/* ============================================================
   论文查重网站 —— 科技感主题  深色 + 霓虹青紫
   ============================================================ */
:root{
    --bg:#070b18;
    --bg-2:#0c1230;
    --panel:rgba(18,26,58,.72);
    --panel-solid:#101a3d;
    --line:rgba(0,229,255,.18);
    --cyan:#00e5ff;
    --blue:#3b82f6;
    --purple:#8b5cf6;
    --text:#e6f0ff;
    --muted:#8aa0c8;
    --green:#22e6a4;
    --orange:#ffb340;
    --red:#ff5c7a;
    --grad:linear-gradient(135deg,#00e5ff 0%,#3b82f6 50%,#8b5cf6 100%);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
    font-family:"PingFang SC","Microsoft YaHei","Segoe UI",system-ui,sans-serif;
    color:var(--text);
    background:
        radial-gradient(1200px 600px at 80% -10%,rgba(139,92,246,.18),transparent 60%),
        radial-gradient(1000px 500px at 0% 0%,rgba(0,229,255,.14),transparent 55%),
        linear-gradient(180deg,#070b18 0%,#0a1026 100%);
    background-attachment:fixed;
    min-height:100vh;
    line-height:1.6;
}
/* 网格底纹 */
body::before{
    content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
    background-image:
        linear-gradient(rgba(0,229,255,.05) 1px,transparent 1px),
        linear-gradient(90deg,rgba(0,229,255,.05) 1px,transparent 1px);
    background-size:48px 48px;
    mask-image:radial-gradient(ellipse at 50% 0%,#000 30%,transparent 75%);
}
a{color:var(--cyan);text-decoration:none}
img{max-width:100%}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* ---------- 顶部导航 ---------- */
.site-header{
    position:sticky;top:0;z-index:100;
    backdrop-filter:blur(14px);
    background:rgba(7,11,24,.78);
    border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;color:#fff}
.logo .logo-mark{
    width:38px;height:38px;border-radius:10px;background:var(--grad);
    display:grid;place-items:center;color:#04101f;font-weight:900;
    box-shadow:0 0 18px rgba(0,229,255,.55);
}
.logo small{display:block;font-size:11px;color:var(--muted);font-weight:400;letter-spacing:2px}
.nav-menu{display:flex;gap:6px;list-style:none}
.nav-menu a{
    display:block;padding:9px 16px;border-radius:8px;color:var(--muted);
    font-size:15px;transition:.2s;
}
.nav-menu a:hover,.nav-menu a.active{color:#fff;background:rgba(0,229,255,.1)}
.nav-actions{display:flex;align-items:center;gap:10px}

/* ---------- 按钮 ---------- */
.btn{
    display:inline-flex;align-items:center;justify-content:center;gap:6px;
    padding:10px 22px;border-radius:9px;font-size:15px;font-weight:600;
    border:1px solid transparent;cursor:pointer;transition:.22s;white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#04122b;box-shadow:0 6px 22px rgba(0,229,255,.32)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(0,229,255,.5)}
.btn-ghost{background:transparent;color:var(--cyan);border-color:var(--line)}
.btn-ghost:hover{background:rgba(0,229,255,.08);border-color:var(--cyan)}
.btn-block{width:100%}
.btn-sm{padding:6px 14px;font-size:13px}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}

/* ---------- Hero ---------- */
.hero{padding:84px 0 60px;text-align:center;position:relative}
.hero .tag{
    display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:999px;
    border:1px solid var(--line);background:rgba(0,229,255,.06);
    color:var(--cyan);font-size:13px;margin-bottom:24px;
}
.hero .tag .pulse{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 0 rgba(34,230,164,.7);animation:pulse 1.8s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 10px rgba(34,230,164,0)}100%{box-shadow:0 0 0 0 rgba(34,230,164,0)}}
.hero h1{font-size:48px;line-height:1.2;font-weight:900;margin-bottom:18px;
    background:linear-gradient(90deg,#fff 20%,#9fd8ff 60%,#c9b6ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{font-size:18px;color:var(--muted);max-width:720px;margin:0 auto 34px}
.hero-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.hero-stats{display:flex;gap:48px;justify-content:center;margin-top:56px;flex-wrap:wrap}
.hero-stats .num{font-size:34px;font-weight:800;color:var(--cyan)}
.hero-stats .lbl{color:var(--muted);font-size:14px}

