/* ============================================================
   模度 MODU SaaS — 全局样式（现代大厂风格，响应式）
   ============================================================ */
:root{
  --brand:#2563eb; --brand-2:#7c3aed; --brand-grad:linear-gradient(120deg,#2563eb,#7c3aed);
  --ink:#0f172a; --ink-2:#334155; --muted:#64748b; --line:#e2e8f0;
  --bg:#f8fafc; --white:#fff; --ok:#16a34a; --warn:#f59e0b; --danger:#dc2626;
  --shadow:0 10px 30px rgba(15,23,42,.08); --shadow-sm:0 2px 8px rgba(15,23,42,.06);
  --radius:14px; --radius-sm:10px;
  --sidebar:248px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased;
  overflow-x:clip}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
/* 容器：两侧留白随视口流动，任何宽度都不会贴边、也不会出现横向滚动 */
.container{width:min(1160px,calc(100% - clamp(28px,5vw,48px)));margin:0 auto}
.muted{color:var(--muted)}
.center{text-align:center}
.hidden{display:none!important}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 22px;border-radius:999px;
  font-weight:600;font-size:15px;border:none;cursor:pointer;transition:.2s;white-space:nowrap}
.btn-primary{background:var(--brand-grad);color:#fff;box-shadow:0 8px 20px rgba(37,99,235,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(37,99,235,.45)}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-sm{padding:7px 14px;font-size:13px}
.btn-danger{background:#fff;color:var(--danger);border:1px solid #fecaca}
.btn-danger:hover{background:#fef2f2}
.btn-block{width:100%;justify-content:center}

/* ---------- 顶部导航（官网） ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.85);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:14px;height:64px;
  position:relative}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px}
.logo .mark{width:30px;height:30px;border-radius:9px;background:var(--brand-grad);
  display:grid;place-items:center;color:#fff;font-size:16px}

/* 品牌字标：中文名在上、英文名在下，字号随父级 font-size 缩放 */
.lg-txt{display:flex;flex-direction:column;line-height:1.1;min-width:0}
.lg-txt b{font-size:1em;font-weight:800;letter-spacing:.04em}
.lg-txt i{font-style:normal;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:.54em;font-weight:700;letter-spacing:.22em;color:var(--muted);margin-top:1px}
.mark svg{width:56%;height:56%;display:block}
.sidebar .brand .lg-txt i{letter-spacing:.06em;color:rgba(255,255,255,.7)}
.f-cat{font-size:12.5px;color:#93a6bd;letter-spacing:.03em;margin:-2px 0 10px}
.nav-links{display:flex;gap:28px;align-items:center}
.nav-links a{color:var(--ink-2);font-weight:500;font-size:15px}
.nav-links a:hover{color:var(--brand)}
.nav-cta{display:flex;gap:12px;align-items:center}
.menu-toggle{display:none;font-size:24px;background:none;border:none;cursor:pointer}

/* ---------- Hero ---------- */
.hero{padding:clamp(40px,7vw,84px) 0 clamp(34px,5vw,64px);background:
  radial-gradient(900px 400px at 80% -10%,rgba(124,58,237,.16),transparent),
  radial-gradient(800px 380px at 0% 10%,rgba(37,99,235,.14),transparent)}
.hero h1{font-size:clamp(28px,4.2vw,50px);line-height:1.18;letter-spacing:-.5px;font-weight:800}
.hero .grad{background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:18px;color:var(--ink-2);margin:20px 0 30px;max-width:640px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{display:flex;gap:36px;margin-top:46px;flex-wrap:wrap}
.hero-stats .num{font-size:30px;font-weight:800;background:var(--brand-grad);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.hero-stats .lbl{color:var(--muted);font-size:14px}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}

/* 右侧 demo 卡片 */
.hero-card{background:#fff;border-radius:18px;box-shadow:var(--shadow);padding:18px;border:1px solid var(--line)}
.hero-card .bar{display:flex;gap:6px;margin-bottom:12px}
.hero-card .bar i{width:11px;height:11px;border-radius:50%;display:inline-block}
.dot-r{background:#ff5f56}.dot-y{background:#ffbd2e}.dot-g{background:#27c93f}
.hero-card .row{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px dashed var(--line);font-size:14px}
.hero-card .row:last-child{border:none}
.tag{display:inline-block;padding:2px 9px;border-radius:999px;font-size:12px;font-weight:600}
.tag-grad{background:rgba(124,58,237,.12);color:#6d28d9}
.tag-blue{background:rgba(37,99,235,.12);color:var(--brand)}

/* ---------- 区块 ---------- */
.section{padding:clamp(40px,6.4vw,72px) 0}
.section.alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-title{text-align:center;max-width:680px;margin:0 auto clamp(24px,3.4vw,44px)}
.section-title h2{font-size:clamp(22px,3.2vw,38px);font-weight:800;letter-spacing:-.4px;line-height:1.35}
.section-title p{color:var(--muted);margin-top:12px;font-size:clamp(13.5px,.4vw + 12px,16px)}

/* 特性网格 */
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.feat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.2s}
.feat:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cbd5e1}
.feat .ic3d{margin-bottom:14px}
.feat h3{font-size:18px;margin-bottom:8px}
.feat p{color:var(--ink-2);font-size:14.5px}

/* 三件套联动图 */
.link-flow{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:10px}
.link-node{background:linear-gradient(160deg,#fff,#f1f5f9);border:1px solid var(--line);
  border-radius:var(--radius);padding:24px;text-align:center}
.link-node .big{font-size:34px}
.link-node h4{margin:8px 0 6px;font-size:17px}
.link-node p{font-size:13.5px;color:var(--muted)}
.link-arrow{display:grid;place-items:center;font-size:26px;color:var(--brand)}

/* 定价 */
.price-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;align-items:stretch}
.price{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 22px;
  display:flex;flex-direction:column;position:relative}
.price.featured{border-color:var(--brand);box-shadow:var(--shadow);transform:translateY(-6px)}
.price .ribbon{position:absolute;top:-12px;left:50%;transform:translateX(-50%);
  background:var(--brand-grad);color:#fff;font-size:12px;font-weight:700;padding:4px 14px;border-radius:999px}
.price h3{font-size:20px}
.price .price-num{font-size:34px;font-weight:800;margin:10px 0 2px}
.price .price-num small{font-size:14px;color:var(--muted);font-weight:500}
.price ul{list-style:none;margin:16px 0;flex:1}
.price li{padding:7px 0 7px 26px;position:relative;font-size:14px;color:var(--ink-2)}
.price li:before{content:"✓";position:absolute;left:0;color:var(--ok);font-weight:800}
.price li.off{color:#94a3b8}
.price li.off:before{content:"—";color:#cbd5e1}

