/* 工具合集站点 · 手机优先 */
:root{
  --ink:#0f172a; --ink2:#334155; --muted:#64748b; --line:#e2e8f0;
  --bg:#f8fafc; --card:#ffffff; --brand:#2563eb; --brand2:#1d4ed8; --soft:#eff6ff;
  --ok:#059669; --warn:#d97706; --danger:#dc2626; --violet:#7c3aed;
  --radius:16px; --shadow:0 1px 2px rgba(15,23,42,.05),0 10px 30px rgba(15,23,42,.06);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);display:flex;flex-direction:column;min-height:100vh;
  font:16px/1.65 system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  -webkit-font-smoothing:antialiased}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{margin:0 0 10px;line-height:1.25;letter-spacing:-.01em}
h1{font-size:clamp(30px,5vw,46px)}
h2{font-size:clamp(22px,3.2vw,30px)}
h3{font-size:17px}
p{margin:0 0 12px}
ul,ol{margin:0;padding:0}
.wrap{width:100%;max-width:1120px;margin:0 auto;padding:0 20px}
main{flex:1 0 auto}
.narrow-wrap{max-width:860px}
.muted{color:var(--muted)}
.lead{font-size:clamp(16px,2.2vw,19px);color:var(--ink2)}
.hint{display:block;margin-top:6px;color:var(--muted);font-size:13px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 18px;border-radius:12px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;transition:.18s ease;white-space:nowrap}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;
  box-shadow:0 8px 20px rgba(37,99,235,.25)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:#cbd5e1;background:#f8fafc}
.btn-danger{background:#fef2f2;color:var(--danger);border-color:#fecaca}
.btn-sm{min-height:34px;padding:0 12px;font-size:13px;border-radius:9px}
.btn-lg{min-height:52px;padding:0 26px;font-size:16px;border-radius:14px}
.btn-block{width:100%}
.inline{display:inline}

.topbar{position:sticky;top:0;z-index:50;background:rgba(248,250,252,.86);
  backdrop-filter:saturate(160%) blur(12px);border-bottom:1px solid rgba(226,232,240,.8)}
.topbar-inner{display:flex;align-items:center;gap:18px;height:64px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;font-size:18px}
.brand:hover{text-decoration:none}
.brand-mark{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  color:#fff;font-size:17px;background:linear-gradient(135deg,#3b82f6,#1d4ed8);
  box-shadow:0 6px 14px rgba(37,99,235,.28)}
.nav{display:flex;gap:6px;margin-left:8px}
.nav-link{padding:8px 12px;border-radius:9px;color:var(--ink2);font-size:14px;font-weight:600}
.nav-link:hover,.nav-link.active{background:#fff;color:var(--ink);text-decoration:none;box-shadow:var(--shadow)}
.top-actions{margin-left:auto;display:flex;align-items:center;gap:8px}
.nav-toggle{display:none;margin-left:auto;width:40px;height:40px;border:1px solid var(--line);
  background:#fff;border-radius:10px;padding:9px}
.nav-toggle span{display:block;height:2px;background:var(--ink);margin:4px 0;border-radius:2px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;background:#fff;padding:8px 12px;border-radius:8px;z-index:99}

.hero{position:relative;overflow:hidden;padding:64px 0 56px}
.hero-bg{position:absolute;inset:0;background:
  radial-gradient(60% 60% at 80% 10%,rgba(59,130,246,.16),transparent 70%),
  radial-gradient(50% 50% at 10% 0%,rgba(124,58,237,.10),transparent 70%),
  linear-gradient(180deg,#fff, #f8fafc 70%)}
.hero-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero-copy .badge{display:inline-block;background:var(--soft);color:var(--brand2);
  border:1px solid #dbeafe;padding:6px 12px;border-radius:999px;font-size:13px;font-weight:700}
.hero h1{margin:16px 0 14px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin:22px 0 16px}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:22px}
.chip{background:#fff;border:1px solid var(--line);border-radius:999px;padding:5px 11px;
  font-size:13px;color:var(--ink2)}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;max-width:520px}
.stat{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px;text-align:center}
.stat b{display:block;font-size:20px;line-height:1.2}
.stat span{font-size:12px;color:var(--muted)}

.mock{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 24px 60px rgba(15,23,42,.14);overflow:hidden;transform:rotate(-.6deg)}
.mock-bar{display:flex;align-items:center;gap:6px;padding:11px 14px;border-bottom:1px solid var(--line);background:#f8fafc}
.mock-bar i{width:9px;height:9px;border-radius:50%;background:#e2e8f0;display:block}
.mock-bar i:nth-child(1){background:#fca5a5}.mock-bar i:nth-child(2){background:#fcd34d}.mock-bar i:nth-child(3){background:#86efac}
.mock-bar span{margin-left:8px;font-size:12px;color:var(--muted)}
.mock-body{display:grid;grid-template-columns:120px 1fr;min-height:320px}
.mock-side{background:#f8fafc;border-right:1px solid var(--line);padding:14px 12px}
.mock-side b{display:block;font-size:11px;color:var(--muted);margin:10px 0 8px;font-weight:700}
.mock-side u{display:block;height:8px;border-radius:4px;background:#e2e8f0;margin:7px 0}
.mock-main{padding:16px;display:grid;grid-template-columns:1fr 1fr;gap:10px;align-content:start}
.mock-card{border:1px solid var(--line);border-radius:12px;padding:10px;background:#fff}
.mock-card.big{grid-column:1/-1;background:linear-gradient(135deg,#f0f7ff,#fff)}
.mock-card b{display:block;font-size:13px}
.mock-card em{font-style:normal;font-size:11px;color:var(--muted)}
.dot{width:8px;height:8px;border-radius:50%;display:inline-block;margin-right:6px}
.dot.blue{background:#3b82f6}.dot.green{background:#10b981}.dot.amber{background:#f59e0b}.dot.violet{background:#8b5cf6}
.mock-lines{grid-column:1/-1;display:grid;gap:6px;margin-top:4px}
.mock-lines u{height:7px;border-radius:4px;background:#eef2f7;display:block}

.section{padding:68px 0}
.section.alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:720px;margin:0 auto 34px;text-align:center}
.section-head.left{margin:0 0 28px;text-align:left}
.section-head p{color:var(--muted);margin:8px 0 0}
.eyebrow{display:inline-block;font-size:12px;font-weight:800;letter-spacing:.14em;
  text-transform:uppercase;color:var(--brand);margin-bottom:8px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.groups{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.group{padding:22px}
.group-head h3{margin-bottom:4px}
.group-head p{color:var(--muted);font-size:14px;margin:0 0 14px}
.tool-list{list-style:none;display:grid;gap:12px}
.tool{display:grid;gap:2px;padding-bottom:10px;border-bottom:1px dashed #eef2f7}
.tool:last-child{border-bottom:0;padding-bottom:0}
.tool-name{font-weight:700;color:var(--ink)}
.tool-name:hover{color:var(--brand)}
.tool-desc{font-size:13.5px;color:var(--muted)}

.scenes{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.scene{padding:20px}
.scene h3{font-size:16px}
.scene p{font-size:13.5px;color:var(--muted);min-height:64px}
.tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:10px}
.tag{background:#f1f5f9;color:var(--ink2);border-radius:999px;padding:3px 9px;font-size:12px}

.split{display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;align-items:start}
.why{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.why-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px}
.why-item h3{font-size:15px;margin-bottom:6px}
.why-item p{font-size:13.5px;color:var(--muted);margin:0}

.steps{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:22px}
.step{display:flex;gap:12px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px}
.step-no{flex:none;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;
  background:var(--soft);color:var(--brand2);font-weight:800}
.step h3{font-size:15px;margin-bottom:4px}
.step p{font-size:13.5px;color:var(--muted);margin:0}

.update-card{display:flex;align-items:center;gap:24px;padding:22px;flex-wrap:wrap}
.update-card>div:first-child{flex:1;min-width:240px}
.update-card h3{font-size:24px;margin:4px 0}
.update-card p{color:var(--muted);margin:0}
.update-meta{display:flex;gap:14px;flex-wrap:wrap;font-size:13px;color:var(--muted)}
.pill{display:inline-block;background:var(--soft);color:var(--brand2);border-radius:999px;
  padding:3px 10px;font-size:12px;font-weight:700}
.pill.ok{background:#ecfdf5;color:var(--ok)}
.pill.warn{background:#fffbeb;color:var(--warn)}

.post-list{padding:8px}
.post-row{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;
  padding:12px;border-radius:10px;color:var(--ink)}
.post-row:hover{background:#f8fafc;text-decoration:none}
.post-title{font-weight:600;font-size:14.5px}
.post-meta{font-size:12px;color:var(--muted)}

.faq{display:grid;gap:10px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:0 16px}
.faq-item summary{cursor:pointer;padding:15px 0;font-weight:600;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";float:right;color:var(--muted);font-weight:400}
.faq-item[open] summary::after{content:"–"}
.faq-body{padding:0 0 16px;color:var(--ink2);font-size:14.5px}

.cta-band{background:linear-gradient(135deg,#0f172a,#1e3a8a);color:#fff;padding:44px 0}
.cta-band.slim{padding:26px 24px;border-radius:var(--radius);margin-top:26px}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.cta-band h2,.cta-band h3{margin:0 0 4px;color:#fff}
.cta-band p{margin:0;color:#c7d2fe;font-size:14px}