/* ---------- 玻璃卡片 ---------- */
.section{padding:64px 0}
.section-title{text-align:center;margin-bottom:44px}
.section-title h2{font-size:32px;font-weight:800}
.section-title p{color:var(--muted);margin-top:10px}
.glass{
    background:var(--panel);border:1px solid var(--line);border-radius:16px;
    backdrop-filter:blur(10px);
}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.feature-card{padding:30px 26px;transition:.25s}
.feature-card:hover{transform:translateY(-6px);border-color:var(--cyan);box-shadow:0 16px 40px rgba(0,229,255,.14)}
.feature-card .ico{
    width:52px;height:52px;border-radius:12px;display:grid;place-items:center;
    background:rgba(0,229,255,.1);border:1px solid var(--line);font-size:24px;margin-bottom:18px}
.feature-card h3{font-size:19px;margin-bottom:10px}
.feature-card p{color:var(--muted);font-size:14px}

/* ---------- 系统/价格卡片 ---------- */
.sys-card{padding:26px;display:flex;flex-direction:column;gap:14px;transition:.25s;position:relative;overflow:hidden}
.sys-card:hover{transform:translateY(-6px);border-color:var(--cyan)}
.sys-card .sys-name{font-size:20px;font-weight:800}
.sys-card .sys-desc{color:var(--muted);font-size:13px;min-height:40px}
.sys-card .sys-price{font-size:28px;font-weight:800;color:var(--cyan)}
.sys-card .sys-price small{font-size:13px;color:var(--muted);font-weight:400}
.sys-meta{display:flex;flex-wrap:wrap;gap:8px}
.chip{font-size:12px;padding:3px 10px;border-radius:999px;border:1px solid var(--line);color:var(--muted)}
.chip.hot{color:var(--orange);border-color:rgba(255,179,64,.4)}

/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.step{padding:26px;text-align:center;position:relative}
.step .n{
    width:46px;height:46px;margin:0 auto 14px;border-radius:50%;display:grid;place-items:center;
    background:var(--grad);color:#04122b;font-weight:900;font-size:18px}
.step h4{margin-bottom:8px}
.step p{font-size:13px;color:var(--muted)}

/* ---------- 表单 ---------- */
.auth-wrap{max-width:440px;margin:70px auto}
.auth-card{padding:38px 34px}
.auth-card h2{text-align:center;margin-bottom:6px;font-size:26px}
.auth-card .sub{text-align:center;color:var(--muted);font-size:14px;margin-bottom:28px}
.form-group{margin-bottom:18px}
.form-group label{display:block;font-size:14px;margin-bottom:7px;color:var(--text)}
.form-control{
    width:100%;padding:12px 14px;border-radius:9px;font-size:15px;color:var(--text);
    background:rgba(6,12,30,.7);border:1px solid var(--line);transition:.2s;
}
.form-control:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(0,229,255,.12)}
select.form-control{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--cyan) 50%),linear-gradient(135deg,var(--cyan) 50%,transparent 50%);background-position:calc(100% - 18px) 55%,calc(100% - 13px) 55%;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
textarea.form-control{min-height:160px;resize:vertical;font-family:inherit}
.form-row{display:flex;gap:14px}.form-row .form-group{flex:1}
.form-hint{font-size:12px;color:var(--muted);margin-top:5px}
.auth-foot{text-align:center;margin-top:22px;font-size:14px;color:var(--muted)}

/* ---------- 提示条 ---------- */
.alert{padding:12px 16px;border-radius:9px;font-size:14px;margin-bottom:18px;border:1px solid}
.alert-success{background:rgba(34,230,164,.1);border-color:rgba(34,230,164,.4);color:var(--green)}
.alert-error{background:rgba(255,92,122,.1);border-color:rgba(255,92,122,.4);color:var(--red)}
.alert-info{background:rgba(0,229,255,.08);border-color:var(--line);color:var(--cyan)}