/* FAQ */
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:18px 22px;margin-bottom:12px}
/* 问题用块级排版 + 右侧留出图标位，长问题换行时不会绕到「+」下面 */
.faq-item h4{font-size:16px;line-height:1.55;display:block;position:relative;
  padding-right:32px;cursor:pointer}
.faq-item h4 span{position:absolute;right:0;top:0;font-size:18px;font-weight:600;
  color:var(--muted);transition:transform .18s,color .18s}
.faq-item:not(.collapsed) h4 span{color:var(--brand)}
.faq-item p{color:var(--ink-2);font-size:14.5px;margin-top:8px}

/* 表单 */
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:6px;color:var(--ink-2)}
.field input,.field select,.field textarea{width:100%;padding:11px 13px;border:1px solid var(--line);
  border-radius:var(--radius-sm);font-size:15px;font-family:inherit;background:#fff;transition:.15s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(37,99,235,.12)}
.card-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;
  box-shadow:var(--shadow-sm)}
.auth-wrap{min-height:calc(100vh - 64px);display:grid;place-items:center;padding:40px 0;
  background:radial-gradient(700px 360px at 50% -10%,rgba(37,99,235,.12),transparent)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:0;max-width:980px;width:92vw;
  background:#fff;border-radius:18px;overflow:hidden;box-shadow:var(--shadow)}
.split .left{background:var(--brand-grad);color:#fff;padding:48px;display:flex;flex-direction:column;justify-content:center}
.split .left h2{font-size:28px;margin-bottom:14px}
.split .left p{opacity:.92}
.split .right{padding:44px}
.split .left .auth-en{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11.5px;
  letter-spacing:.2em;opacity:.72;margin:-8px 0 16px;text-transform:uppercase}

/* 页脚 */
.footer{background:#0f172a;color:#cbd5e1;padding:54px 0 30px;margin-top:0}
.footer a{color:#cbd5e1}
.footer .cols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:30px}
.footer h5{color:#fff;font-size:15px;margin-bottom:14px}
.footer ul{list-style:none}
.footer li{padding:5px 0;font-size:14px}
.footer .bottom{border-top:1px solid #1e293b;margin-top:34px;padding-top:20px;font-size:13px;color:#94a3b8}

/* 提示 */
.alert{padding:12px 16px;border-radius:var(--radius-sm);font-size:14px;margin-bottom:16px}
.alert-ok{background:#ecfdf5;color:#065f46;border:1px solid #a7f3d0}
.alert-warn{background:#fffbeb;color:#92400e;border:1px solid #fde68a}
.alert-err{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}
.alert-info{background:#eff6ff;color:#1e40af;border:1px solid #bfdbfe}

/* ============================================================
   后台通用（管理后台 / 商户后台）
   ============================================================ */
.app-shell{display:flex;min-height:100vh}
.sidebar{width:var(--sidebar);background:#0f172a;color:#cbd5e1;position:fixed;top:0;bottom:0;
  left:0;padding:20px 14px;display:flex;flex-direction:column;overflow-y:auto}
.sidebar .brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;
  padding:6px 10px 18px}
.sidebar .brand .mark{width:30px;height:30px;border-radius:9px;background:var(--brand-grad);
  display:grid;place-items:center;color:#fff}
.side-group{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:#64748b;
  padding:14px 12px 6px}
.side-link{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;
  color:#cbd5e1;font-size:14.5px;margin-bottom:2px;transition:.15s}
.side-link:hover{background:#1e293b;color:#fff}
.side-link.active{background:var(--brand-grad);color:#fff}
.side-link .em{width:20px;text-align:center}

/* ---------- 二级菜单（可折叠） ---------- */
.nav-parent>.side-parent{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;
  color:#cbd5e1;font-size:14.5px;margin-bottom:2px;cursor:pointer;transition:.15s;user-select:none}
.nav-parent>.side-parent:hover{background:#1e293b;color:#fff}
.nav-parent.has-active>.side-parent{color:#fff;font-weight:600}
.nav-parent .caret{margin-left:auto;font-size:9px;color:#64748b;transition:transform .18s;line-height:1}
.nav-parent.open>.side-parent .caret{transform:rotate(180deg);color:#94a3b8}
.side-sub{display:none;padding:1px 0 6px}
.nav-parent.open .side-sub{display:block}
.side-sub-link{display:block;padding:7px 12px 7px 44px;color:#94a3b8;font-size:13.5px;
  border-radius:8px;margin:1px 6px;transition:.15s;position:relative}
.side-sub-link:hover{color:#e2e8f0;background:rgba(148,163,184,.12)}
.side-sub-link.active{color:#fff;background:rgba(99,102,241,.26);font-weight:600}
.side-sub-link.active::before{content:"";position:absolute;left:26px;top:50%;transform:translateY(-50%);
  width:5px;height:5px;border-radius:50%;background:#818cf8}
.side-foot{margin-top:auto;font-size:12px;color:#64748b;padding:12px}
.main{flex:1;margin-left:var(--sidebar);background:var(--bg);min-width:0}
.topbar{height:62px;background:#fff;border-bottom:1px solid var(--line);display:flex;
  align-items:center;justify-content:space-between;padding:0 26px;position:sticky;top:0;z-index:20}
.topbar .page-title{font-weight:700;font-size:18px}
.topbar .user{display:flex;align-items:center;gap:12px;font-size:14px}
.topbar .avatar{width:34px;height:34px;border-radius:50%;background:var(--brand-grad);
  color:#fff;display:grid;place-items:center;font-weight:700}
.content{padding:26px}
.page-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:20px;gap:16px;flex-wrap:wrap}
.page-head h2{font-size:22px}
.page-head p{color:var(--muted);font-size:14px;margin-top:4px}

/* 卡片与统计 */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.stat .n{font-size:28px;font-weight:800}
.stat .l{color:var(--muted);font-size:13.5px;margin-top:4px}
.stat .ic3d{margin:2px 0 12px}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;margin-bottom:20px}
.panel h3{font-size:16px;margin-bottom:14px}

/* 表格 */
.table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line)}
.table th,.table td{padding:12px 14px;text-align:left;font-size:14px;border-bottom:1px solid var(--line)}
.table th{background:#f8fafc;color:var(--ink-2);font-weight:600;white-space:nowrap}
.table tr:last-child td{border-bottom:none}
.table tbody tr:hover{background:#f8fafc}
.table .actions{display:flex;gap:8px;flex-wrap:wrap}