.footer{background:#0b1220;color:#cbd5e1;padding:44px 0 26px;margin-top:0}
.footer-inner{display:flex;justify-content:space-between;gap:28px;flex-wrap:wrap}
.footer-brand{max-width:520px}
.footer-brand strong{color:#fff;font-size:16px}
.footer-brand p{color:#94a3b8;font-size:13px;margin:8px 0 0}
.footer-links{display:flex;gap:18px;flex-wrap:wrap;align-items:flex-start}
.footer-links a{color:#cbd5e1;font-size:13.5px}
.footer-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:26px;padding-top:18px;
  border-top:1px solid rgba(148,163,184,.18);font-size:12.5px;color:#94a3b8}
.foot-sep{opacity:.5}
/* 模块页 */
.crumbs{font-size:13px;color:var(--muted);margin-bottom:14px}
.crumbs a{color:var(--muted)}
.module-head{padding:26px}
.module-head h1{margin:8px 0 8px;font-size:clamp(26px,4vw,36px)}
.module-head .lead{margin-bottom:10px}
.module-grid{display:grid;grid-template-columns:1.5fr .9fr;gap:16px;margin:16px 0}
.module-grid .card{padding:22px}
.module-side{display:grid;gap:12px;align-content:start}
.module-side .card{padding:18px}
.module-side h3{font-size:14px;color:var(--muted);margin-bottom:6px}
.feature-list{list-style:none;display:grid;gap:10px;margin-top:6px}
.feature-list li{position:relative;padding-left:22px;font-size:14.5px;color:var(--ink2)}
.feature-list li::before{content:"";position:absolute;left:0;top:8px;width:8px;height:8px;
  border-radius:50%;background:linear-gradient(135deg,#3b82f6,#1d4ed8)}
.section-sub{margin-top:22px}
.sub-title{font-size:18px;margin:26px 0 12px}
.related{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.related-card{padding:16px;display:grid;gap:6px;color:var(--ink)}
.related-card:hover{text-decoration:none;border-color:#bfdbfe}
.related-card b{font-size:15px}
.related-card span:last-child{font-size:13px;color:var(--muted)}
.mod-rows{display:grid;gap:2px}
.mod-row{display:grid;gap:2px;padding:10px 0;border-bottom:1px dashed #eef2f7;color:var(--ink)}
.mod-row:last-child{border-bottom:0}
.mod-row b{font-size:14.5px}
.mod-row span{font-size:13px;color:var(--muted)}
.mod-row:hover{text-decoration:none}
.mod-row:hover b{color:var(--brand)}

/* 表单与账号 */
.auth{min-height:calc(100vh - 240px);display:grid;place-items:center;padding:48px 20px}
.auth-card{width:100%;max-width:560px;padding:30px}
.auth-card.narrow{max-width:430px}
.auth-head{margin-bottom:18px}
.auth-head h1{font-size:28px;margin:6px 0 6px}
.form{display:grid;gap:16px}
.field{display:grid;gap:7px}
.field label{font-weight:600;font-size:14px}
.field label i{color:var(--danger);font-style:normal}
.field input,.field select,.field textarea{
  width:100%;min-height:46px;padding:11px 13px;border:1px solid var(--line);border-radius:11px;
  background:#fff;font:inherit;color:var(--ink);transition:.15s}
.field textarea{min-height:120px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:#93c5fd;box-shadow:0 0 0 4px rgba(59,130,246,.14)}
.check{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--ink2)}
.check input{width:18px;height:18px;margin-top:2px;flex:none}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-foot{text-align:center;font-size:14px;color:var(--muted);margin:2px 0 0}
.form-actions{display:flex;gap:10px;flex-wrap:wrap}
.alert{padding:12px 14px;border-radius:11px;font-size:14px;margin-bottom:14px}
.alert.ok{background:#ecfdf5;color:#065f46;border:1px solid #a7f3d0}
.alert.err{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}
.alert.info{background:#eff6ff;color:#1e3a8a;border:1px solid #bfdbfe}
.info-card{padding:22px;margin-bottom:16px}
.kv{display:grid;grid-template-columns:110px 1fr;gap:10px 16px;margin:0}
.kv dt{color:var(--muted);font-size:14px}
.kv dd{margin:0;font-weight:600;font-size:14px}
.note-card{padding:22px;margin-top:16px}
.plain-list{margin:8px 0 0 18px;display:grid;gap:8px;font-size:14px;color:var(--ink2)}
.prose{padding:24px}
.prose-block{margin-bottom:22px}
.prose-block h2{font-size:18px}
.prose-block p{color:var(--ink2);font-size:14.5px}

/* 下载 */
.dl-card{padding:24px}
.dl-head{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:16px}
.dl-head h2{font-size:28px;margin:6px 0}
.dl-head p{color:var(--muted);margin:0}
.dl-side{display:grid;gap:4px;font-size:13px;color:var(--muted)}

/* 论坛 */
.row-head{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.tab{padding:7px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);
  font-size:13.5px;color:var(--ink2)}
.tab:hover{text-decoration:none;border-color:#cbd5e1}
.tab.active{background:var(--ink);color:#fff;border-color:var(--ink)}
.thread-list{padding:8px}
.thread{display:flex;justify-content:space-between;gap:14px;padding:14px;border-radius:11px;color:var(--ink)}
.thread:hover{background:#f8fafc;text-decoration:none}
.thread-main{display:grid;gap:4px}
.thread-title{font-weight:650;font-size:15px}
.thread-sub{font-size:12.5px;color:var(--muted)}
.thread-arrow{color:#cbd5e1;font-size:22px;align-self:center}
.thread-detail{padding:24px}
.thread-head h1{font-size:clamp(22px,3.4vw,30px);margin:8px 0}
.thread-meta{font-size:13px;color:var(--muted)}
.thread-body{margin-top:16px;font-size:15px;color:var(--ink2);word-break:break-word}
.replies{display:grid;gap:10px}
.reply{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px}
.reply-head{display:flex;gap:10px;align-items:center;font-size:13.5px;margin-bottom:8px}
.reply-body{font-size:14.5px;color:var(--ink2);word-break:break-word}
.badge-admin{background:#eef2ff;color:#4338ca;border-radius:999px;padding:2px 8px;font-size:11.5px;font-weight:700}
.reply-form{margin-top:16px;padding:20px}
.admin-inline{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}
.admin-inline form{display:inline}
.pager{display:flex;gap:6px;flex-wrap:wrap;justify-content:center;margin-top:16px}
.page{min-width:36px;height:36px;display:grid;place-items:center;border-radius:9px;
  border:1px solid var(--line);background:#fff;font-size:13.5px;color:var(--ink2)}
.page.active{background:var(--ink);color:#fff;border-color:var(--ink)}
.page:hover{text-decoration:none;border-color:#94a3b8}
.empty{padding:28px;text-align:center;color:var(--muted);font-size:14px}

/* 后台 */
.admin-nav{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:18px}
.admin-nav a{padding:8px 14px;border-radius:9px;background:#fff;border:1px solid var(--line);
  font-size:13.5px;color:var(--ink2)}
.admin-nav a.active{background:var(--ink);color:#fff;border-color:var(--ink)}
.admin-nav a:hover{text-decoration:none}
.admin-stats{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-bottom:18px}
.stat-card{background:#fff;border:1px solid var(--line);border-radius:13px;padding:16px;text-align:center}
.stat-card b{display:block;font-size:24px}
.stat-card span{font-size:12.5px;color:var(--muted)}
.table-card{padding:0;margin-bottom:18px;overflow:hidden}
.card-head{display:flex;justify-content:space-between;align-items:center;gap:12px;
  padding:16px 18px;border-bottom:1px solid var(--line)}
.card-head h3{margin:0;font-size:15px}
.table-wrap{overflow-x:auto}
.table{width:100%;border-collapse:collapse;font-size:13.5px;min-width:720px}
.table th,.table td{padding:11px 14px;text-align:left;border-bottom:1px solid #f1f5f9;white-space:nowrap}
.table th{background:#f8fafc;color:var(--muted);font-weight:600;font-size:12.5px}
.table tr:last-child td{border-bottom:0}
.table .act{display:flex;gap:6px;align-items:center}
.table .act form{display:inline}
.toolbar{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.toolbar input{min-height:40px;padding:8px 12px;border:1px solid var(--line);border-radius:10px;
  min-width:220px;font:inherit}
.error-card{padding:36px;text-align:center}
.error-code{font-size:48px;font-weight:800;color:#cbd5e1;line-height:1}
.error-card h1{font-size:24px;margin:8px 0}

/* ===== 科技感升级（2026-10-17） ===== */
:root{
  --night:#050a16; --night2:#0a1426; --cyan:#22d3ee; --cyan2:#38bdf8;
  --glow:rgba(34,211,238,.22);
}
.topbar{background:rgba(5,10,22,.9);border-bottom:1px solid rgba(125,211,252,.14);
  box-shadow:0 12px 35px rgba(2,6,23,.2)}
.topbar-inner{height:68px}
.brand{color:#f8fafc}
.brand-mark{background:linear-gradient(135deg,#22d3ee,#2563eb);
  box-shadow:inset 0 0 0 1px rgba(207,250,254,.2),0 8px 24px rgba(34,211,238,.28)}
.nav-link{color:#9fb3cf}
.nav-link:hover,.nav-link.active{background:rgba(125,211,252,.1);color:#fff;box-shadow:none}
.topbar .btn-ghost{background:rgba(255,255,255,.04);border-color:rgba(148,163,184,.28);color:#dbeafe}
.topbar .btn-ghost:hover{background:rgba(255,255,255,.09);border-color:rgba(125,211,252,.4)}
.topbar .nav-toggle{background:rgba(255,255,255,.05);border-color:rgba(148,163,184,.28)}
.topbar .nav-toggle span{background:#dbeafe}