/* ---------- 表格 ---------- */
.table-card{padding:8px 4px}
table.data{width:100%;border-collapse:collapse;font-size:14px}
table.data th,table.data td{padding:14px 16px;text-align:left;border-bottom:1px solid rgba(138,160,200,.12)}
table.data th{color:var(--muted);font-weight:600;font-size:13px;white-space:nowrap}
table.data tbody tr:hover{background:rgba(0,229,255,.04)}
.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px}
.badge-success{background:rgba(34,230,164,.14);color:var(--green)}
.badge-warning{background:rgba(255,179,64,.14);color:var(--orange)}
.badge-danger{background:rgba(255,92,122,.14);color:var(--red)}
.badge-info{background:rgba(0,229,255,.12);color:var(--cyan)}
.badge-muted{background:rgba(138,160,200,.16);color:var(--muted)}

/* ---------- 用户中心布局 ---------- */
.user-layout{display:grid;grid-template-columns:230px 1fr;gap:24px;margin:36px 0 60px}
.user-side{padding:20px;align-self:start;position:sticky;top:88px}
.user-side .uinfo{text-align:center;padding:10px 0 20px;border-bottom:1px solid var(--line);margin-bottom:14px}
.user-side .avatar{width:64px;height:64px;border-radius:50%;background:var(--grad);display:grid;place-items:center;font-size:26px;font-weight:800;color:#04122b;margin:0 auto 10px}
.user-side .lvl{font-size:12px;color:var(--cyan);margin-top:4px}
.user-side nav a{display:block;padding:10px 14px;border-radius:8px;color:var(--muted);font-size:14px;margin-bottom:4px}
.user-side nav a:hover,.user-side nav a.active{background:rgba(0,229,255,.1);color:#fff}
.user-main{min-width:0}
.user-main .panel{padding:26px}
.user-main h2{font-size:22px;margin-bottom:20px}
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}
.stat-box{padding:20px;border-radius:12px;background:var(--panel);border:1px solid var(--line)}
.stat-box .v{font-size:26px;font-weight:800;color:var(--cyan)}
.stat-box .k{font-size:13px;color:var(--muted)}

/* ---------- 提交页 ---------- */
.submit-wrap{display:grid;grid-template-columns:1fr 340px;gap:24px;margin:36px 0 60px;align-items:start}
.upload-zone{
    border:2px dashed var(--line);border-radius:14px;padding:44px 20px;text-align:center;
    cursor:pointer;transition:.2s;background:rgba(0,229,255,.03)}
.upload-zone:hover,.upload-zone.drag{border-color:var(--cyan);background:rgba(0,229,255,.08)}
.upload-zone .uz-ico{font-size:42px;margin-bottom:12px}
.upload-zone input{display:none}
.price-summary{padding:24px;position:sticky;top:88px}
.price-summary .line{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid rgba(138,160,200,.12);font-size:14px}
.price-summary .line.total{border:none;font-size:20px;font-weight:800;color:var(--cyan)}
.price-summary .line span:first-child{color:var(--muted)}

/* ---------- 报告 ---------- */
.report-head{display:flex;gap:24px;align-items:center;flex-wrap:wrap;margin-bottom:24px}
.gauge{width:130px;height:130px;border-radius:50%;display:grid;place-items:center;
    background:conic-gradient(var(--cyan) calc(var(--pct)*1%),rgba(138,160,200,.15) 0);position:relative}
.gauge::before{content:"";position:absolute;inset:12px;border-radius:50%;background:var(--panel-solid)}
.gauge b{position:relative;font-size:26px;z-index:1}
.gauge small{position:relative;z-index:1;display:block;font-size:11px;color:var(--muted);text-align:center}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--line);background:rgba(7,11,24,.8);padding:40px 0 26px;margin-top:60px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px;margin-bottom:26px}
.footer-grid h4{font-size:15px;margin-bottom:14px}
.footer-grid a{display:block;color:var(--muted);font-size:13px;margin-bottom:8px}
.footer-grid p{color:var(--muted);font-size:13px}
.copyright{text-align:center;color:var(--muted);font-size:13px;border-top:1px solid rgba(138,160,200,.12);padding-top:20px}

/* ---------- 分页 ---------- */
.pagination{display:flex;gap:8px;justify-content:center;margin-top:26px}
.pagination a,.pagination span{min-width:38px;height:38px;padding:0 10px;display:grid;place-items:center;border-radius:8px;border:1px solid var(--line);color:var(--muted)}
.pagination .active{background:var(--grad);color:#04122b;border-color:transparent;font-weight:700}

/* ---------- 弹窗/加载 ---------- */
.loading{display:inline-block;width:18px;height:18px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.empty{text-align:center;padding:50px;color:var(--muted)}

