/* Are U OK 官网 — 纯 CSS，无构建步骤 */
:root{
  --bg:#07070c;--bg2:#0e0e16;--fg:#f3f3f7;--muted:#a3a6b4;--dim:#6d7080;
  --line:rgba(255,255,255,.08);--glass:rgba(255,255,255,.04);--glass2:rgba(255,255,255,.07);
  --o:#FF7A00;--brand:#FF4D2E;--p:#FF2A6D;
  --grad:linear-gradient(120deg,#FF8A00 0%,#FF4D2E 45%,#FF2A6D 100%);
  --r:20px;--max:1160px;
  color-scheme:dark;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:72px}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.7 -apple-system,BlinkMacSystemFont,"HarmonyOS Sans SC","PingFang SC","Noto Sans CJK SC","Microsoft YaHei",system-ui,sans-serif;overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* 背景：网格 + 光晕 */
.bg{position:fixed;inset:0;z-index:-1;pointer-events:none;overflow:hidden}
.bg::before{content:"";position:absolute;inset:-2px;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(ellipse 90% 70% at 50% 0%,#000 30%,transparent 75%);-webkit-mask-image:radial-gradient(ellipse 90% 70% at 50% 0%,#000 30%,transparent 75%);opacity:.55}
.orb{position:absolute;border-radius:50%;filter:blur(90px);opacity:.38;animation:drift 18s ease-in-out infinite alternate}
.orb.a{width:520px;height:520px;background:#FF5A1F;top:-180px;left:-120px}
.orb.b{width:460px;height:460px;background:#FF2A6D;top:120px;right:-160px;animation-delay:-6s;opacity:.28}
@keyframes drift{to{transform:translate(60px,40px) scale(1.08)}}

/* 顶栏 */
.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);background:rgba(7,7,12,.6);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.2px}
.brand img{width:32px;height:32px;border-radius:9px;box-shadow:0 0 0 1px var(--line),0 4px 18px rgba(255,77,46,.35)}
.brand small{color:var(--muted);font-weight:500;font-size:13px}
.links{display:flex;gap:26px;font-size:14.5px;color:var(--muted)}
.links a:hover{color:var(--fg)}
.nav .cta{padding:8px 16px;border-radius:999px;background:var(--grad);color:#fff;font-weight:600;font-size:14px;box-shadow:0 6px 22px rgba(255,77,46,.35)}
@media (max-width:860px){.links{display:none}}

/* 按钮 */
.btn{display:inline-flex;align-items:center;gap:12px;padding:13px 20px;border-radius:14px;font-weight:600;border:1px solid var(--line);background:var(--glass);transition:transform .2s,box-shadow .2s,background .2s;cursor:pointer;color:var(--fg);font-size:15px;line-height:1.25;text-align:left}
.btn svg{width:24px;height:24px;flex:none}
.btn small{display:block;font-weight:500;font-size:12px;color:var(--muted)}
.btn.primary{background:var(--grad);border-color:transparent;color:#fff;box-shadow:0 10px 32px rgba(255,77,46,.38)}
.btn.primary small{color:rgba(255,255,255,.85)}
.btn.primary:hover{transform:translateY(-2px);box-shadow:0 14px 40px rgba(255,77,46,.5)}
.btn[aria-disabled="true"]{opacity:.5;cursor:not-allowed}
.btn .tag{margin-left:6px;font-size:11px;padding:2px 7px;border-radius:999px;border:1px solid var(--line);color:var(--muted);font-weight:500;white-space:nowrap}

/* Hero */
.hero{padding:72px 0 64px}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;border:1px solid var(--line);background:var(--glass);font-size:13px;color:var(--muted)}
.dot{width:8px;height:8px;border-radius:50%;background:#34d399;box-shadow:0 0 0 0 rgba(52,211,153,.6);animation:ping 2s infinite}
@keyframes ping{70%{box-shadow:0 0 0 8px rgba(52,211,153,0)}100%{box-shadow:0 0 0 0 rgba(52,211,153,0)}}
h1{font-size:clamp(38px,6.4vw,68px);line-height:1.08;letter-spacing:-.5px;margin:20px 0 18px;font-weight:800}
.lead{font-size:clamp(16px,2vw,19px);color:var(--muted);max-width:560px;margin:0 0 30px}
.dl-row{display:flex;flex-wrap:wrap;gap:12px}
.meta{margin-top:14px;font-size:13px;color:var(--dim)}

