/* ==========================================================================
   鲸帆优选 · 官网统一设计系统（2026-10-19 改版）
   与 App 夜配色一致：近黑底 · 哑光金 · 一套字阶 · 一套间距
   所有页面共用本文件；help.html 例外（App 内渲染，必须自包含）
   ========================================================================== */

:root{
  --bg:#0D0F12;
  --bg-soft:#12151A;
  --card:#171A1F;
  --card-2:#1C2026;
  --line:#262B32;
  --line-soft:#1E232A;
  --ink:#EDEAE3;
  --ink-2:#9A968C;
  --ink-3:#6B675E;
  --gold:#D2A24F;
  --gold-bright:#E8C87A;
  --gold-soft:rgba(210,162,79,.10);
  --gold-line:rgba(210,162,79,.30);
  --radius-sm:12px;
  --radius:16px;
  --radius-lg:24px;
  --max:1120px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --mono:"SF Mono","JetBrains Mono",Menlo,Consolas,monospace;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--bg);color:var(--ink-2);
  font-family:var(--font);font-size:15px;line-height:1.75;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
::selection{background:rgba(210,162,79,.28);color:#fff}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:6px}

/* ── 字阶：一种语气，不同声量 ───────────────────────────── */
h1,h2,h3,h4{color:var(--ink);font-weight:600;line-height:1.28}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.16em;color:var(--gold);
}
.eyebrow::before{content:"";width:18px;height:1px;background:var(--gold-line)}
.h1{font-size:clamp(34px,4.6vw,56px);line-height:1.14;letter-spacing:-.02em}
.h2{font-size:clamp(25px,3vw,36px);line-height:1.25;letter-spacing:-.01em}
.h3{font-size:17px;line-height:1.5}
.lede{font-size:16.5px;line-height:1.85;color:var(--ink-2);max-width:600px}
.body{font-size:15px;line-height:1.8;color:var(--ink-2)}
.small{font-size:13px;line-height:1.7;color:var(--ink-3)}
.micro{font-size:12px;line-height:1.6;color:var(--ink-3)}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.gold{color:var(--gold-bright)}
.ink{color:var(--ink)}
.hide{display:none!important}

/* ── 布局 ─────────────────────────────────────────────── */
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
[id]{scroll-margin-top:84px}
.section{padding:88px 0}
.section.tight{padding:64px 0}
.section-head{max-width:680px;margin-bottom:40px}
.section-head .h2{margin:14px 0 12px}
.section-head .lede{font-size:15.5px}
.grid{display:grid;gap:16px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.hairline{border:0;border-top:1px solid var(--line-soft)}

/* ── 顶部导航 ─────────────────────────────────────────── */
.hd{
  position:sticky;top:0;z-index:100;
  background:rgba(13,15,18,.82);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line-soft);
}
.hd-in{max-width:var(--max);margin:0 auto;padding:0 24px;height:64px;display:flex;align-items:center;gap:32px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand img{width:30px;height:30px;border-radius:9px}
.brand .brand-text{display:flex;align-items:baseline;gap:8px;white-space:nowrap}
.brand .brand-text b{font-size:16.5px;font-weight:600;color:var(--ink);letter-spacing:.02em}
.brand .brand-text i{font-style:normal;font-size:11px;color:var(--ink-3);letter-spacing:.08em}
.nav{display:flex;align-items:center;gap:26px;margin-left:auto}
.nav a{font-size:14px;color:var(--ink-2);transition:color .2s}
.nav a:hover{color:var(--ink)}
.hd-actions{display:flex;align-items:center;gap:10px;flex:none}
.user-chip{
  display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 14px 0 6px;
  border:1px solid var(--gold-line);border-radius:999px;background:var(--gold-soft);
  font-size:13.5px;color:var(--gold-bright);font-weight:600;white-space:nowrap;
}
.user-chip .avatar{
  width:28px;height:28px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(210,162,79,.22);color:var(--gold-bright);font-size:12px;font-weight:700;
}
.user-chip:hover{background:rgba(210,162,79,.16)}