/* ---------- 优惠券卡片（前台） ---------- */
.coupon-list{display:grid;grid-template-columns:1fr;gap:16px}
.coupon-card{
    display:flex;border:1px solid var(--line);border-radius:14px;overflow:hidden;
    background:rgba(0,229,255,.04);position:relative;
}
.coupon-card .cc-face{
    width:130px;flex:none;display:flex;flex-direction:column;align-items:center;justify-content:center;
    background:var(--grad);color:#04122b;position:relative;
}
.coupon-card .cc-face::after{
    content:"";position:absolute;right:-7px;top:0;bottom:0;width:14px;
    background:radial-gradient(circle at 7px 10px,transparent 6px,var(--bg-2) 6.5px) 0 0/14px 20px;
}
.coupon-card .cc-face b{font-size:30px;font-weight:900;line-height:1}
.coupon-card .cc-face .cc-cur{font-size:15px;font-weight:800}
.coupon-card .cc-face .cc-type{margin-top:8px;font-size:12px;font-weight:700;background:rgba(4,18,43,.15);padding:2px 10px;border-radius:99px}
.coupon-card .cc-body{flex:1;padding:16px 18px;min-width:0}
.coupon-card .cc-name{font-size:16px;font-weight:800;margin-bottom:8px}
.coupon-card .cc-meta{list-style:none;color:var(--muted);font-size:13px;display:grid;gap:4px}
.coupon-card .cc-meta code{color:var(--cyan);background:rgba(0,229,255,.1);padding:1px 7px;border-radius:6px}
.coupon-card .cc-state{display:flex;align-items:center;gap:10px;margin-top:10px}
.coupon-card.is-off{opacity:.55}
.badge-green{background:rgba(34,230,164,.14);color:var(--green)}
.badge-red{background:rgba(255,92,122,.16);color:var(--red)}
.badge-gray{background:rgba(138,160,200,.16);color:var(--muted)}
.badge-purple{background:rgba(139,92,246,.18);color:#b79bff}
.badge-blue{background:rgba(59,130,246,.18);color:#7fb0ff}

/* ---------- 检测次数卡片（前台） ---------- */
.quota-list{display:grid;gap:16px}
.quota-card{border:1px solid var(--line);border-radius:14px;padding:18px 20px;background:rgba(0,229,255,.04)}
.quota-card.is-off{opacity:.55}
.quota-card .qc-head{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.quota-card .qc-scope{display:flex;align-items:center;gap:10px}
.quota-card .qc-num{font-size:14px;color:var(--muted)}
.quota-card .qc-num b{font-size:22px;color:var(--cyan);margin:0 2px}
.quota-card .qc-bar{height:8px;border-radius:99px;background:rgba(138,160,200,.15);margin:14px 0 10px;overflow:hidden}
.quota-card .qc-bar-in{height:100%;background:var(--grad);border-radius:99px;transition:width .4s}
.quota-card .qc-meta{display:flex;gap:18px;flex-wrap:wrap;font-size:13px;color:var(--muted)}
.quota-card .qc-toggle{
    margin-top:12px;background:none;border:1px solid var(--line);color:var(--cyan);
    border-radius:8px;padding:7px 14px;font-size:13px;cursor:pointer;
}
.quota-card .qc-toggle:hover{background:rgba(0,229,255,.08)}
.quota-card .qc-systems{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.quota-card .sys-tag{
    font-size:12px;padding:4px 12px;border-radius:99px;border:1px solid var(--line);
    color:var(--muted);background:rgba(0,229,255,.05);
}

/* ---------- 响应式 ---------- */
@media(max-width:960px){
    .grid-3,.grid-4,.steps{grid-template-columns:repeat(2,1fr)}
    .submit-wrap,.user-layout{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr 1fr}
    .nav-menu{display:none}
    .hero h1{font-size:34px}
    .stat-row{grid-template-columns:repeat(2,1fr)}
}
/* ============================================================
   一体化查重流程（第四轮）
   ============================================================ */
.check-flow{margin:30px 0 60px}