.hero{padding:82px 0 76px;background:var(--night);color:#e2e8f0}
.hero-bg{background:
  radial-gradient(48% 56% at 80% 16%,rgba(34,211,238,.2),transparent 68%),
  radial-gradient(46% 52% at 8% 4%,rgba(59,130,246,.22),transparent 70%),
  radial-gradient(48% 54% at 58% 108%,rgba(124,58,237,.15),transparent 72%),
  linear-gradient(180deg,#060c19,#050a16 72%)}
.hero-bg::before{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(148,163,184,.08) 1px,transparent 1px),
    linear-gradient(90deg,rgba(148,163,184,.08) 1px,transparent 1px);
  background-size:52px 52px;
  -webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,.95),transparent 88%);
  mask-image:linear-gradient(to bottom,rgba(0,0,0,.95),transparent 88%)}
.hero-bg::after{content:"";position:absolute;left:0;right:0;top:-20%;height:22%;pointer-events:none;
  background:linear-gradient(180deg,transparent,rgba(34,211,238,.09),transparent);
  animation:hero-scan 9s linear infinite}
@keyframes hero-scan{0%{transform:translateY(-20%)}100%{transform:translateY(620%)}}
.hero-inner{grid-template-columns:1.04fr .96fr;gap:56px}
.hero-copy .badge{background:rgba(34,211,238,.08);border-color:rgba(34,211,238,.3);
  color:#a5f3fc;letter-spacing:.04em;box-shadow:inset 0 0 24px rgba(34,211,238,.06)}
.hero h1{color:#f8fafc;font-size:clamp(38px,5vw,62px);letter-spacing:-.035em;
  background:linear-gradient(112deg,#fff 18%,#d7f3ff 54%,#7dd3fc 100%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero .lead{color:#a9b8d0;max-width:650px;font-size:clamp(16px,2vw,20px)}
.hero .chips .chip{background:rgba(255,255,255,.045);border-color:rgba(148,163,184,.22);color:#cbd5e1}
.hero .stats{max-width:560px}
.hero .stat{background:rgba(255,255,255,.045);border-color:rgba(148,163,184,.18);
  backdrop-filter:blur(10px);box-shadow:inset 0 1px 0 rgba(255,255,255,.04)}
.hero .stat b{color:#fff}
.hero .stat span{color:#93a9c5}
.hero .btn-primary{background:linear-gradient(135deg,#22d3ee,#2563eb);
  box-shadow:0 10px 30px rgba(34,211,238,.24)}
.hero .btn-ghost{background:rgba(255,255,255,.04);border-color:rgba(148,163,184,.3);color:#e2e8f0}
.hero .btn-ghost:hover{background:rgba(255,255,255,.09);border-color:rgba(125,211,252,.45)}
.tech-rail{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:22px;
  color:#7dd3fc;font:700 10.5px/1.4 ui-monospace,SFMono-Regular,Consolas,monospace;
  letter-spacing:.14em}
.tech-rail span{display:inline-flex;align-items:center;gap:7px}
.tech-rail span+span::before{content:"";width:18px;height:1px;background:rgba(125,211,252,.28)}
.tech-rail i{width:6px;height:6px;border-radius:50%;background:#22d3ee;display:inline-block;
  box-shadow:0 0 0 4px rgba(34,211,238,.1),0 0 14px rgba(34,211,238,.75);animation:tech-pulse 2.2s ease-in-out infinite}
@keyframes tech-pulse{0%,100%{opacity:.55}50%{opacity:1}}
.hero-visual{position:relative}
.hero .mock{background:#0a1324;border-color:rgba(125,211,252,.22);
  box-shadow:0 34px 95px rgba(2,6,23,.7),inset 0 0 0 1px rgba(125,211,252,.04),0 0 60px rgba(34,211,238,.1)}
.hero .mock-bar{background:#081120;border-bottom-color:rgba(125,211,252,.12)}
.hero .mock-bar span{color:#93a9c5}
.hero .mock-body{border-color:rgba(125,211,252,.1)}
.hero .mock-side{background:#070f1d;border-right-color:rgba(125,211,252,.1)}
.hero .mock-side b{color:#7f93ad}
.hero .mock-side u{background:#152238}
.hero .mock-main{background:rgba(9,19,35,.66)}
.hero .mock-card{background:rgba(15,27,47,.78);border-color:rgba(148,163,184,.16)}
.hero .mock-card.big{background:linear-gradient(135deg,rgba(14,116,144,.28),rgba(15,27,47,.8))}
.hero .mock-card b{color:#e2e8f0}
.hero .mock-card em{color:#8ba1bc}
.hero .mock-lines u{background:#152238}
.hero-float{position:absolute;z-index:3;padding:9px 13px;border-radius:999px;
  border:1px solid rgba(34,211,238,.26);background:rgba(8,17,32,.86);color:#67e8f9;
  font:700 10.5px/1 ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:.13em;
  box-shadow:0 12px 34px rgba(2,6,23,.5);backdrop-filter:blur(10px)}
.float-a{top:32px;left:-28px}
.float-b{right:-18px;bottom:52px}
.section.alt{background:linear-gradient(180deg,#fff,#f3f8ff)}
.group,.scene,.why-item{transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}
.group{position:relative;overflow:hidden}
.group::before{content:"";position:absolute;left:0;right:0;top:0;height:2px;opacity:0;
  background:linear-gradient(90deg,transparent,#38bdf8,transparent);transition:opacity .2s ease}
.group:hover,.scene:hover,.why-item:hover{transform:translateY(-3px);border-color:#bfdbfe;
  box-shadow:0 18px 45px rgba(37,99,235,.1)}
.group:hover::before{opacity:1}

.contact-section{padding-top:54px;padding-bottom:54px}
.contact-panel{position:relative;overflow:hidden;display:grid;grid-template-columns:1.15fr .85fr;
  gap:34px;align-items:center;padding:40px;border-radius:24px;
  background:linear-gradient(118deg,#07101f 0%,#0b1b36 58%,#0d2a4a 100%);
  border:1px solid rgba(125,211,252,.18);box-shadow:0 28px 80px rgba(2,6,23,.22)}
.contact-panel::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.7;
  background-image:linear-gradient(rgba(148,163,184,.07) 1px,transparent 1px),
    linear-gradient(90deg,rgba(148,163,184,.07) 1px,transparent 1px);
  background-size:38px 38px;
  -webkit-mask-image:linear-gradient(100deg,rgba(0,0,0,.8),transparent 72%);
  mask-image:linear-gradient(100deg,rgba(0,0,0,.8),transparent 72%)}
.contact-panel>*{position:relative;z-index:1}
.contact-panel .eyebrow{color:#67e8f9;margin-bottom:10px}
.contact-panel h2{color:#fff;font-size:clamp(26px,3.4vw,38px);letter-spacing:-.02em}
.contact-panel p{color:#a9b8d0;max-width:560px;margin:8px 0 0}
.contact-points{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}
.contact-points span{padding:5px 11px;border-radius:999px;border:1px solid rgba(125,211,252,.18);
  background:rgba(125,211,252,.06);color:#bae6fd;font-size:12.5px}
.wechat-card{display:grid;justify-items:start;gap:5px;padding:24px;border-radius:18px;
  background:rgba(255,255,255,.055);border:1px solid rgba(125,211,252,.24);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);backdrop-filter:blur(12px)}
.wechat-tag{font:700 10px/1.4 ui-monospace,SFMono-Regular,Consolas,monospace;
  letter-spacing:.18em;color:#67e8f9}
.wechat-card strong{font:800 clamp(24px,3vw,34px)/1.2 ui-monospace,SFMono-Regular,Consolas,monospace;
  color:#fff;letter-spacing:.02em;margin-top:2px}
.wechat-card>span:not(.wechat-tag){color:#93a9c5;font-size:13px}
.wechat-card .btn{margin-top:12px}

.footer{position:relative;background:#050a16;border-top:1px solid rgba(125,211,252,.14);
  padding:48px 0 26px;color:#cbd5e1}
.footer::before{content:"";position:absolute;left:0;right:0;top:-1px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(34,211,238,.7),rgba(59,130,246,.55),transparent)}
.footer-inner{align-items:flex-start;gap:40px}
.footer-brand strong{color:#fff;letter-spacing:.01em}
.footer-brand p{color:#8fa4bd}
.footer-links a{color:#b8c8dd}
.footer-links a:hover{color:#fff}
.footer-contact{display:grid;gap:5px;min-width:230px;padding-left:24px;
  border-left:1px solid rgba(148,163,184,.18)}
.footer-label{font:700 10px/1.4 ui-monospace,SFMono-Regular,Consolas,monospace;
  letter-spacing:.16em;color:#67e8f9}
.footer-contact strong{color:#fff;font:700 18px/1.3 ui-monospace,SFMono-Regular,Consolas,monospace}
.footer-contact>span:not(.footer-label){color:#8fa4bd;font-size:12.5px}
.footer-copy{margin-top:6px;width:max-content;padding:6px 10px;border-radius:8px;cursor:pointer;
  border:1px solid rgba(125,211,252,.25);background:rgba(34,211,238,.08);color:#a5f3fc;
  font:600 12px/1.4 inherit}
.footer-copy:hover{background:rgba(34,211,238,.14);border-color:rgba(125,211,252,.45)}
.footer-copy.copied{background:rgba(16,185,129,.16);border-color:rgba(52,211,153,.45);color:#a7f3d0}
.footer-meta{border-top-color:rgba(148,163,184,.16);color:#7f93ad}
.footer-meta a{color:#9fb3cf}
.foot-icp{color:#9fb3cf}