/* ── 移动端菜单 ───────────────────────────────────────── */
.menu-btn{
  display:none;width:38px;height:38px;flex:none;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:11px;color:var(--ink-2);
}
.menu-btn:hover{border-color:var(--gold-line);color:var(--ink)}
.menu-btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round}
.mmenu{display:none}
.mmenu a{padding:12px 0;font-size:15px;color:var(--ink-2);border-bottom:1px solid var(--line-soft)}
.mmenu a:last-child{border-bottom:0;color:var(--gold-bright);font-weight:600}

/* ── 按钮：一级实心 / 二级描边 / 三级文字 ─────────────── */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;white-space:nowrap;cursor:pointer;
  transition:background-color .2s,border-color .2s,color .2s,transform .2s;
}
.btn:active{transform:translateY(1px)}
.btn svg{width:18px;height:18px;flex:none}
.btn-gold{background:var(--gold-bright);color:#1A1406}
.btn-gold:hover{background:#F2D793}
.btn-line{border-color:var(--line);color:var(--ink);background:transparent}
.btn-line:hover{border-color:var(--gold-line);color:var(--gold-bright)}
.btn-quiet{height:auto;padding:0;color:var(--gold-bright);font-weight:600}
.btn-quiet:hover{text-decoration:underline;text-underline-offset:4px}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.btn-lg{height:52px;padding:0 28px;font-size:16px}
.btn-block{width:100%}
.btn[disabled]{opacity:.5;cursor:not-allowed}

/* ── 首屏 ─────────────────────────────────────────────── */
.hero{position:relative;overflow:hidden;padding:76px 0 72px}
.hero::before{
  content:"";position:absolute;top:-320px;right:-180px;width:720px;height:720px;border-radius:50%;
  background:radial-gradient(circle,rgba(210,162,79,.10),rgba(210,162,79,0) 68%);pointer-events:none;
}
.hero::after{
  content:"";position:absolute;bottom:-260px;left:-220px;width:560px;height:560px;border-radius:50%;
  background:radial-gradient(circle,rgba(210,162,79,.05),rgba(210,162,79,0) 70%);pointer-events:none;
}
.hero-in{position:relative;z-index:1;display:grid;grid-template-columns:1.04fr .96fr;gap:56px;align-items:center}
.hero-copy .h1{margin:18px 0 20px}
.hero-copy .lede{max-width:530px}
.hero-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:32px}
.hero-meta{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:28px;font-size:12.5px;color:var(--ink-3)}
.hero-meta span{display:inline-flex;align-items:center;gap:8px}
.hero-meta span+span::before{content:"";width:3px;height:3px;border-radius:50%;background:var(--ink-3);opacity:.6}