/* 步骤条 */
.flow-steps{display:flex;justify-content:center;gap:10px;margin-bottom:26px;flex-wrap:wrap}
.flow-step{display:flex;align-items:center;gap:10px;padding:10px 20px;border-radius:99px;
    background:rgba(138,160,200,.08);border:1px solid var(--line);color:var(--muted);
    font-size:14px;transition:.3s}
.flow-step .fs-n{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
    background:rgba(138,160,200,.2);font-weight:800;font-size:13px;color:var(--muted);transition:.3s}
.flow-step.active{color:#fff;border-color:var(--cyan);background:rgba(0,229,255,.1);
    box-shadow:0 0 22px rgba(0,229,255,.25)}
.flow-step.active .fs-n{background:var(--grad);color:#04122b;box-shadow:0 0 14px rgba(0,229,255,.6)}

/* 面板切换 */
.flow-pane{display:none}
.flow-pane.active{display:block;animation:fadeUp .35s ease}
@keyframes fadeUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}

/* 工具栏：搜索 + 专区 */
.sys-toolbar{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin-bottom:16px}
.sys-search-box{flex:1;min-width:240px;display:flex;align-items:center;gap:10px;
    padding:11px 16px;border-radius:12px;background:rgba(0,229,255,.05);border:1px solid var(--line)}
.sys-search-box:focus-within{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(0,229,255,.12)}
.sys-search-box input{flex:1;background:none;border:none;color:var(--text);font-size:14px}
.sys-search-box input:focus{outline:none}
.zone-tabs{display:flex;gap:8px;background:rgba(138,160,200,.08);padding:5px;border-radius:12px}
.zone-tab{padding:8px 18px;border-radius:9px;background:none;border:none;color:var(--muted);
    cursor:pointer;font-size:14px;transition:.25s}
.zone-tab.active{background:var(--grad);color:#04122b;font-weight:800}

/* 分类筛选 */
.cat-filter{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}
.cat-pill{padding:7px 16px;border-radius:99px;background:rgba(138,160,200,.08);
    border:1px solid var(--line);color:var(--muted);cursor:pointer;font-size:13px;transition:.2s}
.cat-pill.active{background:rgba(0,229,255,.14);border-color:var(--cyan);color:var(--cyan)}

/* 系统卡片网格 */
.flow-sys-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.flow-sys-card{position:relative;padding:20px;border-radius:14px;cursor:pointer;
    background:rgba(0,229,255,.04);border:1px solid var(--line);transition:.25s;display:block}
.flow-sys-card:hover{transform:translateY(-5px);border-color:var(--cyan);box-shadow:0 14px 34px rgba(0,229,255,.14)}
.flow-sys-card input{position:absolute;opacity:0;pointer-events:none}
.flow-sys-card.selected{border-color:var(--cyan);background:rgba(0,229,255,.1);
    box-shadow:0 0 0 2px rgba(0,229,255,.35),0 14px 34px rgba(0,229,255,.2)}
.flow-sys-card.selected::after{content:"✓";position:absolute;top:12px;right:12px;width:24px;height:24px;
    border-radius:50%;background:var(--grad);color:#04122b;display:grid;place-items:center;
    font-weight:900;font-size:13px}
.fsc-top{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.fsc-icon{width:44px;height:44px;border-radius:11px;flex:none;display:grid;place-items:center;
    font-size:22px;background:rgba(0,229,255,.1);border:1px solid var(--line)}
.fsc-name{font-size:16px;font-weight:800;line-height:1.35}
.fsc-tags{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:12px;min-height:24px}
.fsc-price{font-size:17px;font-weight:800;color:var(--cyan)}

/* 已选系统条 */
.picked-sys{display:flex;align-items:center;gap:14px;padding:16px 18px;border-radius:14px;
    background:rgba(0,229,255,.06);border:1px solid var(--line);margin-bottom:22px}
.picked-sys .fsc-icon{width:48px;height:48px}
.picked-sys>div{flex:1;min-width:0}

/* 上传进度条 */
.upload-progress{display:flex;align-items:center;gap:12px;margin-top:14px}
.up-bar{flex:1;height:8px;border-radius:99px;background:rgba(138,160,200,.18);overflow:hidden}
.up-bar-in{height:100%;width:0;background:var(--grad);border-radius:99px;transition:width .2s}

