.location-item>span{flex:1;min-width:160px}.location-item small{display:block;color:var(--mut);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.card-code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:1px}
.login-icon{font-size:34px;color:var(--acc);margin-bottom:6px}
.stats6{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:20px}
.admin-tabs{display:flex;gap:8px;margin-bottom:16px;flex-wrap:wrap}
.admin-tabs button{background:#fff;border:1px solid var(--line2);color:var(--mut);border-radius:10px;padding:9px 18px;cursor:pointer;font-size:14px;transition:.2s}
.admin-tabs button.active{background:rgba(46,128,233,.1);border-color:var(--acc);color:var(--acc);font-weight:600}
.admin-pane{display:block}
.list.slim .list-row{padding:10px 14px}
.list-row .ops .ghost.small{padding:4px 10px;font-size:11.5px}

/* ---------- 响应式 ---------- */
@media(max-width:860px){
  .feature-grid,.landing-grid,.steps,.grid3,.stats6,.setting-grid{grid-template-columns:1fr 1fr}
  .client-layout{flex-direction:column}
  .client-nav{flex-direction:row;overflow-x:auto;min-width:0}
  .client-nav button{white-space:nowrap}
  .landing-hero h1{font-size:32px}
  .coords-row{grid-template-columns:1fr}
  .safety-grid{grid-template-columns:1fr}
}
@media(max-width:560px){
  .feature-grid,.landing-grid,.steps,.grid3,.stats6{grid-template-columns:1fr}
  .nav-links{display:none}
  .landing-nav{gap:12px}
  .hero-stats{gap:22px}
}
.weekday-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px}.weekday-row label{display:flex;align-items:center;gap:5px;padding:7px 10px;border:1px solid var(--line);border-radius:9px;background:#fff}
.schedule-list{display:grid;gap:12px;margin-top:16px}.schedule-card{display:flex;justify-content:space-between;gap:16px;align-items:center;padding:16px;border:1px solid var(--line);border-radius:14px;background:var(--card2)}.schedule-card small,.schedule-card p{display:block;margin-top:6px;color:var(--mut)}
.history-filter{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:14px}.history-filter select,.history-filter input{min-width:160px}.history-table{display:grid;gap:8px;margin-bottom:24px}.history-row{display:grid;grid-template-columns:1fr 1fr 1.2fr 1.6fr;gap:12px;padding:12px;border:1px solid var(--line);border-radius:12px;background:var(--card2)}.history-row small{display:block;color:var(--mut);margin-top:4px;word-break:break-all}
@media(max-width:760px){.schedule-card{align-items:flex-start;flex-direction:column}.history-row{grid-template-columns:1fr 1fr}.history-row>div:last-child{grid-column:1/-1}}