/* 首屏右侧：产品界面示意（登录后状态） */
.showcase{position:relative;display:flex;justify-content:center}
.showcase::before{
  content:"";position:absolute;inset:8% 6%;border-radius:50%;
  background:radial-gradient(circle,rgba(210,162,79,.16),rgba(210,162,79,0) 62%);filter:blur(28px)
}
.phone{
  position:relative;width:302px;border-radius:40px;padding:10px;
  background:linear-gradient(180deg,#232830,#14171B);
  border:1px solid rgba(255,255,255,.10);
  box-shadow:0 40px 80px rgba(0,0,0,.55),0 2px 0 rgba(255,255,255,.05) inset;
}
.phone .screen{border-radius:31px;overflow:hidden;background:#101318;border:1px solid rgba(255,255,255,.04)}
.phone .notch{height:26px;display:flex;align-items:center;justify-content:space-between;padding:0 18px;color:var(--ink-3);font-size:10px}
.phone .appbar{padding:4px 16px 14px;display:flex;align-items:center;justify-content:space-between}
.phone .appbar .name{font-size:15px;font-weight:600;color:var(--ink);letter-spacing:.02em}
.phone .appbar .state{font-size:10.5px;color:var(--gold-bright);border:1px solid var(--gold-line);background:var(--gold-soft);padding:2px 8px;border-radius:999px}
.phone .pcard{margin:0 12px 10px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:13px 14px}
.phone .pcard-top{display:flex;align-items:center;gap:9px}
.phone .picon{width:30px;height:30px;border-radius:9px;background:rgba(210,162,79,.14);border:1px solid var(--gold-line);display:flex;align-items:center;justify-content:center;color:var(--gold-bright);font-size:12px}
.phone .ptitle{font-size:13px;color:var(--ink);font-weight:600}
.phone .psub{font-size:10.5px;color:var(--ink-3)}
.phone .pline{display:flex;justify-content:space-between;align-items:center;padding:7px 0;border-bottom:1px solid var(--line-soft);font-size:11.5px;color:var(--ink-2)}
.phone .pline:last-child{border-bottom:0;padding-bottom:0}
.phone .pline b{font-weight:600;color:var(--ink);font-size:11.5px}
.phone .pline b.gold{color:var(--gold-bright)}
.phone .prow{display:flex;align-items:center;justify-content:space-between;padding:9px 13px;border-bottom:1px solid var(--line-soft);font-size:11.5px;color:var(--ink-2)}
.phone .prow:last-child{border-bottom:0}
.phone .prow .dot{width:5px;height:5px;border-radius:50%;background:var(--gold);display:inline-block;margin-right:7px}
.phone .pfoot{padding:10px 14px 14px;text-align:center;font-size:9.5px;color:var(--ink-3)}
.showcase-tag{
  position:absolute;right:-14px;bottom:-16px;max-width:190px;
  background:rgba(23,26,31,.92);border:1px solid var(--line);border-radius:12px;padding:10px 12px;
  font-size:11px;line-height:1.6;color:var(--ink-2);backdrop-filter:blur(8px);
  box-shadow:0 16px 40px rgba(0,0,0,.45)
}
.showcase-tag b{display:block;color:var(--gold-bright);font-size:11.5px;font-weight:600;margin-bottom:2px}

/* ── 卡片 / 功能点 ───────────────────────────────────── */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.card-tight{padding:20px}
.icon-box{
  width:40px;height:40px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  background:var(--gold-soft);border:1px solid var(--gold-line);color:var(--gold-bright);margin-bottom:16px;
}
.icon-box svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.feature .h3{margin-bottom:8px}
.feature p{font-size:14px;line-height:1.8;color:var(--ink-2)}

/* 三步流程 */
.flow{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.flow-item{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.flow-num{
  display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:50%;
  border:1px solid var(--gold-line);background:var(--gold-soft);color:var(--gold-bright);
  font-family:var(--mono);font-size:13px;margin-bottom:14px;
}
.flow-item .h3{margin-bottom:6px}
.flow-item p{font-size:13.5px;line-height:1.8;color:var(--ink-2)}
.flow-item::after{
  content:"";position:absolute;top:38px;right:-16px;width:16px;height:1px;
  background:linear-gradient(90deg,var(--gold-line),transparent);
}
.flow-item:last-child::after{display:none}