/* 确认面板 */
.confirm-panel{padding:28px;border-radius:16px;background:var(--panel);border:1px solid var(--line)}
.confirm-panel h3{margin-bottom:18px}
.confirm-panel .line{display:flex;justify-content:space-between;align-items:center;
    padding:11px 0;border-bottom:1px solid rgba(138,160,200,.12);font-size:14px}
.confirm-panel .line span:first-child{color:var(--muted)}
.confirm-panel .line.total{border:none;font-size:22px;font-weight:800;margin-top:6px}
.confirm-panel .line.total span:last-child{color:var(--cyan)}
.quota-box{margin:16px 0;padding:14px 16px;border-radius:12px;background:rgba(34,230,164,.08);
    border:1px solid rgba(34,230,164,.3)}
.quota-opt{display:flex;align-items:center;gap:10px;cursor:pointer;font-size:14px}
.pay-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.pay-opt{display:block}
.pay-opt input{position:absolute;opacity:0}
.pay-opt span{display:block;text-align:center;padding:13px 10px;border-radius:11px;
    border:1px solid var(--line);color:var(--muted);cursor:pointer;transition:.2s;font-size:14px}
.pay-opt input:checked+span{border-color:var(--cyan);color:#fff;background:rgba(0,229,255,.1)}

/* 步骤导航 */
.flow-nav{display:flex;justify-content:space-between;gap:14px;margin-top:22px}

/* 支付弹窗 */
.pay-modal-mask{position:fixed;inset:0;z-index:1000;display:grid;place-items:center;padding:20px;
    background:rgba(4,8,20,.72);backdrop-filter:blur(6px);animation:fadeUp .25s ease}
.pay-modal{width:380px;max-width:100%;padding:30px 26px;text-align:center;border-radius:18px}
.pay-modal h3{margin-bottom:18px}
.pay-qr{width:230px;height:230px;border-radius:12px;background:#fff;padding:10px}
.pay-amount{font-size:30px;font-weight:900;color:var(--cyan);margin:16px 0 6px}
.pay-modal-btns{display:flex;gap:10px;justify-content:center;margin-top:18px;flex-wrap:wrap}

@media(max-width:960px){
    .flow-sys-grid{grid-template-columns:repeat(2,1fr)}
    .pay-grid{grid-template-columns:1fr}
}
@media(max-width:600px){
    .flow-sys-grid{grid-template-columns:1fr}
    .flow-step .fs-t{display:none}
    .flow-step{padding:8px 14px}
}

/* ===== 提交方式切换（文件/粘贴） ===== */
.submit-type-tabs{display:flex;gap:8px;margin-bottom:14px}
.submit-type-tabs .stt{padding:8px 20px;border:1px solid rgba(120,150,255,.35);background:rgba(255,255,255,.04);
    color:var(--muted);border-radius:10px;cursor:pointer;transition:all .2s}
.submit-type-tabs .stt.active{background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;border-color:transparent}

/* ===== 微信绑定 ===== */
.wx-bind-wrap{display:flex;gap:24px;align-items:flex-start;flex-wrap:wrap}
.wx-qr-box{text-align:center;flex:0 0 auto}
.wx-qr-img{width:160px;height:160px;object-fit:cover;border-radius:12px;background:#fff;padding:8px}
.wx-bind-info{flex:1;min-width:240px}
.bindcode-row{display:flex;align-items:center;gap:10px}
.bind-code{font-size:26px;letter-spacing:6px;font-weight:700;
    background:linear-gradient(135deg,var(--primary),var(--primary2));
    -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.wx-bind-info code{background:rgba(120,150,255,.15);padding:2px 8px;border-radius:6px;font-size:13px}

/* ===== 侧边栏优惠券卡片 ===== */
.side-coupon{display:flex;align-items:center;gap:10px;margin-top:14px;padding:12px;border-radius:12px;
    text-decoration:none;position:relative;
    background:linear-gradient(135deg,rgba(255,120,150,.18),rgba(120,120,255,.18));
    border:1px solid rgba(255,150,180,.3);transition:transform .2s}
.side-coupon:hover{transform:translateY(-2px)}
.side-coupon .sc-ico{font-size:24px}
.side-coupon .sc-txt{display:flex;flex-direction:column;gap:2px;flex:1}
.side-coupon .sc-txt b{color:var(--text);font-size:14px}
.side-coupon .sc-txt small{color:var(--muted);font-size:12px}
.side-coupon .sc-badge{background:linear-gradient(135deg,#ff6b8b,#ff8f5e);color:#fff;font-size:12px;
    min-width:22px;height:22px;border-radius:11px;display:flex;align-items:center;justify-content:center;padding:0 6px}