/* 首页（2026-10 改版，结构参照「顶栏 + Hero + 编号分节」的产品官网形式） */
.home{background:var(--white)}
.skip-link{position:absolute;left:-999px;top:8px;z-index:100;padding:8px 14px;border-radius:10px;background:var(--ink);color:#fff}
.skip-link:focus{left:16px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
:target{scroll-margin-top:84px}

/* 顶栏 */
.topbar{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.82);backdrop-filter:saturate(1.6) blur(18px);-webkit-backdrop-filter:saturate(1.6) blur(18px);border-bottom:1px solid rgba(16,19,28,.06)}
.topbar-inner{display:flex;align-items:center;gap:28px;max-width:1120px;margin:auto;padding:12px 24px}
.topbar .brand{font-size:1.02rem}
.topnav{display:flex;gap:4px;margin-left:auto}
.topnav a{padding:6px 12px;border-radius:999px;color:var(--muted);font-size:.9rem;text-decoration:none;transition:background .2s,color .2s}
.topnav a:hover{background:var(--paper);color:var(--ink)}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:13px 24px;border-radius:14px;font-weight:650;font-size:1rem;text-decoration:none;transition:transform .15s,background .2s,box-shadow .2s;white-space:nowrap}
.btn:active{transform:scale(.98)}
.btn:focus-visible{outline:3px solid var(--blue);outline-offset:3px}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 24px rgba(37,65,216,.22)}
.btn-primary:hover{background:var(--blue-dark)}
.btn-ghost{border:1px solid var(--line);color:var(--ink);background:#fff}
.btn-ghost:hover{border-color:#c5cbd8}
.btn-sm{padding:8px 16px;border-radius:999px;font-size:.88rem;box-shadow:none}
.btn-block{display:flex;width:100%}

/* Hero */
.hero2{display:flex;flex-direction:column;align-items:center;max-width:860px;margin:auto;padding:96px 24px 72px;text-align:center}
.hero2-icon{border-radius:24%;box-shadow:0 22px 60px rgba(37,65,216,.25)}
.hero2 h1{margin:28px 0 6px;font-size:clamp(3rem,7vw,5.2rem);line-height:1.05;letter-spacing:-.04em}
.hero2-slogan{margin:0;font-size:clamp(1.4rem,3vw,2rem);font-weight:650;letter-spacing:-.02em;color:var(--blue)}
.hero2-lead{max-width:640px;margin:22px 0 0;color:var(--muted);font-size:1.1rem;line-height:1.85}
.badges{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin:28px 0 0;padding:0;list-style:none}
.badges li{padding:6px 14px;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-size:.86rem;background:#fff}
.hero2-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:34px}
.hero2-note{margin:16px 0 0;color:var(--muted);font-size:.86rem}

/* 分节 */
.block{max-width:1120px;margin:auto;padding:96px 24px;border-top:1px solid rgba(16,19,28,.06)}
.block-head{max-width:720px;margin:0 auto 48px;text-align:center}
.kicker{margin:0;color:var(--blue);font-size:.82rem;font-weight:700;letter-spacing:.08em}
.block-head h2{margin:10px 0 12px;font-size:clamp(1.9rem,4vw,2.9rem);line-height:1.18;letter-spacing:-.035em}
.block-head p:last-child:not(.kicker){margin:0;color:var(--muted);font-size:1.05rem}
kbd{display:inline-block;min-width:1.8em;padding:1px 7px;border:1px solid var(--line);border-bottom-width:2px;border-radius:7px;background:#fff;font:inherit;font-size:.88em;color:var(--ink)}