/* 手机示意 */
.phone{justify-self:center;width:300px;max-width:100%;aspect-ratio:9/18.5;border-radius:44px;padding:12px;background:linear-gradient(160deg,#2a2a35,#121218);box-shadow:0 0 0 1px rgba(255,255,255,.08),0 40px 90px rgba(0,0,0,.6),0 0 90px rgba(255,77,46,.22);position:relative;animation:float 7s ease-in-out infinite}
@keyframes float{50%{transform:translateY(-10px)}}
.screen{height:100%;border-radius:34px;background:radial-gradient(120% 70% at 50% 0%,rgba(255,77,46,.22),transparent 60%),#0c0c12;overflow:hidden;display:flex;flex-direction:column;align-items:center;padding:42px 20px 22px;position:relative}
.screen::before{content:"";position:absolute;top:12px;left:50%;width:90px;height:24px;border-radius:14px;background:#000;transform:translateX(-50%)}
.s-title{font-size:13px;color:var(--muted)}
.s-time{font-size:30px;font-weight:700;font-variant-numeric:tabular-nums;margin:2px 0 18px;letter-spacing:1px}
.ring{width:176px;height:176px;border-radius:50%;display:grid;place-items:center;position:relative;background:conic-gradient(#FF4D2E 0 72%,rgba(255,255,255,.08) 72% 100%)}
.ring::after{content:"";position:absolute;inset:10px;border-radius:50%;background:#0c0c12}
.ring b{position:relative;z-index:1;width:126px;height:126px;border-radius:50%;background:var(--grad);display:grid;place-items:center;font-size:20px;color:#fff;box-shadow:0 0 40px rgba(255,77,46,.55);animation:pulse 2.6s ease-in-out infinite}
@keyframes pulse{50%{box-shadow:0 0 64px rgba(255,42,109,.75);transform:scale(1.03)}}
.chips{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin-top:20px}
.chips span{font-size:11.5px;padding:4px 10px;border-radius:999px;background:var(--glass2);border:1px solid var(--line);color:#d9dae2}
.s-card{margin-top:auto;width:100%;padding:12px 14px;border-radius:16px;background:var(--glass2);border:1px solid var(--line);font-size:12px;color:var(--muted);display:flex;gap:10px;align-items:center}
.s-card i{width:30px;height:30px;border-radius:10px;background:rgba(52,211,153,.15);display:grid;place-items:center;color:#34d399;font-style:normal;font-weight:700;flex:none}
.s-card strong{color:var(--fg);font-weight:600;display:block}

@media (max-width:900px){
  .hero{padding:44px 0 40px}
  .hero .wrap{grid-template-columns:1fr;gap:40px}
  .phone{width:260px}
}

/* 区块 */
section{padding:84px 0;position:relative}
.sec-head{max-width:680px;margin-bottom:40px}
.kicker{font-size:13px;letter-spacing:2px;color:var(--brand);font-weight:700;text-transform:uppercase}
h2{font-size:clamp(28px,4vw,42px);line-height:1.2;margin:10px 0 12px;letter-spacing:-.3px}
.sec-head p{color:var(--muted);margin:0;font-size:17px}
@media (max-width:600px){section{padding:60px 0}}

.grid{display:grid;gap:16px}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
@media (max-width:1000px){.g4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:860px){.g3{grid-template-columns:1fr}}
@media (max-width:560px){.g4{grid-template-columns:1fr}}

.card{position:relative;padding:24px;border-radius:var(--r);background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);transition:border-color .25s,transform .25s,background .25s;overflow:hidden}
.card:hover{border-color:rgba(255,77,46,.35);transform:translateY(-3px);background:var(--glass2)}
.card::before{content:"";position:absolute;inset:0;background:radial-gradient(400px circle at var(--mx,50%) var(--my,0%),rgba(255,77,46,.12),transparent 40%);opacity:0;transition:opacity .3s;pointer-events:none}
.card:hover::before{opacity:1}
.card h3{margin:14px 0 6px;font-size:18px}
.card p{margin:0;color:var(--muted);font-size:14.5px}
.ico{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(255,138,0,.18),rgba(255,42,109,.18));border:1px solid rgba(255,77,46,.25)}
.ico svg{width:22px;height:22px;stroke:#FF7A4D;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* 理念 */
.who{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.who span{padding:8px 14px;border-radius:999px;background:var(--glass);border:1px solid var(--line);font-size:14px}
.quote{margin-top:22px;padding:22px 24px;border-radius:var(--r);border:1px solid rgba(255,77,46,.25);background:linear-gradient(120deg,rgba(255,122,0,.08),rgba(255,42,109,.06));color:#e9e9ef;font-size:16px}