/* ===== 功能介绍细化（2026-10-17） ===== */
.tool{display:block;padding:0;border-bottom:1px dashed #eef2f7}
.tool-detail summary{list-style:none;cursor:pointer;display:grid;grid-template-columns:1fr auto;
  gap:3px 12px;padding:10px 0;position:relative}
.tool-detail summary::-webkit-details-marker{display:none}
.tool-detail summary .tool-name{font-size:15px;font-weight:700;color:var(--ink)}
.tool-detail summary .tool-desc{grid-column:1/-1;font-size:13.5px;color:var(--muted);line-height:1.55}
.tool-detail summary:hover .tool-name{color:var(--brand)}
.tool-toggle{grid-column:2;grid-row:1;align-self:start;white-space:nowrap;font-size:11px;
  font-weight:700;color:var(--brand);background:var(--soft);border-radius:999px;padding:3px 8px}
.tool-toggle::after{content:" +"}
.tool-detail[open] .tool-toggle::after{content:" −"}
.tool-detail[open] summary{padding-bottom:8px}
.tool-body{display:grid;gap:10px;padding:0 0 14px}
.tool-points{list-style:none;display:grid;gap:6px;margin:0}
.tool-points li{position:relative;padding-left:16px;font-size:13px;color:var(--ink2);line-height:1.5}
.tool-points li::before{content:"";position:absolute;left:0;top:7px;width:5px;height:5px;border-radius:50%;
  background:var(--brand);box-shadow:0 0 0 3px #eff6ff}
.tool-io{display:grid;gap:6px;padding:10px 12px;border-radius:10px;background:#f8fafc;
  border:1px solid var(--line);font-size:12.5px;color:var(--muted);line-height:1.5}
.tool-io b{color:var(--ink2);margin-right:8px}
.tool-more{justify-self:start;font-size:12.5px;font-weight:700;color:var(--brand)}

.mod-rows{display:grid;gap:12px}
.mod-card{display:grid;gap:10px;padding:16px;border:1px solid var(--line);border-radius:14px;
  background:linear-gradient(180deg,#fff,#fbfdff);color:var(--ink);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}
.mod-card:hover{text-decoration:none;transform:translateY(-2px);border-color:#bfdbfe;
  box-shadow:0 14px 34px rgba(37,99,235,.09)}
.mod-card-head{display:flex;align-items:center;justify-content:space-between;gap:10px}
.mod-card-head b{font-size:16px}
.mod-pain{margin:0;font-size:13.5px;color:var(--ink2);line-height:1.55}
.mod-feats{list-style:none;display:grid;gap:5px;margin:0}
.mod-feats li{position:relative;padding-left:15px;font-size:12.8px;color:var(--muted);line-height:1.5}
.mod-feats li::before{content:"";position:absolute;left:0;top:7px;width:4px;height:4px;border-radius:50%;
  background:var(--brand)}
.mod-io{display:grid;gap:4px;padding-top:9px;border-top:1px dashed var(--line);
  font-size:12px;color:var(--muted);line-height:1.5}
.mod-io b{color:var(--ink2);margin-right:6px}
.mod-more{font-size:12px;font-weight:700;color:var(--brand)}

.module-flow{padding:24px;margin:16px 0}
.flow-head{max-width:760px;margin-bottom:18px}
.flow-head h2{margin:4px 0 6px}
.flow-head p{color:var(--muted);margin:0}
.flow-steps{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.flow-steps li{display:flex;gap:12px;padding:16px;border:1px solid var(--line);
  border-radius:14px;background:#f8fafc}
.flow-no{flex:none;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;
  background:var(--soft);color:var(--brand2);font-weight:800}
.flow-steps h3{font-size:14px;margin-bottom:4px}
.flow-steps p{font-size:13px;color:var(--muted);margin:0;line-height:1.55}

@media (max-width:980px){
  .hero-inner{grid-template-columns:1fr;gap:34px}
  .mock{transform:none}
  .split{grid-template-columns:1fr;gap:24px}
  .groups{grid-template-columns:1fr}
  .scenes{grid-template-columns:1fr 1fr}
  .module-grid{grid-template-columns:1fr}
  .related{grid-template-columns:1fr 1fr}
  .admin-stats{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:720px){
  .nav{display:none;position:absolute;left:12px;right:12px;top:60px;background:#fff;
    border:1px solid var(--line);border-radius:14px;padding:10px;box-shadow:var(--shadow);
    flex-direction:column;gap:2px}
  .nav.open{display:flex}
  .nav-link{padding:11px 12px}
  .nav-toggle{display:block;margin-left:8px}
  .top-actions{margin-left:auto;gap:6px}
  .top-actions .btn-ghost{display:none}
  .section{padding:48px 0}
  .hero{padding:40px 0}
  .stats{grid-template-columns:repeat(2,1fr);max-width:none}
  .scenes{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .why{grid-template-columns:1fr}
  .related{grid-template-columns:1fr}
  .mock-body{grid-template-columns:90px 1fr;min-height:260px}
  .update-card{flex-direction:column;align-items:flex-start}
  .thread{grid-template-columns:1fr}
  .thread-arrow{display:none}
  .kv{grid-template-columns:96px 1fr}
  .auth{padding:28px 14px}
  .auth-card{padding:22px}
  .module-head{padding:20px}
  .cta-inner{align-items:flex-start}
  .admin-stats{grid-template-columns:repeat(2,1fr)}
  .footer{padding:34px 0 22px}
}
@media (prefers-reduced-motion:reduce){
  *{scroll-behavior:auto;transition:none}
  .btn:hover{transform:none}
}
/* 科技感升级 · 响应式覆盖 */
@media (max-width:980px){
  .hero .mock{transform:none}
  .hero-float{display:none}
  .contact-panel{grid-template-columns:1fr;gap:26px}
  .footer-inner{gap:28px}
  .footer-contact{border-left:0;padding-left:0;border-top:1px solid rgba(148,163,184,.18);
    padding-top:18px;width:100%}
}
@media (max-width:720px){
  .topbar-inner{height:60px}
  .hero{padding:54px 0 48px}
  .hero h1{font-size:clamp(34px,9vw,46px)}
  .hero .lead{font-size:16px}
  .hero-inner{gap:30px}
  .tech-rail{gap:12px;font-size:9.5px}
  .tech-rail span+span::before{width:10px}
  .contact-panel{padding:24px 20px;border-radius:18px}
  .wechat-card{padding:20px}
  .wechat-card strong{font-size:26px}
  .nav{background:#07101f;border-color:rgba(125,211,252,.18)}
  .nav-link{color:#cbd5e1}
  .nav-link:hover,.nav-link.active{background:rgba(125,211,252,.1);color:#fff}
  .flow-steps{grid-template-columns:1fr}
  .module-flow{padding:20px}
  .mod-card{padding:14px}
}
@media (prefers-reduced-motion:reduce){
  .hero-bg::after,.tech-rail i{animation:none}
  .group,.scene,.why-item{transition:none}
}

/* ===== 服务型官网（阶段一） ===== */
.pill.info{background:#eff6ff;color:#1d4ed8}
.hero-service .hero-copy h1{max-width:760px}
.service-console{position:relative;background:#081221;border:1px solid rgba(125,211,252,.24);
  border-radius:20px;box-shadow:0 28px 70px rgba(0,0,0,.35),inset 0 1px 0 rgba(255,255,255,.04);
  overflow:hidden;transform:rotate(-.5deg)}
.console-bar{display:flex;align-items:center;gap:7px;padding:13px 16px;background:#07101e;
  border-bottom:1px solid rgba(125,211,252,.14);color:#8ba1bc;font-size:12px}
.console-bar i{width:8px;height:8px;border-radius:50%;background:#1e3a5f;display:block}
.console-bar i:first-child{background:#f87171}.console-bar i:nth-child(2){background:#fbbf24}
.console-bar i:nth-child(3){background:#34d399}
.console-bar span{margin-left:4px;letter-spacing:.04em}
.console-bar b{margin-left:auto;color:#67e8f9;font:700 10px/1 ui-monospace,Consolas,monospace;
  border:1px solid rgba(34,211,238,.28);padding:5px 7px;border-radius:999px}
.console-body{padding:18px;display:grid;gap:12px;background:
  radial-gradient(80% 80% at 50% 0%,rgba(34,211,238,.09),transparent 70%)}
.console-row{display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:13px 14px;border:1px solid rgba(148,163,184,.16);border-radius:13px;
  background:rgba(15,27,47,.68)}
.console-label{font:700 11px/1.3 ui-monospace,Consolas,monospace;color:#7f93ad;letter-spacing:.04em}
.console-tags{display:flex;gap:5px;flex-wrap:wrap;justify-content:flex-end}
.console-tags i{font-style:normal;font-size:11px;color:#bae6fd;background:rgba(14,116,144,.25);
  border:1px solid rgba(34,211,238,.18);padding:4px 8px;border-radius:999px}
.console-tags.result i{color:#bbf7d0;background:rgba(5,150,105,.18);border-color:rgba(52,211,153,.22)}
.console-arrow{text-align:center;color:#22d3ee;font-size:18px;line-height:1;opacity:.75}
.console-focus{padding:16px;border:1px solid rgba(34,211,238,.26);border-radius:14px;
  background:linear-gradient(135deg,rgba(14,116,144,.25),rgba(15,27,47,.82));
  display:grid;gap:8px}
.console-focus b{color:#f8fafc;font-size:16px}
.console-focus ul{list-style:none;display:grid;gap:6px;color:#9fb3cf;font-size:12px}
.console-focus li::before{content:"✓";color:#34d399;margin-right:7px}
.console-live{justify-self:start;font-size:10px;font-weight:800;letter-spacing:.08em;color:#a5f3fc;
  border:1px solid rgba(34,211,238,.28);background:rgba(34,211,238,.08);padding:4px 8px;border-radius:999px}