/* 徽章 */
.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600}
.b-ok{background:#dcfce7;color:#166534}.b-warn{background:#fef3c7;color:#92400e}
.b-danger{background:#fee2e2;color:#991b1b}.b-info{background:#dbeafe;color:#1e40af}
.b-gray{background:#f1f5f9;color:#475569}.b-purple{background:#ede9fe;color:#6d28d9}

/* 表单行（后台） */
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:20px}

/* 开关 */
.switch{position:relative;display:inline-block;width:44px;height:24px}
.switch input{display:none}
.slider{position:absolute;inset:0;background:#cbd5e1;border-radius:999px;cursor:pointer;transition:.2s}
.slider:before{content:"";position:absolute;width:18px;height:18px;background:#fff;border-radius:50%;
  top:3px;left:3px;transition:.2s}
.switch input:checked + .slider{background:var(--brand)}
.switch input:checked + .slider:before{transform:translateX(20px)}

/* 进度条 */
.progress{height:10px;background:#e2e8f0;border-radius:999px;overflow:hidden}
.progress > span{display:block;height:100%;background:var(--brand-grad);border-radius:999px}

/* 代码块 */
.code{background:#0f172a;color:#e2e8f0;border-radius:var(--radius-sm);padding:16px;
  font-family:"SFMono-Regular",Consolas,monospace;font-size:13px;overflow:auto;white-space:pre}
.code-tabs{display:flex;gap:8px;margin-bottom:10px}
.code-tab{padding:6px 14px;border:1px solid var(--line);border-radius:999px;font-size:13px;cursor:pointer;background:#fff}
.code-tab.active{background:var(--brand);color:#fff;border-color:var(--brand)}

/* 分页 */
.pager{display:flex;gap:8px;justify-content:center;margin-top:18px}
.pager a{padding:7px 13px;border:1px solid var(--line);border-radius:8px;font-size:14px;background:#fff}
.pager a.active{background:var(--brand);color:#fff;border-color:var(--brand)}

/* 响应式（后台外壳；前台细化规则见文件末尾「响应式总控层」） */
@media(max-width:980px){
  .stat-grid,.form-row,.two-col,.split{grid-template-columns:1fr}
  .split .left{display:none}
  .sidebar{transform:translateX(-100%);transition:.25s;z-index:60}
  .sidebar.open{transform:none}
  .main{margin-left:0}
}

/* ============================================================
   立体图标系统（渐变磁贴 + 顶部高光 + 投影 + 白色线性字形）
   用法：<span class="ic3d c-blue"><svg><use href="#i-xxx"/></svg></span>
   尺寸：.ic-sm(后台菜单) .ic-xs(行内) ；颜色：.c-blue/.c-purple/.c-green/...
   ============================================================ */
.ic3d{position:relative;width:48px;height:48px;border-radius:14px;overflow:hidden;
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
  background:linear-gradient(150deg,var(--c1,#3b82f6),var(--c2,#1d4ed8));
  box-shadow:0 10px 18px -6px rgba(15,23,42,.30),
             inset 0 1px 1px rgba(255,255,255,.55),
             inset 0 -3px 6px rgba(0,0,0,.16)}
.ic3d::after{content:"";position:absolute;top:0;left:0;right:0;height:46%;
  background:linear-gradient(180deg,rgba(255,255,255,.30),rgba(255,255,255,0));
  pointer-events:none}
.ic3d svg{width:24px;height:24px;position:relative;z-index:1;
  fill:none;stroke:#fff;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.ic3d svg [fill="#fff"]{fill:#fff;stroke:none}

/* 颜色变体 */
.c-blue{--c1:#60a5fa;--c2:#2563eb}
.c-indigo{--c1:#818cf8;--c2:#4f46e5}
.c-purple{--c1:#c084fc;--c2:#7c3aed}
.c-green{--c1:#4ade80;--c2:#16a34a}
.c-teal{--c1:#22d3ee;--c2:#0891b2}
.c-orange{--c1:#fbbf24;--c2:#ea580c}
.c-pink{--c1:#f472b6;--c2:#db2777}
.c-rose{--c1:#fb7185;--c2:#e11d48}
.c-slate{--c1:#94a3b8;--c2:#475569}

/* 尺寸变体 */
.ic3d.ic-sm{width:30px;height:30px;border-radius:9px}
.ic3d.ic-sm svg{width:17px;height:17px}
.ic3d.ic-xs{width:22px;height:22px;border-radius:7px}
.ic3d.ic-xs svg{width:13px;height:13px}
.ic3d.ic-lg{width:56px;height:56px;border-radius:16px}
.ic3d.ic-lg svg{width:30px;height:30px}

/* 首页 hero 卡片内的行内图标 */
.icrow{display:inline-flex;align-items:center;gap:8px}
.hero-card .row .icrow{font-weight:600}

/* 三件套联动大节点里的图标 */
.link-node .ic3d{margin:0 auto 10px}

/* ===== 后台组件补充（三端联动模块） ===== */
.badge.b-green{background:#dcfce7;color:#166534}
.badge.b-blue{background:#dbeafe;color:#1e40af}
.badge.b-orange{background:#ffedd5;color:#9a3412}
.badge.b-red{background:#fee2e2;color:#991b1b}
.badge.b-purple{background:#ede9fe;color:#6d28d9}

.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.panel-head h3{font-size:16px;margin:0}
.ops a{margin-right:10px;color:var(--brand);font-size:13px;white-space:nowrap}
.ops a.danger{color:var(--danger)}
.form-actions{display:flex;gap:10px;margin-top:8px;flex-wrap:wrap}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.mat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:12px}
.mat{border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff}
.mat img{width:100%;height:90px;object-fit:cover;display:block}
.mat .mid{font-size:11px;color:#64748b;padding:4px 6px}
@media(max-width:980px){.grid-2{grid-template-columns:1fr}}

/* ============================================================
   后台排版层：字号 / 行高 / 间距 / 层次
   只作用于 .app-shell，不影响官网落地页
   ============================================================ */
.app-shell{font-size:15.5px;-webkit-font-smoothing:antialiased;--line:#cbd5e1}
.app-shell .content{padding:28px 32px 56px}
.app-shell .page-title{font-size:19px;letter-spacing:-.2px}
.app-shell .page-head{margin-bottom:26px;align-items:center;gap:20px}
.app-shell .page-head h2{font-size:26px;font-weight:800;letter-spacing:-.6px;line-height:1.35;color:#0d1726}
.app-shell .page-head p{font-size:15px;color:#6b7a90;line-height:1.78;margin-top:7px;max-width:820px}
.app-shell .muted{color:#7b8a9e}