/* 工作原理 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:s;position:relative}
.steps::before{content:"";position:absolute;top:34px;left:6%;right:6%;height:2px;background:linear-gradient(90deg,transparent,rgba(255,77,46,.6),rgba(255,42,109,.6),transparent);background-size:200% 100%;animation:flow 4s linear infinite}
@keyframes flow{to{background-position:-200% 0}}
.step{position:relative;text-align:center;padding:0 6px}
.step .n{width:68px;height:68px;margin:0 auto 14px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:22px;background:#0e0e16;border:1px solid rgba(255,77,46,.45);box-shadow:0 0 26px rgba(255,77,46,.25);position:relative;z-index:1}
.step h3{margin:0 0 6px;font-size:17px}
.step p{margin:0;color:var(--muted);font-size:14px}
@media (max-width:860px){
  .steps{grid-template-columns:1fr;gap:0}
  .steps::before{top:34px;bottom:60px;left:33px;right:auto;width:2px;height:auto;background:linear-gradient(180deg,rgba(255,77,46,.6),rgba(255,42,109,.6))}
  .step{display:grid;grid-template-columns:68px 1fr;gap:4px 18px;text-align:left;padding:0 0 26px}
  .step .n{margin:0;grid-row:span 2}
  .step h3{align-self:end}
}
.note{margin-top:30px;display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.note div{padding:18px 20px;border-radius:16px;border:1px dashed rgba(255,255,255,.14);font-size:14px;color:var(--muted)}
.note b{color:var(--fg);display:block;margin-bottom:4px;font-size:15px}
@media (max-width:860px){.note{grid-template-columns:1fr}}

/* 下载 */
.dl{border-radius:28px;padding:48px;border:1px solid var(--line);background:radial-gradient(80% 120% at 0% 0%,rgba(255,122,0,.16),transparent 60%),radial-gradient(80% 120% at 100% 100%,rgba(255,42,109,.14),transparent 60%),var(--bg2);display:grid;grid-template-columns:auto 1fr;gap:40px;align-items:center}
.dl img{width:120px;height:120px;border-radius:28px;box-shadow:0 20px 50px rgba(255,77,46,.35)}
.dl h2{margin-top:0}
.dl-info{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px 18px;font-size:13px;color:var(--dim)}
.dl-info code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;color:var(--muted);word-break:break-all}
@media (max-width:760px){.dl{grid-template-columns:1fr;padding:28px 22px;gap:22px}.dl img{width:84px;height:84px;border-radius:20px}}
@media (max-width:480px){.dl-row .btn{width:100%}}

/* 页脚 */
footer{border-top:1px solid var(--line);padding:40px 0 48px;color:var(--dim);font-size:14px}
footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:20px}
footer nav{display:flex;flex-wrap:wrap;gap:20px}
footer a:hover{color:var(--fg)}
footer .icp{margin-top:6px;font-size:13px}

/* 渐显 */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}

/* 法律文档页 */
.doc{max-width:820px;margin:40px auto 60px;padding:40px 44px;border-radius:24px;background:rgba(255,255,255,.03);border:1px solid var(--line);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.doc h1{font-size:clamp(26px,4vw,34px);margin:0 0 18px;line-height:1.3}
.doc h2{font-size:20px;margin:2em 0 .6em;padding-top:1em;border-top:1px solid var(--line)}
.doc h3{font-size:17px;margin:1.4em 0 .4em}
.doc p,.doc li{color:#d6d7de;margin:.5em 0;font-size:15.5px;line-height:1.85}
.doc ul,.doc ol{padding-left:1.4em}
.doc strong{color:#fff;font-weight:600}
.doc a{color:#FF7A4D;word-break:break-all}
.doc .tbl{overflow-x:auto;margin:1em 0}
.doc table{border-collapse:collapse;width:100%;font-size:14px}
.doc th,.doc td{border:1px solid var(--line);padding:9px 12px;text-align:left;vertical-align:top;color:#d6d7de}
.doc th{background:rgba(255,255,255,.05);color:#fff}
.doc-tabs{display:flex;gap:8px;margin-bottom:26px;flex-wrap:wrap}
.doc-tabs a{padding:7px 14px;border-radius:999px;border:1px solid var(--line);font-size:14px;color:var(--muted)}
.doc-tabs a.on{background:var(--grad);border-color:transparent;color:#fff}
@media (max-width:600px){.doc{margin:20px 12px 40px;padding:24px 18px;border-radius:18px}}