/* 交互演示 */
.demo{max-width:860px;margin:auto}
.demo-tabs{display:flex;flex-wrap:wrap;justify-content:center;gap:6px;margin-bottom:22px}
.demo-tabs button{padding:8px 16px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--muted);font:inherit;font-size:.92rem;cursor:pointer;transition:all .2s}
.demo-tabs button:hover{color:var(--ink)}
.demo-tabs button[aria-selected=true]{border-color:var(--blue);background:var(--blue);color:#fff}
.demo-window{overflow:hidden;border:1px solid rgba(16,19,28,.08);border-radius:20px;background:linear-gradient(180deg,#fbfcff,#f3f5fb);box-shadow:var(--shadow)}
.demo-bar{display:flex;gap:7px;padding:14px 16px}
.demo-bar i{width:11px;height:11px;border-radius:50%;background:#dfe3eb}
.demo-search{display:flex;align-items:center;gap:12px;margin:0 20px;padding:14px 18px;border-radius:14px;background:#fff;box-shadow:0 2px 10px rgba(20,34,91,.06);font-size:1.15rem}
.demo-search svg{flex:none;width:20px;height:20px;fill:none;stroke:var(--muted);stroke-width:2;stroke-linecap:round}
.demo-query{min-height:1.4em}
.caret{width:2px;height:1.2em;margin-left:-10px;background:var(--blue);animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.demo-results{min-height:236px;margin:14px 20px 0;padding:0;list-style:none}
.demo-results li{display:grid;grid-template-columns:44px 1fr auto;gap:14px;align-items:center;padding:12px 14px;border-radius:12px;opacity:0;transform:translateY(6px);transition:opacity .35s,transform .35s}
.demo-results li.on{opacity:1;transform:none}
.demo-results li:first-child{background:rgba(37,65,216,.07)}
.demo-results .ico{display:grid;place-items:center;width:44px;height:44px;border-radius:10px;background:#fff;box-shadow:0 1px 4px rgba(20,34,91,.08);font-size:.72rem;font-weight:750;color:var(--blue)}
.demo-results .t{min-width:0}
.demo-results .t b{display:block;overflow:hidden;font-weight:620;text-overflow:ellipsis;white-space:nowrap}
.demo-results .t span{display:block;overflow:hidden;color:var(--muted);font-size:.86rem;text-overflow:ellipsis;white-space:nowrap}
.demo-results mark{padding:0 2px;border-radius:3px;background:#fff1b8;color:inherit}
.demo-results .where{color:var(--muted);font-size:.78rem;white-space:nowrap}
.demo-caption{margin:6px 0 0;padding:14px 20px 18px;color:var(--muted);font-size:.9rem;text-align:center}

/* 功能四柱 */
.pillars{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.pillar{padding:28px 24px;border-radius:22px;background:var(--paper)}
.pillar-no{display:inline-block;padding:3px 10px;border-radius:999px;background:var(--blue);color:#fff;font-size:.78rem;font-weight:700;letter-spacing:.06em}
.pillar h3{margin:18px 0 14px;font-size:1.22rem;letter-spacing:-.01em}
.pillar ul{margin:0;padding:0;list-style:none}
.pillar li{position:relative;margin:0 0 10px;padding-left:16px;color:var(--muted);font-size:.93rem;line-height:1.6}
.pillar li:before{content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;border-radius:50%;background:#b8c2f2}

/* 实测 */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat{padding:28px 22px;border:1px solid var(--line);border-radius:20px;text-align:center}
.stat strong{display:block;font-size:2.6rem;line-height:1.1;letter-spacing:-.04em;color:var(--blue)}
.stat small{font-size:.5em;color:var(--muted)}
.stat span{display:block;margin-top:8px;color:var(--muted);font-size:.9rem}
.fineprint{margin:16px 0 0;color:var(--muted);font-size:.82rem;text-align:center}
.sub-title{margin:56px 0 18px;font-size:1.05rem;text-align:center}
.formats{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;max-width:820px;margin:auto;padding:0;list-style:none}
.formats li{padding:8px 16px;border-radius:12px;background:var(--paper);font-size:.92rem}

/* 对比 */
.table-wrap{overflow-x:auto;max-width:900px;margin:auto}
.compare{width:100%;border-collapse:separate;border-spacing:0;font-size:.98rem}
.compare th,.compare td{padding:18px 20px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.compare thead th{color:var(--muted);font-size:.84rem;font-weight:600}
.compare tbody th{width:22%;font-weight:650}
.compare td:last-child{color:var(--muted)}
.compare .is-us th,.compare .is-us td{background:rgba(37,65,216,.06);border-bottom:0}
.compare .is-us th{border-radius:14px 0 0 14px;color:var(--blue)}
.compare .is-us td:last-child{border-radius:0 14px 14px 0}

/* 口碑 */
.voices{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}
.voice{margin:0;padding:26px;border:1px solid var(--line);border-radius:20px}
.voice blockquote{margin:0;line-height:1.75}
.voice figcaption{display:flex;flex-direction:column;margin-top:16px;font-size:.88rem}
.voice figcaption span{color:var(--muted)}
.voice-empty{grid-column:1/-1;max-width:640px;margin:auto;border-style:dashed;text-align:center;color:var(--muted)}
.voice-empty a{color:var(--blue);font-weight:620;text-decoration:none}