/* 卡片：更柔的边框 + 层次阴影 */
.app-shell .panel{padding:24px 26px;border-radius:18px;border-color:#cbd5e1;
  box-shadow:0 1px 2px rgba(15,23,42,.03),0 14px 32px -26px rgba(15,23,42,.35)}
.app-shell .panel h3{font-size:18px;font-weight:800;letter-spacing:-.2px;color:#16202f}
.app-shell .panel-head{margin-bottom:20px;padding-bottom:15px;border-bottom:1px solid #dbe3ee}
.app-shell .panel-head h3{font-size:18px}
.app-shell .panel-head .muted{font-size:13.5px}

/* 统计卡 */
.app-shell .stat{padding:22px;border-radius:16px;border-color:#cbd5e1}
.app-shell .stat .n{font-size:32px;letter-spacing:-1.2px;line-height:1.2}
.app-shell .stat .l{font-size:14px;color:#7b8a9e}

/* 表格 */
.app-shell .table{font-size:14.5px}
.app-shell .table th{font-size:13.5px;letter-spacing:.3px;padding:13px 16px;color:#5b6a80}
.app-shell .table td{padding:15px 16px;color:#33415c;line-height:1.7;
  border-bottom-color:#dbe3ee}
.app-shell .table th{border-bottom-color:#cbd5e1}
.app-shell .table{border:1px solid #cbd5e1}
.app-shell .ops a{font-size:13.5px;margin-right:12px}

/* 表单 */
.app-shell .field{margin-bottom:18px}
.app-shell .field label{font-size:14px;color:#44546b;margin-bottom:8px;letter-spacing:.1px}
.app-shell .field input,.app-shell .field select,.app-shell .field textarea{
  font-size:15px;padding:12px 14px;border-radius:11px;border-color:#bcc9da;background:#fff;
  transition:.18s;font-family:inherit}
.app-shell .field input:focus,.app-shell .field select:focus,.app-shell .field textarea:focus{
  border-color:#93b4fb;background:#fff;box-shadow:0 0 0 3px rgba(37,99,235,.1)}
.app-shell .field small{display:block;margin-top:6px;color:#8d9bb0;font-size:12.5px;line-height:1.65}

/* 按钮 */
.app-shell .btn{font-size:15px;padding:11px 20px}
.app-shell .btn-sm{font-size:13.5px;padding:7px 14px}
/* 没写修饰类的 .btn（返回 / 预览 / 次要动作）补成描边按钮，避免渲染成一串裸文字 */
.app-shell .btn:not([class*="btn-"]){background:#fff;border:1px solid #cbd5e1;color:#334155;
  box-shadow:0 1px 2px rgba(15,23,42,.04)}
.app-shell .btn:not([class*="btn-"]):hover{border-color:#93b4fb;color:#2563eb;background:#f8fbff;
  transform:translateY(-1px);box-shadow:0 6px 16px -8px rgba(37,99,235,.5)}

/* 徽章 / 提示 */
.app-shell .badge{font-size:12.5px;padding:4px 10px;letter-spacing:.2px}
.app-shell .alert{border-radius:13px;font-size:14.5px;padding:14px 17px;line-height:1.72;
  box-shadow:0 1px 2px rgba(15,23,42,.03)}

/* 侧边栏 */
.app-shell .side-group{font-size:11px;letter-spacing:.14em;color:#7b8798;padding:16px 14px 7px}
.app-shell .side-link,.app-shell .nav-parent>.side-parent{font-size:15px;padding:11px 13px}
.app-shell .side-sub-link{font-size:14px;padding:8px 12px 8px 46px}

/* ============================================================
   官网新版宣传块（公告条 / 更新亮点 / 模块盘点 / 更新日志）
   ============================================================ */
.grad{background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* 顶部公告条 */
.announce{display:flex;align-items:center;gap:14px;justify-content:center;
  padding:9px 16px;font-size:13.5px;color:#fff;background:linear-gradient(90deg,#1d4ed8,#7c3aed 55%,#db2777)}
.announce:hover{filter:brightness(1.06)}
.announce .an-tag{background:rgba(255,255,255,.22);border:1px solid rgba(255,255,255,.4);
  border-radius:999px;padding:2px 10px;font-weight:700;white-space:nowrap;letter-spacing:.02em}
.announce .an-txt{opacity:.96;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.announce .an-txt b{font-weight:800}
.announce .an-go{font-weight:700;white-space:nowrap;border-bottom:1px solid rgba(255,255,255,.5)}

/* 更新亮点三卡 */
.newgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.newcard{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px 24px;
  box-shadow:0 18px 40px -32px rgba(15,23,42,.45);position:relative;overflow:hidden;transition:.2s}
.newcard::before{content:"";position:absolute;inset:0 0 auto 0;height:4px;background:var(--brand-grad)}
.newcard:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c7d2fe}
.nc-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.pill-new{background:rgba(220,38,127,.1);color:#be185d;border:1px solid #fbcfe8;
  border-radius:999px;padding:2px 10px;font-size:12px;font-weight:800;letter-spacing:.02em}
.nc-ver{font-size:12px;color:#94a3b8;font-weight:700;font-family:monospace}
.newcard h3{font-size:19px;font-weight:800;letter-spacing:-.2px;margin-bottom:8px}
.nc-hook{font-size:14px;color:var(--ink-2);line-height:1.75;margin-bottom:14px}
.newcard ul{list-style:none}
.newcard li{position:relative;padding:6px 0 6px 22px;font-size:13.5px;color:#475569;line-height:1.65}
.newcard li::before{content:"✓";position:absolute;left:0;top:6px;color:var(--ok);font-weight:800}
.nc-where{margin-top:14px;padding-top:12px;border-top:1px dashed var(--line);
  font-size:12.5px;color:#8d9bb0;font-family:monospace}