/* ── 安装教学（官网首页 + install.html 共用） ─────────── */
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:22px}
.tab{
  height:40px;padding:0 18px;border-radius:999px;border:1px solid var(--line);
  color:var(--ink-2);font-size:14px;font-weight:600;transition:all .2s;
}
.tab:hover{border-color:var(--gold-line);color:var(--ink)}
.tab.on{background:var(--gold-soft);border-color:var(--gold-line);color:var(--gold-bright)}
.panel{display:none}
.panel.on{display:block}
.panel-head{display:flex;align-items:center;gap:10px;margin-bottom:18px;font-size:13px;color:var(--ink-3)}
.panel-head b{color:var(--ink);font-weight:600;font-size:14px}
.steps{list-style:none;display:grid;gap:12px;counter-reset:step}
.steps li{position:relative;display:flex;gap:14px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px 18px}
.steps li::before{
  counter-increment:step;content:counter(step);
  flex:none;width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:var(--gold-soft);border:1px solid var(--gold-line);color:var(--gold-bright);
  font-family:var(--mono);font-size:12px;margin-top:1px;
}
.steps .step-body{flex:1;min-width:0}
.steps .step-body b{color:var(--ink);font-weight:600}
.steps .step-body p{font-size:13.5px;line-height:1.8;color:var(--ink-2)}
.steps .step-body .hint{display:block;margin-top:4px;font-size:12.5px;color:var(--ink-3)}
.steps code{
  font-family:var(--mono);font-size:12.5px;color:var(--gold-bright);
  background:rgba(255,255,255,.05);border:1px solid var(--line-soft);border-radius:6px;padding:1px 7px;
}
.callout{
  display:flex;gap:10px;align-items:flex-start;margin-top:16px;padding:14px 16px;border-radius:var(--radius-sm);
  background:var(--gold-soft);border:1px solid var(--gold-line);font-size:13px;line-height:1.75;color:var(--ink-2);
}
.callout.info{background:rgba(255,255,255,.03);border-color:var(--line)}
.callout.warn{background:rgba(229,72,77,.07);border-color:rgba(229,72,77,.28)}
.callout b{color:var(--ink)}
.callout svg{width:17px;height:17px;flex:none;margin-top:2px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;color:var(--gold)}

/* 手机操作示意图（纯 CSS/SVG，不依赖真机截图） */
.device-note{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin:16px 0 4px}
.device-fig{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px;text-align:center}
.device-fig .fig-cap{margin-top:10px;font-size:12px;color:var(--ink-3)}
.device-fig svg{width:100%;max-width:250px;height:auto;margin:0 auto;display:block}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-sm);margin-top:16px}
table.brand{display:table;flex:none;gap:0;width:100%;border-collapse:collapse;font-size:13.5px;min-width:520px}
table.brand th,table.brand td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line-soft);vertical-align:top}
table.brand th{color:var(--ink);font-weight:600;background:rgba(255,255,255,.03);font-size:13px}
table.brand td{color:var(--ink-2);line-height:1.7}
table.brand td b{color:var(--ink);font-weight:600}
table.brand tr:last-child td{border-bottom:0}

/* ── 服务与价格 ──────────────────────────────────────── */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;align-items:stretch}
.plan{position:relative;display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:20px;padding:28px 24px}
.plan.hot{border-color:var(--gold-line);background:linear-gradient(180deg,rgba(210,162,79,.07),rgba(210,162,79,0) 46%)}
.plan-tag{
  position:absolute;top:-11px;left:24px;height:22px;padding:0 12px;border-radius:999px;
  background:var(--gold-bright);color:#1A1406;font-size:11px;font-weight:700;display:flex;align-items:center;
}
.plan .h3{font-size:16px;margin-bottom:10px}
.plan .amount{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;margin-bottom:18px}
.plan .amount b{font-family:var(--mono);font-size:32px;font-weight:600;color:var(--ink);letter-spacing:-.02em}
.plan .amount span{font-size:13px;color:var(--ink-3)}
.plan ul{list-style:none;margin:0 0 22px;display:grid;gap:8px}
.plan li{position:relative;padding-left:22px;font-size:13.5px;line-height:1.7;color:var(--ink-2)}
.plan li::before{content:"✓";position:absolute;left:0;top:0;color:var(--gold);font-weight:700;font-size:12px}
.plan li b{color:var(--ink);font-weight:600}
.plan .plan-cta{margin-top:auto}
.plan .plan-note{margin-top:10px;font-size:12px;line-height:1.65;color:var(--ink-3)}