.path-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.path-card{position:relative;padding:28px;overflow:hidden;background:linear-gradient(180deg,#fff,#f8fbff)}
.path-card::after{content:"";position:absolute;right:-40px;top:-40px;width:150px;height:150px;
  border-radius:50%;background:radial-gradient(circle,rgba(37,99,235,.12),transparent 70%);pointer-events:none}
.path-custom::after{background:radial-gradient(circle,rgba(124,58,237,.12),transparent 70%)}
.path-tag{display:inline-block;font:800 10px/1.4 ui-monospace,Consolas,monospace;letter-spacing:.12em;
  color:var(--brand);background:var(--soft);border:1px solid #dbeafe;padding:5px 9px;border-radius:999px}
.path-custom .path-tag{color:#6d28d9;background:#f5f3ff;border-color:#ddd6fe}
.path-card h3{font-size:24px;margin:16px 0 8px}
.path-card p{color:var(--ink2);min-height:52px}
.path-link{display:inline-flex;align-items:center;gap:6px;margin-top:6px;font-size:13.5px;font-weight:800}
.path-link span{transition:transform .18s ease}.path-link:hover span{transform:translateX(3px)}

.check-list{list-style:none;display:grid;gap:8px;margin:10px 0 0}
.check-list li{position:relative;padding-left:22px;color:var(--ink2);font-size:14px;line-height:1.55}
.check-list li::before{content:"✓";position:absolute;left:0;top:0;color:var(--ok);font-weight:900}
.check-list.large li{font-size:15px}
.x-list{list-style:none;display:grid;gap:8px;margin:10px 0 0}
.x-list li{position:relative;padding-left:22px;color:var(--ink2);font-size:14px;line-height:1.55}
.x-list li::before{content:"×";position:absolute;left:0;top:0;color:var(--danger);font-weight:900}

.section-foot{display:flex;justify-content:center;margin-top:22px}
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.service-card{padding:20px;display:grid;gap:12px;align-content:start;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}
.service-card:hover{transform:translateY(-3px);border-color:#bfdbfe;box-shadow:0 16px 38px rgba(37,99,235,.09)}
.service-card-head{display:flex;justify-content:space-between;align-items:center;gap:8px}
.service-no{font:800 12px/1 ui-monospace,Consolas,monospace;color:var(--brand);background:var(--soft);
  border-radius:8px;padding:6px 8px}
.service-card h3{font-size:18px;margin:0}
.service-pain{margin:0;color:var(--ink2);font-size:13.5px;min-height:62px}
.service-input{padding:9px 11px;border-radius:10px;background:#f8fafc;border:1px solid var(--line);
  display:grid;gap:3px;font-size:12px;color:var(--muted)}
.service-input b{color:var(--ink2);font-size:12px}
.service-output{display:grid;gap:6px;font-size:12.5px;color:var(--muted)}
.service-output>b{color:var(--ink2);font-size:12px}
.service-output ul{list-style:none;display:grid;gap:4px}
.service-output li{position:relative;padding-left:13px}
.service-output li::before{content:"";position:absolute;left:0;top:7px;width:4px;height:4px;border-radius:50%;background:var(--brand)}
.service-link{justify-self:start;font-size:12.5px;font-weight:800;color:var(--brand)}
.service-link span{transition:transform .18s ease}.service-link:hover span{transform:translateX(3px)}

.process-track{list-style:none;display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin:0}
.process-track li{position:relative;padding:16px;border:1px solid var(--line);border-radius:14px;
  background:linear-gradient(180deg,#fff,#f8fafc);display:grid;gap:8px}
.process-track li::after{content:"";position:absolute;right:-8px;top:50%;width:6px;height:6px;
  border-top:1px solid #93c5fd;border-right:1px solid #93c5fd;transform:rotate(45deg)}
.process-track li:last-child::after{display:none}
.process-no{font:800 11px/1 ui-monospace,Consolas,monospace;color:var(--brand2);width:28px;height:28px;
  display:grid;place-items:center;background:var(--soft);border-radius:50%}
.process-track b{font-size:14px}.process-track p{margin:3px 0 0;color:var(--muted);font-size:12.5px;line-height:1.5}
.promise-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:16px}
.promise-card{padding:16px;border:1px solid var(--line);border-radius:13px;background:#fff}
.promise-card b{display:block;font-size:14px;margin-bottom:5px}
.promise-card p{margin:0;color:var(--muted);font-size:12.5px;line-height:1.55}
.promise-stack{display:grid;gap:10px}

.sample-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.sample-card{padding:20px;display:grid;gap:10px;align-content:start}
.sample-card-head{display:flex;justify-content:space-between;align-items:center;gap:8px}
.sample-state{font-size:11px;color:#6d28d9;background:#f5f3ff;border:1px solid #ddd6fe;border-radius:999px;padding:3px 8px}
.sample-card h3{font-size:17px;margin:0}.sample-card p{margin:0;color:var(--ink2);font-size:13.5px}

.software-panel{display:grid;grid-template-columns:1.2fr .8fr;gap:30px;align-items:start}
.software-copy>p{color:var(--ink2)}
.software-side{padding:24px;background:linear-gradient(180deg,#0b1424,#07101d);border-color:rgba(125,211,252,.2);color:#dbeafe}
.software-side .eyebrow{color:#67e8f9}
.software-side h3{color:#fff;font-size:21px;margin:8px 0 10px}
.software-side>p{color:#9fb3cf;font-size:13.5px}
.software-version{display:grid;gap:5px;padding:14px;margin:16px 0;border:1px solid rgba(125,211,252,.18);
  border-radius:12px;background:rgba(34,211,238,.05);font-size:12px;color:#9fb3cf}
.software-version b{font-size:22px;color:#fff}.software-version .btn{justify-self:start;margin-top:5px}
.software-facts{display:grid;gap:6px;padding-top:14px;border-top:1px solid rgba(148,163,184,.18);font-size:12.5px;color:#9fb3cf}
.software-facts b{color:#fff}
.software-forum{display:grid;gap:4px;margin-top:18px;padding-top:14px;border-top:1px solid var(--line)}
.software-forum>b{font-size:13px;margin-bottom:3px}
.software-forum .post-row{background:#f8fafc}

.subhero{position:relative;overflow:hidden;background:
  radial-gradient(60% 70% at 86% 8%,rgba(34,211,238,.18),transparent 70%),
  radial-gradient(45% 50% at 8% 8%,rgba(59,130,246,.2),transparent 70%),
  linear-gradient(135deg,#050a16,#0b1a31);color:#e2e8f0;padding:58px 0}
.subhero::before{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(148,163,184,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(148,163,184,.06) 1px,transparent 1px);background-size:48px 48px;
  mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),transparent 88%);
  -webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),transparent 88%)}
.subhero.compact{padding:42px 0}
.subhero-inner{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:34px;align-items:center}
.subhero .eyebrow{color:#67e8f9}
.subhero h1{color:#fff;margin:10px 0 12px;font-size:clamp(28px,4.4vw,42px);max-width:700px}
.subhero .lead{color:#b6c7dc;max-width:680px}
.subhero .chip{background:rgba(255,255,255,.06);border-color:rgba(148,163,184,.25);color:#dbeafe}
.subhero-card{padding:22px;background:rgba(10,20,38,.78);border-color:rgba(125,211,252,.2);
  color:#dbeafe;box-shadow:0 18px 45px rgba(0,0,0,.25)}
.subhero-card h3{color:#fff;font-size:18px;margin:8px 0 10px}
.subhero-card .hint{color:#8fa4bd}
.micro-label{font:800 10px/1.4 ui-monospace,Consolas,monospace;letter-spacing:.12em;color:#67e8f9}
.mini-steps{list-style:none;display:grid;gap:10px;margin:12px 0 0;counter-reset:mini}
.mini-steps li{position:relative;padding-left:30px;display:grid;gap:2px;font-size:13px}
.mini-steps li::before{counter-increment:mini;content:counter(mini);position:absolute;left:0;top:0;
  width:20px;height:20px;border-radius:50%;display:grid;place-items:center;font-size:11px;font-weight:800;
  color:#67e8f9;background:rgba(34,211,238,.1);border:1px solid rgba(34,211,238,.25)}
.mini-steps b{color:#e2e8f0}.mini-steps span{color:#8fa4bd;font-size:12.5px;line-height:1.5}