/* 应用截图 */
.shots{display:grid;grid-template-columns:repeat(5,1fr);gap:22px;align-items:start}
.shot{margin:0;text-align:center}
.shot-phone{border-radius:34px;padding:8px;background:linear-gradient(160deg,#2a2a35,#121218);box-shadow:0 0 0 1px rgba(255,255,255,.08),0 24px 60px rgba(0,0,0,.55),0 0 50px rgba(255,77,46,.16);transition:transform .3s,box-shadow .3s}
.shot-phone img{width:100%;height:auto;border-radius:27px;aspect-ratio:720/1625;background:#f7f3f0}
.shot:hover .shot-phone{transform:translateY(-6px);box-shadow:0 0 0 1px rgba(255,77,46,.35),0 30px 70px rgba(0,0,0,.6),0 0 70px rgba(255,77,46,.28)}
.shot figcaption{margin-top:16px;font-size:13.5px;color:var(--muted);line-height:1.55}
.shot figcaption b{display:block;color:var(--fg);font-size:16px;margin-bottom:2px}
@media (max-width:980px){
  .shots{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;margin:0 -20px;padding:6px 20px 18px;scrollbar-width:thin}
  .shot{flex:0 0 min(62vw,260px);scroll-snap-align:center}
  .shots .reveal{opacity:1;transform:none}
}
/* 宣传视频 */
.video-box{position:relative;border-radius:24px;padding:10px;background:linear-gradient(135deg,rgba(255,138,0,.35),rgba(255,42,109,.35));box-shadow:0 30px 80px rgba(0,0,0,.55),0 0 80px rgba(255,77,46,.2)}
.video-box video{display:block;width:100%;height:auto;aspect-ratio:16/9;border-radius:16px;background:#07070c}
@media (max-width:600px){.video-box{padding:5px;border-radius:16px}.video-box video{border-radius:12px}}
/* v0.11.11：中英文切换 */
.nav-r{display:flex;align-items:center;gap:10px}
.nav .lang{padding:7px 12px;border-radius:999px;border:1px solid var(--line);font-size:13.5px;color:var(--muted);line-height:1}
.nav .lang:hover{color:var(--fg);border-color:var(--fg)}
.doc-note{font-size:14px;color:var(--muted);border:1px solid var(--line);border-radius:12px;padding:10px 14px;margin:0 0 20px}
/* 2026-10-15 改版：理念引语 / 人群 / 无障碍 / 订阅 / 团队 */
.hero-tags{list-style:none;padding:0;margin:18px 0 0;display:flex;flex-wrap:wrap;gap:8px}
.hero-tags li{font-size:13px;color:var(--muted);padding:5px 12px;border-radius:999px;border:1px solid var(--line);background:var(--glass)}
.hero-tags li::before{content:"✓ ";color:#34d399}
.motto{margin:0 0 28px;padding:30px 32px;border-radius:24px;border:1px solid rgba(255,77,46,.28);background:linear-gradient(120deg,rgba(255,122,0,.10),rgba(255,42,109,.07));position:relative;overflow:hidden}
.motto::before{content:"“";position:absolute;right:22px;top:-26px;font-size:150px;line-height:1;font-weight:800;color:rgba(255,77,46,.16)}
.motto p{margin:0 0 12px;font-size:clamp(20px,2.8vw,28px);line-height:1.5;font-weight:700;position:relative}
.motto footer{border:0;padding:0;font-size:15.5px;color:var(--muted)}
.motto footer b{color:var(--fg);font-weight:600}
.people{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.person{display:flex;gap:14px;align-items:flex-start;padding:18px 18px;border-radius:18px;background:var(--glass);border:1px solid var(--line)}
.person .ico{flex:none}
.dl-info[hidden]{display:none}
.person h3{margin:2px 0 4px;font-size:16px}
.person p{margin:0;color:var(--muted);font-size:13.5px;line-height:1.6}
@media (max-width:1000px){.people{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.people{grid-template-columns:1fr}}
.badge{display:inline-block;vertical-align:middle;margin-left:6px;font-size:11px;font-weight:700;padding:2px 8px;border-radius:999px;background:var(--grad);color:#fff;line-height:1.5}