/* 定价 */
.plans{display:grid;grid-template-columns:1.15fr .85fr;gap:18px;max-width:860px;margin:auto}
.plan{display:flex;flex-direction:column;padding:34px 30px;border:1px solid var(--line);border-radius:24px}
.plan-main{border:2px solid var(--blue);box-shadow:var(--shadow)}
.plan-tag{margin:0;color:var(--blue);font-weight:700;font-size:.9rem}
.plan-price{margin:12px 0 4px;font-size:3rem;font-weight:760;letter-spacing:-.04em;line-height:1.1}
.plan-tbd{font-size:2rem;color:var(--muted)}
.plan-sub{margin:0 0 22px;color:var(--muted)}
.plan ul{flex:1;margin:0 0 26px;padding:0;list-style:none}
.plan li{position:relative;margin:0 0 10px;padding-left:24px;font-size:.95rem}
.plan li:before{content:"✓";position:absolute;left:0;color:var(--blue);font-weight:700}
.plan-later li:before{content:"·";font-size:1.4em;line-height:1}
.plan-foot{margin:12px 0 0;color:var(--muted);font-size:.82rem;text-align:center}

/* FAQ */
.faq{max-width:780px;margin:auto}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{position:relative;padding:22px 40px 22px 0;font-size:1.06rem;font-weight:620;cursor:pointer;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";position:absolute;right:4px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:1.5rem;font-weight:300;transition:transform .2s}
.faq details[open] summary:after{transform:translateY(-50%) rotate(45deg)}
.faq details p{margin:0;padding:0 0 22px;color:var(--muted);line-height:1.8}
.faq a{color:var(--blue)}
.contact-strip{display:flex;align-items:center;justify-content:space-between;gap:20px;max-width:780px;margin:48px auto 0;padding:24px 28px;border-radius:20px;background:var(--paper)}
.contact-strip div{display:flex;flex-direction:column}
.contact-strip span{color:var(--muted);font-size:.9rem}

/* 近期更新 */
.news{max-width:780px;margin:auto;padding:0;list-style:none}
.news a{display:flex;justify-content:space-between;gap:20px;padding:18px 4px;border-bottom:1px solid var(--line);text-decoration:none}
.news a:hover span{color:var(--blue)}
.news time{flex:none;color:var(--muted);font-size:.88rem}

/* 企业信息（精简） */
.company-mini{padding-top:48px;padding-bottom:48px}
.company-mini dl{display:grid;grid-template-columns:1.2fr 1fr 1.4fr;gap:24px;margin:0}
.company-mini dt{color:var(--muted);font-size:.8rem}
.company-mini dd{margin:4px 0 0;font-size:.9rem}
.company-mini dd span{color:var(--muted);font-size:.82rem}

/* 页脚 */
.footer2{display:grid;grid-template-columns:1fr 2fr;gap:40px;padding:56px max(24px,calc((100vw - 1072px)/2)) 40px;background:var(--paper);color:var(--muted);font-size:.9rem}
.footer2-brand p{margin:12px 0 0}
.footer2-brand .brand{color:var(--ink)}
.footer2 a{color:inherit;text-decoration:none}
.footer2 a:hover{color:var(--blue)}
.footer2-cols{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.footer2-cols h3{margin:0 0 12px;color:var(--ink);font-size:.88rem}
.footer2-cols a{display:block;margin:0 0 8px;overflow-wrap:anywhere}
.footer2-legal{grid-column:1/-1;margin:0;padding-top:24px;border-top:1px solid var(--line);font-size:.8rem;line-height:1.9}
.footer2-legal .icp{margin-left:8px}

/* 响应式 */
@media(max-width:860px){
  .topnav{display:none}
  .topbar-inner .btn{margin-left:auto}
}
@media(max-width:960px){
  .topbar-inner{gap:12px}
  .topnav a{padding:6px 8px}
  .pillars,.stats{grid-template-columns:repeat(2,1fr)}
  .footer2{grid-template-columns:1fr}
}
@media(max-width:640px){
  .topbar-inner{padding:10px 16px}
  .hero2{padding:64px 16px 56px}
  .block{padding:72px 16px}
  .pillars,.plans,.company-mini dl{grid-template-columns:1fr}
  .stats{gap:10px}
  .stat{padding:20px 12px}
  .stat strong{font-size:2rem}
  .demo-search{margin:0 12px;font-size:1rem}
  .demo-results{margin:12px 12px 0;min-height:260px}
  .demo-results li{grid-template-columns:38px 1fr;padding:10px}
  .demo-results .ico{width:38px;height:38px}
  .demo-results .where{display:none}
  .compare th,.compare td{padding:14px 12px;font-size:.9rem}
  .contact-strip{flex-direction:column;align-items:flex-start}
  .footer2-cols{grid-template-columns:repeat(2,1fr)}
}
@media(prefers-reduced-motion:reduce){.caret{animation:none}.demo-results li{transition:none}}