.custom-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.custom-card{padding:20px;display:grid;gap:10px;align-content:start}
.custom-no{font:800 12px/1 ui-monospace,Consolas,monospace;color:#6d28d9;width:30px;height:30px;
  display:grid;place-items:center;background:#f5f3ff;border-radius:9px}
.custom-card h3{font-size:17px;margin:0}.custom-scene{margin:0;color:var(--ink2);font-size:13.5px;min-height:44px}
.custom-line{display:grid;gap:3px;padding-top:8px;border-top:1px dashed var(--line);font-size:12.5px;color:var(--muted)}
.custom-line b{color:var(--ink2);font-size:12px}
.boundary-card{padding:24px}.boundary-card h3{font-size:18px;margin:8px 0 0}

.consult-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:22px;align-items:start}
.consult-form-card{padding:28px}
.form-section{display:grid;gap:14px;padding:0 0 20px;margin:0 0 4px;border-bottom:1px dashed var(--line)}
.form-section:last-of-type{border-bottom:0;padding-bottom:4px}
.form-section-title{display:flex;align-items:center;gap:10px}
.form-section-title span{font:800 10px/1 ui-monospace,Consolas,monospace;color:var(--brand);
  background:var(--soft);padding:6px 8px;border-radius:8px}
.form-section-title h2{font-size:19px;margin:0}
.form-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.consult-aside{display:grid;gap:14px}
.aside-note{padding:20px}.aside-note h3{font-size:16px}
.sample-note-card .check-list li{color:#b6c7dc}.sample-note-card .check-list li::before{color:#34d399}

.admin-toolbar{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 14px}
.service-table{min-width:1080px}
.cell-wrap{white-space:normal!important;min-width:250px;max-width:410px}
.request-detail summary{cursor:pointer;color:var(--ink2);font-size:13px;line-height:1.5}
.request-detail>div{padding-top:8px;font-size:12.5px;color:var(--ink2)}
.request-detail p{margin:3px 0 8px;color:var(--muted);line-height:1.55}
.status-form{display:flex;gap:6px;align-items:center;margin-top:7px}
.status-form select{min-height:32px;padding:4px 7px;border:1px solid var(--line);border-radius:8px;background:#fff;font:inherit;font-size:12px}

@media (max-width:980px){
  .path-grid,.software-panel,.subhero-inner,.consult-layout{grid-template-columns:1fr}
  .service-grid,.sample-grid,.custom-grid{grid-template-columns:repeat(2,1fr)}
  .process-track{grid-template-columns:repeat(2,1fr)}
  .process-track li::after{display:none}
  .promise-grid{grid-template-columns:repeat(2,1fr)}
  .service-console{transform:none}
  .subhero-inner{gap:24px}
}
@media (max-width:720px){
  .service-grid,.sample-grid,.custom-grid,.promise-grid,.process-track{grid-template-columns:1fr}
  .path-card{padding:22px}.path-card p{min-height:0}
  .service-pain{min-height:0}
  .subhero{padding:42px 0}.subhero.compact{padding:34px 0}
  .subhero-inner{gap:20px}
  .subhero-card,.consult-form-card{padding:20px}
  .form-grid-2{grid-template-columns:1fr}
  .software-side{padding:20px}
  .consult-aside{order:-1}
  .service-table{min-width:900px}
  .console-row{align-items:flex-start;flex-direction:column}
  .console-tags{justify-content:flex-start}
}
.consult-aside .wechat-card{background:linear-gradient(135deg,#0b1424,#07101d);
  border-color:rgba(125,211,252,.25);box-shadow:0 16px 38px rgba(15,23,42,.18)}
.consult-aside .wechat-card strong{color:#fff}
.consult-aside .wechat-card>span:not(.wechat-tag){color:#9fb3cf}
.aside-note .mini-steps li::before{color:#0369a1;background:#e0f2fe;border-color:#bae6fd}
.aside-note .mini-steps b{color:var(--ink2)}
.aside-note .mini-steps span{color:var(--muted)}
/* ---- 场景 / 流程 / 关于 / FAQ ---- */
.solution-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.solution-card{padding:20px;display:grid;gap:11px;align-content:start;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}
.solution-card:hover{transform:translateY(-3px);border-color:#bfdbfe;box-shadow:0 16px 38px rgba(37,99,235,.09)}
.solution-card-head{display:flex;justify-content:space-between;align-items:center;gap:8px}
.solution-no{font:800 10px/1 ui-monospace,Consolas,monospace;letter-spacing:.08em;color:var(--muted)}
.solution-card h3{font-size:18px;margin:0;line-height:1.35}
.solution-card h3 a{color:inherit;text-decoration:none}
.solution-card h3 a:hover{color:var(--brand)}
.solution-desc{margin:0;color:var(--ink2);font-size:13.5px;line-height:1.6}
.solution-card .check-list li{font-size:12.5px}
.process-track.four{grid-template-columns:repeat(4,1fr)}
.process-track.six{grid-template-columns:repeat(6,1fr)}
.form-actions.centered{justify-content:center;margin-top:18px}
.trust-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.trust-card{padding:22px}
.trust-card b{display:block;font-size:17px;margin-bottom:7px}
.trust-card p{margin:0;color:var(--ink2);font-size:13.5px;line-height:1.65}
.trust-checks{padding:24px}
.trust-checks h3{font-size:19px;margin:8px 0 14px}
.trust-check{padding:12px 0;border-top:1px dashed var(--line)}
.trust-check:first-of-type{border-top:0;padding-top:0}
.trust-check b{display:block;font-size:14px;margin-bottom:4px}
.trust-check p{margin:0;color:var(--muted);font-size:12.5px;line-height:1.6}
.about-facts{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:14px}
.about-fact{padding:13px;border:1px solid rgba(125,211,252,.22);border-radius:12px;background:rgba(34,211,238,.05);display:grid;gap:4px}
.about-fact b{color:#fff;font-size:17px;line-height:1.2}
.about-fact span{color:#9fb3cf;font-size:12px}
.faq-group{margin-bottom:34px}
.faq-group:last-child{margin-bottom:0}
.faq-group .section-head.left{margin-bottom:16px}
.faq-group .section-head h2{font-size:24px}
@media (max-width:980px){
  .solution-grid{grid-template-columns:repeat(2,1fr)}
  .process-track.four,.process-track.six{grid-template-columns:repeat(3,1fr)}
  .trust-grid{grid-template-columns:1fr}
}
@media (max-width:720px){
  .solution-grid{grid-template-columns:1fr}
  .process-track.four,.process-track.six{grid-template-columns:1fr}
  .about-facts{grid-template-columns:1fr}
  .solution-card,.trust-card,.trust-checks{padding:18px}
}.about-principles{grid-template-columns:1fr 1fr}
@media (max-width:720px){.about-principles{grid-template-columns:1fr}}
.demo-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.demo-card{margin:0;overflow:hidden;padding:0}
.demo-shot{background:#eef4fb;border-bottom:1px solid var(--line);overflow:hidden}
.demo-shot img{display:block;width:100%;height:auto}
.demo-card figcaption{padding:15px 18px;display:grid;gap:5px}
.demo-card figcaption b{font-size:15px}
.demo-card figcaption span{color:var(--muted);font-size:12.5px;line-height:1.55}
.demo-gif{padding:12px;overflow:hidden}
.demo-gif img{display:block;width:100%;height:auto;border-radius:10px}
@media (max-width:980px){.demo-grid{grid-template-columns:1fr}}
/* ===== 浅色主题（2026-11-08） ===== */
:root{color-scheme:light}
body{background:#f7f9fc}
.topbar{background:rgba(255,255,255,.92);border-bottom:1px solid #e5ecf6;box-shadow:0 6px 24px rgba(15,23,42,.05)}
.brand{color:var(--ink)}
.brand-mark{background:linear-gradient(135deg,#3b82f6,#1d4ed8);box-shadow:0 8px 18px rgba(37,99,235,.22)}
.nav-link{color:#475569}
.nav-link:hover,.nav-link.active{background:#fff;color:var(--ink);box-shadow:0 2px 10px rgba(15,23,42,.08)}
.topbar .btn-ghost{background:#fff;border-color:#dbe4f0;color:var(--ink)}
.topbar .btn-ghost:hover{background:#f8fafc;border-color:#cbd5e1}
.topbar .nav-toggle{background:#fff;border-color:#dbe4f0}
.topbar .nav-toggle span{background:#334155}

.hero{background:linear-gradient(180deg,#fff 0%,#f3f8ff 68%,#eef5ff 100%);color:var(--ink)}
.hero-bg{background:radial-gradient(58% 60% at 82% 10%,rgba(59,130,246,.13),transparent 70%),
  radial-gradient(46% 52% at 8% 2%,rgba(124,58,237,.07),transparent 70%),
  linear-gradient(180deg,#fff,#f5f9ff 72%)}
.hero-bg::before{background-image:linear-gradient(rgba(37,99,235,.055) 1px,transparent 1px),
  linear-gradient(90deg,rgba(37,99,235,.055) 1px,transparent 1px)}
.hero-bg::after{display:none}
.hero-copy .badge{background:#eff6ff;border-color:#dbeafe;color:#1d4ed8;box-shadow:none}
.hero h1{color:var(--ink);background:none;-webkit-text-fill-color:currentColor;text-shadow:none}
.hero .lead{color:#475569}
.hero .chips .chip{background:#fff;border-color:#dbe4f0;color:#334155}
.hero .stat{background:#fff;border-color:#e2e8f0;box-shadow:0 8px 24px rgba(15,23,42,.05)}
.hero .stat b{color:var(--ink)}
.hero .stat span{color:var(--muted)}
.hero .btn-ghost{background:#fff;border-color:#dbe4f0;color:var(--ink)}
.hero .btn-ghost:hover{background:#f8fafc;border-color:#cbd5e1}
.tech-rail{color:#2563eb}
.tech-rail span+span::before{background:#bfdbfe}
.tech-rail i{background:#2563eb;box-shadow:0 0 0 4px rgba(37,99,235,.08)}
.hero-float{background:#fff;border-color:#dbeafe;color:#1d4ed8;box-shadow:0 10px 26px rgba(15,23,42,.1)}