.a11y{margin-top:26px;padding:28px 30px;border-radius:24px;border:1px solid var(--line);background:var(--bg2);display:grid;grid-template-columns:1fr 1.1fr;gap:28px;align-items:center}
.a11y h3{margin:6px 0 8px;font-size:22px}
.a11y p{margin:0;color:var(--muted);font-size:15px}
.a11y ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.a11y li{padding:7px 13px;border-radius:999px;border:1px solid rgba(255,77,46,.28);background:rgba(255,77,46,.07);font-size:13.5px}
@media (max-width:860px){.a11y{grid-template-columns:1fr;padding:22px 20px;gap:18px}}
#video .meta{margin-top:16px}
.plan h3{margin:0;font-size:20px}
.plan .plan-sub{color:var(--muted);font-size:14px;margin:2px 0 14px}
.plan ul{list-style:none;margin:0;padding:0}
.plan li{position:relative;padding:7px 0 7px 26px;font-size:14.5px;color:#d9dae2;border-top:1px solid var(--line)}
.plan li::before{content:"";position:absolute;left:2px;top:13px;width:12px;height:7px;border-left:2px solid #FF7A4D;border-bottom:2px solid #FF7A4D;transform:rotate(-45deg)}
.plan-free{border-color:rgba(52,211,153,.4);background:linear-gradient(160deg,rgba(52,211,153,.10),transparent 60%),var(--glass)}
.plan-free li::before{border-color:#34d399}
.plans + .meta{margin-top:16px}
.team{display:grid;grid-template-columns:1.3fr .9fr;gap:36px;align-items:center;padding:40px;border-radius:28px;border:1px solid var(--line);background:radial-gradient(70% 120% at 0% 0%,rgba(255,122,0,.13),transparent 60%),var(--bg2)}
.team h2{margin-top:8px}
.team-p{color:var(--muted);font-size:16.5px;margin:0}
.team-p b{color:var(--fg)}
.facts{display:grid;gap:12px}
.facts div{padding:16px 18px;border-radius:16px;border:1px solid var(--line);background:var(--glass)}
.facts b{display:block;font-size:18px}
.facts span{color:var(--muted);font-size:14px}
@media (max-width:860px){.team{grid-template-columns:1fr;padding:26px 22px;gap:22px}}
.road{margin-top:22px;padding:26px 30px;border-radius:24px;border:1px dashed rgba(255,255,255,.16)}
.road h3{margin:0 0 14px;font-size:18px}
.road h3 small{font-weight:500;font-size:13px;color:var(--dim);margin-left:8px}
.road ol{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.road li b{display:block;color:var(--brand);font-size:15px;margin-bottom:2px}
.road li span{color:var(--muted);font-size:14px}
@media (max-width:760px){.road{padding:20px}.road ol{grid-template-columns:1fr}}
.closing{text-align:center;margin:44px 0 0;font-size:clamp(18px,2.4vw,24px);font-weight:700;letter-spacing:.5px}
.links{gap:22px}
@media (max-width:1100px){.links{gap:16px;font-size:14px}}
@media (max-width:980px){.links{display:none}}
@media (max-width:420px){.brand small{display:none}}

/* 一图读懂 */
.yitu-box{position:relative;max-width:620px;margin:0 auto;max-height:1100px;overflow:hidden;border-radius:24px;padding:8px;background:linear-gradient(135deg,rgba(255,138,0,.35),rgba(255,42,109,.35));box-shadow:0 30px 80px rgba(0,0,0,.55)}
.yitu-box img{display:block;width:100%;height:auto;border-radius:18px}
.yitu-fade{position:absolute;left:0;right:0;bottom:0;height:180px;background:linear-gradient(to bottom,rgba(7,7,12,0),rgba(7,7,12,.95));pointer-events:none}
@media (max-width:600px){.yitu-box{max-height:760px;border-radius:16px;padding:5px}}


.btn.soon[aria-disabled="true"]{opacity:.9;cursor:default}
.btn.soon .tag{border-color:var(--o);color:var(--o)}