/* 模块盘点 */
.catgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.catcard{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;
  border-top:3px solid var(--c,#2563eb)}
.cc-head{display:flex;align-items:center;justify-content:space-between}
.cc-head b{font-size:16.5px;letter-spacing:-.2px}
.cc-num{font-size:12px;font-weight:800;color:var(--c,#2563eb);background:rgba(37,99,235,.08);
  border-radius:999px;padding:2px 9px;min-width:26px;text-align:center}
.cc-desc{font-size:13px;color:var(--muted);margin:8px 0 12px;line-height:1.6}
.cc-mods{display:flex;flex-wrap:wrap;gap:6px}
.cc-m{font-size:12.5px;color:#475569;background:#f1f5f9;border:1px solid var(--line);
  border-radius:8px;padding:3px 8px;white-space:nowrap}
.cc-m.more{color:#2563eb;background:#eff6ff;border-color:#dbeafe;font-weight:700}

.mkpi{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:22px;
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px 10px}
.mkpi div{text-align:center;border-right:1px solid var(--line)}
.mkpi div:last-child{border-right:none}
.mkpi b{display:block;font-size:26px;font-weight:800;letter-spacing:-.8px;
  background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.mkpi span{font-size:12.5px;color:var(--muted)}

/* 更新日志时间线 */
.upd-wrap{max-width:880px;margin:0 auto}
.upd{position:relative;padding:0 0 34px 30px;border-left:2px solid var(--line)}
.upd:last-child{border-left-color:transparent;padding-bottom:0}
.upd::before{content:"";position:absolute;left:-8px;top:4px;width:14px;height:14px;border-radius:50%;
  background:#fff;border:3px solid #cbd5e1}
.upd.hot::before{border-color:var(--brand-2);box-shadow:0 0 0 4px rgba(124,58,237,.15)}
.upd-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:6px}
.upd-head .v{font-family:monospace;font-weight:800;font-size:13px;color:#7c3aed}
.upd-head .d{font-size:12.5px;color:#94a3b8}
.upd h3{font-size:20px;font-weight:800;letter-spacing:-.3px;margin:2px 0 8px}
.upd .hook{font-size:14.5px;color:var(--ink-2);line-height:1.78;margin-bottom:12px}
.upd ul{list-style:none}
.upd li{position:relative;padding:5px 0 5px 22px;font-size:14px;color:#475569}
.upd li::before{content:"›";position:absolute;left:4px;top:4px;color:var(--brand);font-weight:800}
.upd .where{display:inline-block;margin-top:10px;font-size:12.5px;color:#5b6a80;
  background:#f1f5f9;border:1px solid var(--line);border-radius:8px;padding:4px 10px;
  font-family:monospace}

/* 三类入口说明 */
.entry3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.entry3 .e{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px}
.entry3 .e b{display:block;font-size:15.5px;margin-bottom:6px}
.entry3 .e span{font-size:13.5px;color:var(--ink-2);line-height:1.7}
.entry3 .e i{font-style:normal;display:inline-block;font-size:11.5px;font-weight:800;
  border-radius:6px;padding:2px 8px;margin-bottom:10px}
.entry3 .e.i1 i{background:#eff6ff;color:#1d4ed8}
.entry3 .e.i2 i{background:#f5f3ff;color:#6d28d9}
.entry3 .e.i3 i{background:#ecfdf5;color:#047857}

/* 模块清单表 */
.mlist{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);
  border-radius:14px;overflow:hidden}
.mlist th,.mlist td{padding:11px 14px;text-align:left;font-size:13.5px;border-bottom:1px solid var(--line)}
.mlist th{background:#f8fafc;color:#5b6a80;font-size:12.5px;letter-spacing:.3px;font-weight:700}
.mlist tr:last-child td{border-bottom:none}
.mlist td.nm{font-weight:700;color:var(--ink)}
.mlist td.nm em{font-style:normal;margin-right:7px}
.mlist td.ds{color:var(--ink-2);line-height:1.6}
.mlist .k{font-size:11.5px;font-weight:800;border-radius:6px;padding:2px 8px;white-space:nowrap}
.mlist .k.page{background:#eff6ff;color:#1d4ed8}
.mlist .k.block{background:#f5f3ff;color:#6d28d9}
.mlist .k.setting{background:#ecfdf5;color:#047857}
.mlist .p{color:#b45309;font-weight:700;font-size:13px}

@media(max-width:980px){
  .newgrid,.catgrid,.entry3{grid-template-columns:1fr}
  .mkpi{grid-template-columns:repeat(2,1fr);gap:18px 6px}
  .mkpi div{border-right:none}
  .announce{justify-content:flex-start;overflow:hidden}
  .announce .an-go{display:none}
}

/* 导航上的"新"小红点 */
.nav-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:#e11d48;
  margin-left:5px;vertical-align:super}

/* ============================================================
   首屏行业版：标签 / 权益 chips / 行业切换
   ============================================================ */
.hero .ind-badge{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  color:var(--ind,#2563eb);background:rgba(255,255,255,.8);border:1px solid var(--line);
  border-radius:999px;padding:5px 14px;margin-bottom:16px;box-shadow:0 1px 2px rgba(15,23,42,.04)}
.hero .ind-badge span{font-size:15px}
.hero .ind-badge a{font-weight:600;color:var(--muted);font-size:12.5px;
  border-bottom:1px dashed #cbd5e1;margin-left:4px}
.hero .ind-badge a:hover{color:var(--brand);border-color:var(--brand)}

.hero-chips{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 22px}
.hero-chips span{font-size:13px;font-weight:600;color:#33415c;background:#fff;
  border:1px solid var(--line);border-radius:999px;padding:5px 13px;
  box-shadow:0 1px 2px rgba(15,23,42,.04)}
.hero-chips span::before{content:"✓";color:var(--ok);font-weight:800;margin-right:6px}

.ind-pick{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:34px;
  padding-top:18px;border-top:1px dashed var(--line)}
.ind-pick .ip-lbl{font-size:13px;color:var(--muted)}
.ind-pick .ip-item{font-size:13px;font-weight:600;color:var(--ink-2);background:#fff;
  border:1px solid var(--line);border-radius:999px;padding:4px 12px;transition:.15s}
.ind-pick .ip-item:hover{border-color:var(--brand);color:var(--brand)}
.ind-pick .ip-item.on{background:var(--brand-grad);color:#fff;border-color:transparent}
.ind-pick .ip-more{font-size:13px;font-weight:700;color:var(--brand);margin-left:2px}