.hero .mock{background:#fff;border-color:#dbeafe;box-shadow:0 22px 55px rgba(37,99,235,.12)}
.hero .mock-bar{background:#f8fafc;border-bottom-color:#e2e8f0}
.hero .mock-bar span{color:#64748b}
.hero .mock-body{border-color:#e2e8f0}
.hero .mock-side{background:#f8fafc;border-right-color:#e2e8f0}
.hero .mock-side b{color:#64748b}
.hero .mock-side u{background:#e2e8f0}
.hero .mock-main{background:#fff}
.hero .mock-card{background:#fff;border-color:#e2e8f0}
.hero .mock-card.big{background:linear-gradient(135deg,#eff6ff,#fff)}
.hero .mock-card b{color:var(--ink)}
.hero .mock-card em{color:var(--muted)}
.hero .mock-lines u{background:#eef2f7}

.service-console{background:#fff;border-color:#dbeafe;box-shadow:0 24px 60px rgba(37,99,235,.13)}
.console-bar{background:#f8fafc;border-bottom-color:#e2e8f0;color:#64748b}
.console-bar i{background:#cbd5e1}
.console-bar i:first-child{background:#fca5a5}.console-bar i:nth-child(2){background:#fcd34d}.console-bar i:nth-child(3){background:#86efac}
.console-bar b{color:#1d4ed8;border-color:#bfdbfe}
.console-body{background:radial-gradient(80% 80% at 50% 0%,rgba(59,130,246,.08),transparent 70%),#fff}
.console-row{background:#fff;border-color:#e2e8f0}
.console-label{color:#64748b}
.console-tags i{color:#1d4ed8;background:#eff6ff;border-color:#dbeafe}
.console-tags.result i{color:#047857;background:#ecfdf5;border-color:#a7f3d0}
.console-arrow{color:#3b82f6}
.console-focus{background:linear-gradient(135deg,#eff6ff,#f8fbff);border-color:#bfdbfe}
.console-focus b{color:var(--ink)}
.console-focus ul{color:#475569}
.console-live{color:#1d4ed8;border-color:#bfdbfe;background:#eff6ff}

.subhero{background:radial-gradient(60% 70% at 86% 8%,rgba(59,130,246,.11),transparent 70%),
  radial-gradient(45% 50% at 8% 8%,rgba(124,58,237,.06),transparent 70%),
  linear-gradient(135deg,#fff,#f5f9ff);color:var(--ink)}
.subhero::before{background-image:linear-gradient(rgba(37,99,235,.045) 1px,transparent 1px),
  linear-gradient(90deg,rgba(37,99,235,.045) 1px,transparent 1px)}
.subhero .eyebrow{color:var(--brand)}
.subhero h1{color:var(--ink)}
.subhero .lead{color:#475569}
.subhero .chip{background:#fff;border-color:#dbe4f0;color:#334155}
.subhero-card{background:#fff;border-color:#e2e8f0;color:var(--ink);box-shadow:0 18px 45px rgba(15,23,42,.08)}
.subhero-card h3{color:var(--ink)}
.subhero-card .hint{color:var(--muted)}
.micro-label{color:var(--brand)}
.mini-steps li::before{color:#1d4ed8;background:#eff6ff;border-color:#dbeafe}
.mini-steps b{color:var(--ink)}
.mini-steps span{color:var(--muted)}
.sample-note-card .check-list li{color:var(--ink2)}
.about-fact{background:#eff6ff;border-color:#dbeafe}
.about-fact b{color:var(--ink)}
.about-fact span{color:var(--muted)}

.cta-band{background:linear-gradient(135deg,#eff6ff,#e0f2fe);color:var(--ink);
  border-top:1px solid #dbeafe;border-bottom:1px solid #dbeafe}
.cta-band h2,.cta-band h3{color:var(--ink)}
.cta-band p{color:#475569}

.contact-panel{background:linear-gradient(118deg,#f8fbff,#eef6ff);border-color:#dbeafe;
  box-shadow:0 20px 50px rgba(37,99,235,.08)}
.contact-panel::before{background-image:linear-gradient(rgba(37,99,235,.05) 1px,transparent 1px),
  linear-gradient(90deg,rgba(37,99,235,.05) 1px,transparent 1px)}
.contact-panel .eyebrow{color:var(--brand)}
.contact-panel h2{color:var(--ink)}
.contact-panel p{color:#475569}
.contact-points span{border-color:#dbeafe;background:#fff;color:#1d4ed8}
.wechat-card{background:#fff;border-color:#dbeafe;box-shadow:0 10px 30px rgba(15,23,42,.06)}
.wechat-tag{color:var(--brand)}
.wechat-card strong{color:var(--ink)}
.wechat-card>span:not(.wechat-tag){color:var(--muted)}
.consult-aside .wechat-card{background:#fff;border-color:#dbeafe;box-shadow:0 10px 30px rgba(15,23,42,.06)}
.consult-aside .wechat-card strong{color:var(--ink)}
.consult-aside .wechat-card>span:not(.wechat-tag){color:var(--muted)}

.software-side{background:linear-gradient(180deg,#fff,#f5f9ff);border-color:#dbeafe;
  color:var(--ink);box-shadow:0 18px 45px rgba(15,23,42,.07)}
.software-side .eyebrow{color:var(--brand)}
.software-side h3{color:var(--ink)}
.software-side>p{color:var(--ink2)}
.software-version{border-color:#dbeafe;background:#eff6ff;color:var(--ink2)}
.software-version b{color:var(--ink)}
.software-facts{border-top-color:#e2e8f0;color:var(--muted)}
.software-facts b{color:var(--ink)}

.footer{background:#f8fafc;border-top:1px solid #e2e8f0;color:#475569}
.footer::before{background:linear-gradient(90deg,transparent,#93c5fd,transparent)}
.footer-brand strong{color:var(--ink)}
.footer-brand p{color:var(--muted)}
.footer-links a{color:#475569}
.footer-links a:hover{color:var(--brand)}
.footer-contact{border-left-color:#e2e8f0}
.footer-label{color:var(--brand)}
.footer-contact strong{color:var(--ink)}
.footer-contact>span:not(.footer-label){color:var(--muted)}
.footer-copy{border-color:#bfdbfe;background:#eff6ff;color:#1d4ed8}
.footer-copy:hover{background:#dbeafe;border-color:#93c5fd}
.footer-meta{border-top-color:#e2e8f0;color:var(--muted)}
.footer-meta a,.foot-icp{color:var(--muted)}

@media (max-width:720px){
  .nav{background:#fff;border-color:#e2e8f0;box-shadow:0 18px 40px rgba(15,23,42,.12)}
  .nav-link{color:#334155}
  .nav-link:hover,.nav-link.active{background:#eff6ff;color:#1d4ed8}
}