/* 行业方案页 */
.indgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.indcard{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px;
  border-top:4px solid var(--c,#2563eb);box-shadow:0 18px 44px -36px rgba(15,23,42,.5)}
.indcard .ih{display:flex;align-items:center;gap:12px;margin-bottom:6px}
.indcard .ih .ico{font-size:26px;line-height:1}
.indcard .ih b{font-size:20px;letter-spacing:-.3px}
.indcard .ih .k{font-size:11.5px;font-weight:800;color:var(--c,#2563eb);
  background:rgba(37,99,235,.08);border-radius:6px;padding:2px 8px;margin-left:auto}
.indcard .hook{font-size:14.5px;color:var(--ink-2);line-height:1.75;margin:8px 0 16px}
.indcard .pl{list-style:none;margin-bottom:16px}
.indcard .pl li{position:relative;padding:4px 0 4px 20px;font-size:13.5px;color:#64748b}
.indcard .pl li::before{content:"×";position:absolute;left:2px;color:#f43f5e;font-weight:800}
.indcard .mods{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:18px}
.indcard .mods span{font-size:12.5px;background:#f1f5f9;border:1px solid var(--line);
  border-radius:8px;padding:3px 9px;color:#475569}
.indcard .acts{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.indcard .acts .ghost{font-size:13px;font-weight:700;color:var(--brand)}
@media(max-width:980px){.indgrid{grid-template-columns:1fr}}

/* 窄屏：首屏数字两列排，避免 3+1 的尴尬换行 */
@media(max-width:640px){
  .hero-stats{display:grid;grid-template-columns:1fr 1fr;gap:20px 14px;margin-top:34px}
  .hero-stats .num{font-size:26px}
  .hero .ind-badge{font-size:12px;padding:4px 11px}
  .ind-pick{margin-top:26px;gap:7px}
}

/* ============================================================
   响应式总控层（前台全站）
   断点：1200 收窄 · 1080 导航折叠 · 1024 平板双列
        900 竖向堆叠 · 760 表格卡片化 · 560 手机单列 · 380 小屏
   原则：能用 clamp() 流动的就不写死断点，避免缩放时「跳一下」
   ============================================================ */

/* 通用：宽表格横向滑动容器，防止把整页撑出横向滚动条 */
.tbl-wrap{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:14px}
.tbl-wrap > table{min-width:470px}
.tbl-wrap::-webkit-scrollbar{height:8px}
.tbl-wrap::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:8px}
.tbl-wrap::-webkit-scrollbar-track{background:#f1f5f9}
.tbl-hint{display:none}

/* 长串（路径 / 代码 / URL）允许折行，不撑破卡片 */
.nc-where,.upd .where,.code,.mlist td,.mlist th,.indcard .ih .k{overflow-wrap:anywhere}

/* 小屏才出现的「商户登录」入口 */
.nav-login-m{display:none}

/* ---------- ≤1200：桌面收窄，压缩空隙而不是缩字号 ---------- */
@media(max-width:1200px){
  .hero-grid{gap:32px}
  .hero-stats{gap:26px}
  .newgrid,.catgrid{gap:16px}
  .mkpi{gap:10px}
  .price-grid{gap:14px}
}

/* ---------- ≤1080：导航折叠为下拉面板 ---------- */
@media(max-width:1080px){
  .nav-links{display:none;position:absolute;top:calc(100% + 1px);left:0;right:0;
    background:#fff;border-bottom:1px solid var(--line);border-radius:0 0 16px 16px;
    box-shadow:0 26px 44px -30px rgba(15,23,42,.55);
    flex-direction:column;align-items:stretch;gap:0;padding:6px 0 10px;
    max-height:calc(100dvh - 74px);overflow-y:auto}
  .nav.menu-open .nav-links{display:flex}
  .nav .nav-links a{padding:12px 22px;font-size:15.5px;border-bottom:1px solid #f1f5f9;
    display:flex;align-items:center;gap:6px}
  .nav .nav-links a:last-child{border-bottom:none}
  .nav .nav-login-m{color:var(--brand);font-weight:700}
  .menu-toggle{display:inline-flex;align-items:center;justify-content:center;
    width:40px;height:40px;flex:none;border-radius:10px;border:1px solid var(--line);
    background:#fff;color:var(--ink);font-size:20px;line-height:1;cursor:pointer}
  .menu-toggle:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
}

/* ---------- ≤1024：平板横屏 —— 首屏单列、卡片两列 ---------- */
@media(max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:28px}
  .hero-card{max-width:none}
  .hero p.lead{max-width:none}
  .price-grid{grid-template-columns:repeat(2,1fr)}
  .price.featured{transform:none}
  .feat-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .newgrid{grid-template-columns:repeat(2,1fr)}
  .newcard:last-child{grid-column:1/-1}
  .catgrid{grid-template-columns:repeat(2,1fr)}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .footer .cols{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:24px}
}

/* ---------- ≤900：平板竖屏 —— 一律竖向堆叠 ---------- */
@media(max-width:900px){
  .link-flow{grid-template-columns:1fr;gap:10px}
  .link-arrow{transform:rotate(90deg);font-size:22px;height:26px}
  .entry3{grid-template-columns:1fr;gap:12px}
  .footer .cols{grid-template-columns:1fr 1fr;gap:26px 20px}
  .footer .cols > div:first-child{grid-column:1/-1}
  .footer .cols > div:first-child p{max-width:none!important}
  .mkpi{grid-template-columns:repeat(auto-fit,minmax(108px,1fr));gap:16px 4px}
  .upd-wrap{max-width:none}
  /* 首屏数字在平板上均分整行，避免挤在左边一小块 */
  .hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px 16px;margin-top:32px}
}

/* ---------- ≤760：手机 —— 表格改卡片，间距全面收口 ---------- */
@media(max-width:760px){
  .announce{padding:8px 14px;gap:9px;align-items:flex-start}
  .announce .an-tag{font-size:11.5px;padding:2px 8px;margin-top:2px}
  .announce .an-txt{white-space:normal;line-height:1.55;display:-webkit-box;
    -webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

  .hero-card{padding:14px 15px;max-width:none}
  .hero-card .row{gap:12px;align-items:center}
  .hero-card .row > span{min-width:0}
  .hero-card .row > span:first-child{overflow-wrap:anywhere}
  .hero-chips span{font-size:12.5px;padding:4px 11px}
  .hero .ind-badge{margin-bottom:12px}
  .ind-pick{margin-top:24px;padding-top:14px;gap:7px}

  /* 模块清单：表格 → 卡片 */
  .mlist{display:block;border:none;background:transparent;border-radius:0;
    border-collapse:separate;border-spacing:0}
  .mlist thead{display:none}
  .mlist tbody,.mlist tr{display:block}
  .mlist tr{background:#fff;border:1px solid var(--line);border-radius:12px;
    padding:13px 15px;margin-bottom:10px;box-shadow:0 1px 2px rgba(15,23,42,.04)}
  .mlist td{display:block;padding:0;border:none}
  .mlist td.nm{font-size:15.5px;margin-bottom:5px}
  .mlist td.ds{display:block;font-size:13px;color:#5b6a80;line-height:1.68;margin-bottom:9px}
  .mlist td:nth-child(3),.mlist td:nth-child(4){display:inline-block;margin-right:10px}
  .mlist .k{font-size:11px}

  /* 通用表格：横向滑动 + 首列固定 + 右侧渐隐提示 */
  .tbl-wrap{border:1px solid var(--line);border-radius:12px;position:relative}
  .tbl-wrap > .table{border:none;border-radius:0;min-width:470px;border-collapse:separate;
    border-spacing:0;overflow:visible}
  /* 首列窄一点，滑到后面还能同时看到 1–2 档套餐；
     单元格内容允许换行，避免 nowrap 把表头文字溢出到隔壁列 */
  .tbl-wrap > .table th,.tbl-wrap > .table td{white-space:normal;overflow-wrap:anywhere}
  .tbl-wrap > .table th:first-child,.tbl-wrap > .table td:first-child{max-width:132px}
  .tbl-wrap > .table th:first-child,.tbl-wrap > .table td:first-child{
    position:sticky;left:0;z-index:2;background:#fff;
    box-shadow:1px 0 0 var(--line)}
  .tbl-wrap > .table th:first-child{background:#f8fafc;z-index:3}
  .tbl-wrap::after{content:"";position:absolute;top:0;right:0;bottom:0;width:24px;
    pointer-events:none;border-radius:0 12px 12px 0;
    background:linear-gradient(90deg,rgba(255,255,255,0),rgba(255,255,255,.95))}
  .tbl-hint{display:block;font-size:12.5px;color:var(--muted);margin:0 0 8px}

  .panel{padding:18px 16px;border-radius:14px}
  .panel h3{font-size:15.5px}
  .card-box{padding:20px 18px;border-radius:14px}
  .newcard,.catcard,.indcard{padding:20px}

  /* 登录 / 注册：单栏 + 收紧内边距 */
  .auth-wrap{padding:22px 16px;min-height:calc(100dvh - 64px);place-items:start center}
  .split{width:100%;max-width:520px;border-radius:14px}
  .split .right{padding:26px 20px}
  .split .right h3{font-size:19px}
  .auth-wrap{padding:26px 0;min-height:calc(100dvh - 64px)}

  /* 更新日志时间线 */
  .upd{padding:0 0 26px 24px}
  .upd h3{font-size:17.5px}
  .upd .hook{font-size:14px}

  /* 页脚 */
  .footer{padding:38px 0 24px}
  .footer .cols{gap:22px 16px}
  .footer .bottom{margin-top:24px;line-height:1.8}

  /* 触摸目标不小于 40px */
  .btn{padding:12px 20px}
  .btn-sm{padding:10px 14px;font-size:13.5px}
  .center .btn{margin:5px 4px 0!important}
}

/* ---------- ≤560：手机竖屏 —— 全部单列 ---------- */
@media(max-width:560px){
  .nav-inner{height:58px;gap:8px}
  .logo{font-size:17px}
  .logo .mark{width:28px;height:28px;font-size:15px}
  .nav-cta{gap:8px}
  .nav-cta .btn{padding:7px 12px;font-size:12.5px}
  .nav-cta-login{display:none!important}
  .nav-login-m{display:flex}

  .hero h1{font-size:clamp(23px,6.4vw,30px);line-height:1.3}
  .hero p.lead{font-size:15px;margin:15px 0 20px}
  .hero-actions{flex-direction:column;align-items:stretch;gap:10px}
  .hero-actions .btn{justify-content:center;width:100%}
  .hero-stats{display:grid;grid-template-columns:1fr 1fr;gap:18px 12px;margin-top:26px}
  .hero-stats .num{font-size:24px}
  .hero-stats .lbl{font-size:12.5px;line-height:1.45}
  .ind-pick .ip-lbl{width:100%}

  .price-grid,.feat-grid,.newgrid,.catgrid,.entry3,.indgrid{grid-template-columns:1fr}
  .newcard:last-child{grid-column:auto}
  .stat-grid{grid-template-columns:1fr 1fr}

  .section-title{text-align:left;margin-bottom:20px}
  .section-title p{font-size:13.5px;margin-top:8px}
  .mkpi{grid-template-columns:1fr 1fr;padding:16px 8px;border-radius:14px}
  .mkpi b{font-size:22px}
  .mkpi span{font-size:11.5px}
  /* 5 个项目排两列会剩一个孤项，让它横跨整行 */
  .mkpi div:last-child:nth-child(odd){grid-column:1/-1;border-right:none}

  .cta h2{font-size:22px!important}
  .cta p{font-size:14px;line-height:1.7}
  .cta .btn{margin:6px 0 0!important}
  .cta .btn + .btn{margin-top:10px!important}

  .indcard .ih b{font-size:18px}
  .indcard .ih .k{font-size:10.5px;padding:2px 6px}
  .indcard .hook{font-size:13.5px}

  /* 页脚：单列 + 链接横排，避免出现「孤立一列 + 半屏空白」 */
  .footer .cols{grid-template-columns:1fr;gap:18px}
  .footer h5{font-size:13px;color:#94a3b8;margin-bottom:8px;letter-spacing:.05em}
  .footer ul{display:flex;flex-wrap:wrap;gap:7px 18px}
  .footer li{padding:0;font-size:13.5px}
  .footer .bottom{font-size:12px}
}

/* ---------- ≤380：小屏兜底 ---------- */
@media(max-width:380px){
  .hero h1{font-size:21.5px}
  .nav-cta .btn{padding:6px 10px;font-size:12px}
  .logo{font-size:15.5px;gap:7px}
  .logo .mark{width:26px;height:26px;border-radius:8px;font-size:14px}
  .hero-chips span{font-size:11.5px;padding:3px 9px}
  .mkpi{padding:14px 6px}
}

/* ---------- 横屏手机：压缩首屏高度，先看到内容 ---------- */
@media(max-height:520px) and (min-width:600px){
  .hero{padding-top:28px;padding-bottom:26px}
  .hero-stats{margin-top:22px}
}

/* ---------- 无障碍 / 动效偏好 ---------- */
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation-duration:.01ms!important;transition-duration:.01ms!important}
  .newcard:hover,.feat:hover,.btn-primary:hover{transform:none}
}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