/* 阶段二：样例结构、真实界面与适用边界 */
.sample-stack{display:grid;gap:18px}
.sample-case{padding:24px;display:grid;gap:16px}
.sample-case-head{display:flex;justify-content:space-between;align-items:flex-start;gap:14px}
.sample-case-head h3{font-size:20px;margin:7px 0 0}
.sample-desc{margin:0;color:var(--ink2);font-size:14px;line-height:1.65}
.sample-fit-line{display:flex;align-items:flex-start;gap:9px;padding:10px 12px;border:1px solid #dbeafe;
  border-radius:11px;background:#f8fbff;color:#475569;font-size:12.5px;line-height:1.55}
.sample-fit-line b{flex:none;color:#1d4ed8;font-size:11px;letter-spacing:.04em}
.sample-meta-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.sample-meta-grid>div{display:grid;gap:4px;padding:13px;border:1px solid #e2e8f0;border-radius:11px;background:#f8fafc}
.sample-meta-grid b{font-size:11px;color:#64748b;font-weight:700}
.sample-meta-grid span{font-size:12.5px;color:#334155;line-height:1.5}
.sample-outputs{display:flex;flex-wrap:wrap;gap:5px}
.sample-outputs span{padding:2px 6px;border-radius:6px;background:#eff6ff;color:#1d4ed8}
.sample-steps{margin:8px 0 0;padding-left:20px;color:#334155;font-size:13px;line-height:1.7}
.sample-steps li+li{margin-top:3px}
.sample-actions{display:flex;flex-wrap:wrap;gap:8px}
.sample-detail{display:grid;gap:18px}
.sample-detail-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.sample-detail-grid.two{grid-template-columns:repeat(2,1fr)}
.sample-detail-block{padding:20px}
.sample-detail-block>b{display:block;margin-bottom:7px;color:#1d4ed8;font-size:11px;letter-spacing:.08em;text-transform:uppercase}
.sample-detail-block p{margin:0;color:#334155;font-size:13px;line-height:1.65}
.sample-evidence{display:grid;grid-template-columns:1fr 1.1fr;gap:22px;align-items:center;padding:24px;
  background:linear-gradient(135deg,#fff,#f7fbff)}
.sample-evidence h2{margin:7px 0 8px;font-size:20px}
.sample-evidence p{margin:0 0 10px;color:#475569;font-size:13px;line-height:1.65}
.sample-evidence img{width:100%;height:auto;display:block;border:1px solid #dbe4f0;border-radius:14px;
  box-shadow:0 18px 45px rgba(15,23,42,.1)}
.sample-fit-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.sample-fit-card{padding:22px}
.sample-fit-card h2{font-size:18px;margin:7px 0 12px}
.sample-table-card{padding:22px}
.sample-table-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px}
.sample-table-head h2{font-size:19px;margin:0}
@media (max-width:980px){
  .sample-meta-grid,.sample-detail-grid{grid-template-columns:repeat(2,1fr)}
  .sample-evidence,.sample-fit-grid{grid-template-columns:1fr}
}
@media (max-width:720px){
  .sample-case,.sample-detail-block,.sample-evidence,.sample-fit-card,.sample-table-card{padding:18px}
  .sample-meta-grid,.sample-detail-grid,.sample-detail-grid.two{grid-template-columns:1fr}
  .sample-case-head,.sample-table-head{flex-direction:column;align-items:flex-start}
}
/* 阶段三：/start 入口、交付规则与服务阶梯 */
.start-paths{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.start-path{display:grid;gap:10px;padding:22px;border:1px solid #dbe4f0;border-radius:16px;
  background:#fff;color:inherit;text-decoration:none;box-shadow:0 10px 28px rgba(15,23,42,.05);
  transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease}
.start-path:hover{border-color:#93c5fd;box-shadow:0 18px 40px rgba(37,99,235,.12);transform:translateY(-2px)}
.start-path.active{border-color:#60a5fa;background:linear-gradient(145deg,#fff,#eff6ff);
  box-shadow:0 20px 46px rgba(37,99,235,.14)}
.start-path-tag{width:34px;height:34px;display:grid;place-items:center;border-radius:10px;
  background:#eff6ff;color:#1d4ed8;font-size:12px;font-weight:800;letter-spacing:.06em}
.start-path strong{font-size:18px;line-height:1.35;color:var(--ink)}
.start-path p{margin:0;color:var(--ink2);font-size:13px;line-height:1.65}
.start-path .check-list{margin:0;display:grid;gap:5px}
.start-path .check-list li{font-size:12.5px;color:#475569}
.start-path-cta{margin-top:2px;color:#1d4ed8;font-size:12.5px;font-weight:700}
.delivery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.delivery-rule{padding:20px;border:1px solid #e2e8f0;border-radius:14px;
  background:linear-gradient(180deg,#fff,#f8fbff)}
.delivery-rule b{display:block;margin-bottom:7px;color:#1d4ed8;font-size:12px;letter-spacing:.04em}
.delivery-rule p{margin:0;color:#475569;font-size:13px;line-height:1.7}
.ladder{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;align-items:stretch}
.ladder-tier{position:relative;display:flex;flex-direction:column;gap:10px;padding:22px;
  border:1px solid #dbe4f0;border-radius:16px;background:linear-gradient(180deg,#fff,#f7fbff);
  box-shadow:0 12px 30px rgba(15,23,42,.05)}
.ladder-step{font-size:11px;font-weight:800;letter-spacing:.12em;color:#64748b}
.ladder-tier h3{margin:0;font-size:18px;line-height:1.4;color:var(--ink)}
.ladder-fit{margin:0;color:#334155;font-size:13px;line-height:1.6}
.ladder-tier .chips{margin:0}
.ladder-note{margin:auto 0 0;padding-top:10px;border-top:1px solid #e2e8f0;
  color:var(--muted);font-size:12px;line-height:1.6}
@media (max-width:980px){
  .start-paths,.delivery-grid,.ladder{grid-template-columns:1fr 1fr}
  .ladder-tier:last-child{grid-column:1 / -1}
}
@media (max-width:720px){
  .start-paths,.delivery-grid,.ladder{grid-template-columns:1fr}
  .ladder-tier:last-child{grid-column:auto}
  .start-path,.delivery-rule,.ladder-tier{padding:18px}
}
/* 阶段四：技术笔记、技术底座与转化内链 */
.path-grid{grid-template-columns:repeat(3,1fr)}
.tech-section{background:#fff}
.tech-pillars{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.tech-pillar{padding:18px;border:1px solid #dbe4f0;border-radius:14px;background:#f8fbff}
.tech-pillar b{display:block;margin-bottom:6px;color:#1d4ed8;font-size:13px}
.tech-pillar p{margin:0;color:#475569;font-size:12.5px;line-height:1.65}
.compact-pillars{grid-template-columns:1fr;gap:9px}
.compact-pillars .tech-pillar{padding:12px 14px;background:#fff}
.compact-pillars .tech-pillar b{font-size:12px;margin-bottom:3px}
.compact-pillars .tech-pillar p{font-size:12px;line-height:1.55}

.note-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.walkthrough-grid .note-card{border-color:#bfdbfe;background:linear-gradient(160deg,#fff,#f7fbff)}
.note-grid .note-card{display:flex;flex-direction:column;gap:9px;padding:20px;margin:0;
  color:inherit;text-decoration:none;transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease}
.note-grid .note-card:hover{border-color:#93c5fd;transform:translateY(-2px);box-shadow:0 18px 40px rgba(37,99,235,.1)}
.note-card-head,.home-note-head{display:flex;justify-content:space-between;align-items:center;gap:10px}
.note-kind{display:inline-flex;align-items:center;padding:3px 8px;border-radius:999px;
  background:#eff6ff;color:#1d4ed8;font-size:11px;font-weight:700;letter-spacing:.03em}
.note-date{color:#94a3b8;font-size:11px}
.note-grid .note-card h3{margin:0;font-size:17px;line-height:1.45;color:var(--ink)}
.note-grid .note-card p{margin:0;color:#475569;font-size:12.5px;line-height:1.65;flex:1}
.note-card-meta,.home-note-foot{display:flex;justify-content:space-between;align-items:center;gap:8px;
  color:#64748b;font-size:11.5px;flex-wrap:wrap}
.note-card-meta .tag,.home-note-foot .tag{font-size:10.5px;padding:2px 6px}
.note-more{color:#1d4ed8;font-size:12px;font-weight:700}

.home-notes{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.home-note{display:flex;flex-direction:column;gap:9px;padding:20px;color:inherit;text-decoration:none;
  transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease}
.home-note:hover{border-color:#93c5fd;transform:translateY(-2px);box-shadow:0 18px 40px rgba(37,99,235,.1)}
.home-note h3{margin:0;font-size:17px;line-height:1.45;color:var(--ink)}
.home-note p{margin:0;color:#475569;font-size:12.5px;line-height:1.65;flex:1}

.note-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:18px;align-items:start}
.note-body{padding:30px}
.note-section+.note-section{margin-top:26px;padding-top:24px;border-top:1px solid #e6edf6}
.note-section h2{margin:0 0 10px;font-size:21px}
.note-section p{margin:0 0 10px;color:#334155;font-size:14px;line-height:1.85}
.note-section .check-list{margin:10px 0 0}
.note-takeaways{background:linear-gradient(180deg,#fff,#f8fbff)}
.note-aside{display:grid;gap:14px;position:sticky;top:96px}
.note-side-card{padding:20px}
.note-side-card h3{margin:7px 0 8px;font-size:16px;line-height:1.45}
.note-side-card p{margin:0 0 10px;color:#475569;font-size:12.5px;line-height:1.65}
.note-cta-card{background:linear-gradient(150deg,#eff6ff,#fff);border-color:#bfdbfe}

.checklist-band{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:28px;
  background:linear-gradient(135deg,#eff6ff,#fff 60%)}
.checklist-band h2{margin:7px 0 8px;font-size:22px}
.checklist-band p{margin:0;color:#475569;font-size:13px;line-height:1.7}

@media (max-width:1180px){
  .path-grid{grid-template-columns:repeat(2,1fr)}
  .tech-pillars{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:980px){
  .path-grid,.tech-pillars,.note-grid,.home-notes{grid-template-columns:repeat(2,1fr)}
  .note-layout{grid-template-columns:1fr}
  .note-aside{position:static}
  .checklist-band{flex-direction:column;align-items:flex-start}
}
@media (max-width:720px){
  .path-grid,.tech-pillars,.note-grid,.home-notes{grid-template-columns:1fr}
  .note-body,.note-side-card,.checklist-band{padding:18px}
  .note-section h2{font-size:19px}
}
.sample-delivery-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.sample-delivery-strip>div{padding:18px;border:1px solid #dbe4f0;border-radius:14px;background:#f8fbff}
.sample-delivery-strip span{display:block;color:#1d4ed8;font-size:11px;font-weight:800;letter-spacing:.1em}
.sample-delivery-strip b{display:block;margin:5px 0 6px;font-size:14px;color:var(--ink)}
.sample-delivery-strip p{margin:0;color:#475569;font-size:12.5px;line-height:1.65}
@media (max-width:980px){.sample-delivery-strip{grid-template-columns:1fr}}
.hero-service .hero-copy h1{text-wrap:balance}