/* 分组小标题、CTA 卡片：宽度不够时换行而不是挤成竖排 */
.ghead{flex-wrap:wrap;row-gap:4px}
.cta{max-width:100%}
.cta h2{line-height:1.35}

/* 标题换行更均衡：避免出现「最后一行只剩一两个字」的孤字换行
   （Chrome 114+ / Safari 17.5+ 生效，旧浏览器自动忽略） */
.section-title h2,.cta h2,.newcard h3,.upd h3,.indcard .hook{text-wrap:balance}
.section-title p,.nc-hook,.upd .hook,.newcard li,.indcard .pl li{text-wrap:pretty}

/* 行业方案页：821–1024 保持两列，窄了再改单列（四张卡单列会显得很空） */
@media(max-width:820px){
  .indgrid{grid-template-columns:1fr;gap:14px}
}

/* 定价页顶部 v2.4 提示：手机上竖排左对齐，避免标签孤零零掉到下一行 */
@media(max-width:560px){
  .v24note{display:flex;flex-direction:column;align-items:flex-start;gap:8px;
    margin:-12px 0 20px!important;text-align:left}
  .v24note .pill-new{align-self:flex-start}
  .v24note .muted{margin:0!important;line-height:1.7}
  .v24note a{margin:0!important}
}

/* 联系方式这类「A | B | C」的串：窄屏改成自动换行的条目 */
.meta-line{display:flex;flex-wrap:wrap;gap:6px 20px;color:var(--ink-2)}

/* ============================================================
   品牌识别：字标（中/英双行）、品类行、模数方格标记
   ============================================================ */

/* 首页首屏的品牌行：中文名 + 英文名 + 品类描述，一行说完"我是谁" */
.hero-brand{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:20px}
.hero-brand .hb-cat{font-size:14px;font-weight:600;letter-spacing:.04em;color:var(--ink-2)}
.hero-brand .hb-en{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:10px;font-weight:700;letter-spacing:.2em;color:#9aa7b8;text-transform:uppercase}
.hero-brand .hb-sep{width:1px;height:12px;background:#cbd5e1}

/* 登录页左栏品牌头（渐变底、白字） */
.auth-brand{display:flex;align-items:center;gap:11px;font-size:22px;margin-bottom:8px}
.auth-brand .mark{width:34px;height:34px;border-radius:10px;flex:none;
  background:#fff;color:#042C53;display:grid;place-items:center;
  box-shadow:0 4px 14px -6px rgba(4,44,83,.45)}
.auth-brand .lg-txt i{color:rgba(255,255,255,.72)}
.auth-cat{font-size:12.5px;letter-spacing:.05em;color:rgba(255,255,255,.72);margin-bottom:22px}

/* 页脚品牌块：品类行紧贴字标下方，字号比正文小一档 */
.footer .f-cat{color:#8fa4bd;margin:-4px 0 10px}

/* 窄屏：品类行只留中文，英文名已由 logo 承担，避免竖线孤零零挂在行尾 */
@media(max-width:560px){
  .hero-brand{gap:8px;margin-bottom:16px}
  .hero-brand .hb-sep,.hero-brand .hb-en{display:none}
}

/* ============================================================
   只读地址 + 复制 / 一键生成：公众号回调 URL、Token、回调地址等
   ============================================================ */

/* 输入框 + 右侧动作按钮（复制、生成） */
.copy-row,.gen-row{display:flex;gap:8px;align-items:stretch}
.copy-row input,.gen-row input{flex:1;min-width:0}
.copy-row input{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13.5px;
  background:#f5f8fc;color:#3b4a61;cursor:text;letter-spacing:.2px}
.copy-row input:focus{background:#fff}
.copy-btn{
  flex:none;display:inline-flex;align-items:center;gap:6px;padding:0 15px;
  border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;
  color:var(--ink-2);font-size:13.5px;font-weight:600;font-family:inherit;
  cursor:pointer;white-space:nowrap;transition:.15s}
.copy-btn:hover{border-color:var(--brand);color:var(--brand);background:#f4f8ff}
.copy-btn:active{transform:translateY(1px)}
.copy-btn[disabled]{cursor:not-allowed;opacity:.5}
.copy-btn[disabled]:hover{border-color:var(--line);color:var(--ink-2);background:#fff}
.copy-btn.ok{border-color:#86efac;color:#15803d;background:#f0fdf4}
.copy-btn.gen{border-color:#c7dbff;color:#1d4ed8;background:#f4f8ff}
.copy-btn.gen:hover{border-color:#93b4fb;background:#eaf2ff}
.copy-row .ro-tag{flex:none;display:inline-flex;align-items:center;padding:0 10px;
  border-radius:var(--radius-sm);background:#eef2f8;color:#8a97a8;font-size:12px;font-weight:600}

/* 只读字段的说明文字带一点收敛的灰 */
.field .ro-hint{font-size:12px;color:#8a97a8;line-height:1.7;margin-top:6px}

/* 窄屏：按钮不挤压输入框，按钮文字保持一行 */
@media(max-width:520px){
  .copy-row,.gen-row{flex-wrap:wrap}
  .copy-row input,.gen-row input{flex:1 1 100%}
  .copy-btn{flex:1 1 auto;justify-content:center;padding:10px 12px}
}

/* ---------- 收款渠道选择（商户 · 收款配置） ---------- */
.chan-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.field label.chan-opt{display:flex;flex-direction:column;gap:3px;padding:12px 14px;
  border:1px solid var(--line);border-radius:12px;cursor:pointer;background:#fff;
  font-size:13px;font-weight:400;transition:.15s;margin-bottom:0}
.field label.chan-opt .chan-h{display:flex;align-items:center;gap:8px}
.field label.chan-opt .chan-h b{font-size:14px;color:var(--ink);font-weight:700}
.field label.chan-opt .chan-d{color:#8494ab;font-size:12px;line-height:1.5;padding-left:22px}
.field label.chan-opt.on{border-color:#93b4fb;background:#f4f8ff;box-shadow:0 0 0 3px rgba(37,99,235,.08)}
.field label.chan-opt.is-off{opacity:.55;cursor:not-allowed}
@media(max-width:560px){.chan-row{grid-template-columns:1fr}}

/* ---------- 表单里的单选/复选：不要被 .field input{width:100%} 撑成整行 ---------- */
.field input[type="checkbox"],.field input[type="radio"],
.app-shell .field input[type="checkbox"],.app-shell .field input[type="radio"]{
  width:auto;padding:0;margin:0;border:none;box-shadow:none;accent-color:var(--brand);
  vertical-align:-2px}