/* ── 下载区 ──────────────────────────────────────────── */
.download{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:40px}
.download-in{display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:center}
.download .h2{margin-bottom:12px}
.download .body{max-width:460px}
.download-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:26px}
.download .small{margin-top:16px}
.qr-box{display:flex;flex-direction:column;align-items:center;gap:10px}
.qr-box img{width:168px;height:168px;border-radius:12px;background:#fff;padding:10px;border:1px solid var(--line)}
.qr-box span{font-size:12px;color:var(--ink-3)}
details.tech{margin-top:22px;font-size:12px;color:var(--ink-3)}
details.tech summary{cursor:pointer;color:var(--ink-3);list-style:none;display:inline-flex;align-items:center;gap:6px}
details.tech summary::-webkit-details-marker{display:none}
details.tech summary::after{content:"+";font-family:var(--mono)}
details.tech[open] summary::after{content:"−"}
details.tech .tech-body{margin-top:10px;padding:12px 14px;border:1px solid var(--line-soft);border-radius:10px;background:var(--bg-soft);line-height:1.9;word-break:break-all}

/* ── FAQ ─────────────────────────────────────────────── */
.faq{max-width:820px}
.faq details{border-bottom:1px solid var(--line-soft);padding:18px 0}
.faq details:first-of-type{border-top:1px solid var(--line-soft)}
.faq summary{
  cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:15px;font-weight:600;color:var(--ink);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);font-size:18px;color:var(--ink-3);font-weight:400;transition:transform .2s}
.faq details[open] summary::after{content:"−";color:var(--gold)}
.faq details p{margin-top:10px;font-size:14px;line-height:1.85;color:var(--ink-2)}

/* ── 页脚 ────────────────────────────────────────────── */
.ft{background:var(--bg-soft);border-top:1px solid var(--line-soft);padding:56px 0 32px;margin-top:8px}
.ft-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.ft-brand .brand{margin-bottom:12px}
.ft-brand p{font-size:13px;line-height:1.8;color:var(--ink-3);max-width:300px}
.ft-col h4{font-size:12px;font-weight:600;letter-spacing:.10em;color:var(--ink-3);margin-bottom:14px}
.ft-col a{display:block;font-size:13.5px;color:var(--ink-2);padding:4px 0;transition:color .2s}
.ft-col a:hover{color:var(--gold-bright)}
.ft-legal{margin-top:44px;padding-top:22px;border-top:1px solid var(--line-soft);display:grid;gap:6px}
.ft-legal p{font-size:12px;line-height:1.8;color:var(--ink-3)}
.ft-legal a{color:var(--ink-3);text-decoration:underline;text-underline-offset:3px}
.ft-legal a:hover{color:var(--ink-2)}

/* ── 法规/协议页（terms / privacy / refund / buy） ─────── */
.page-head{padding:64px 0 28px;border-bottom:1px solid var(--line-soft)}
.page-head .h1{font-size:clamp(28px,3.6vw,40px);margin-bottom:12px}
.page-head .lede{max-width:680px}
.page-head .small{margin-top:14px}
.doc{max-width:780px;padding:44px 0 8px}
.doc h2{font-size:18px;margin:36px 0 10px;color:var(--ink)}
.doc h2:first-child{margin-top:0}
.doc h3{font-size:15.5px;margin:22px 0 8px;color:var(--ink)}
.doc p,.doc li{font-size:14.5px;line-height:1.9;color:var(--ink-2)}
.doc p+p{margin-top:10px}
.doc ul,.doc ol{margin:8px 0 0 20px;display:grid;gap:6px}
.doc strong,.doc b{color:var(--ink);font-weight:600}
.doc a{color:var(--gold-bright)}
.doc code{font-family:var(--mono);font-size:13px;color:var(--gold-bright);background:rgba(255,255,255,.05);border:1px solid var(--line-soft);border-radius:6px;padding:1px 7px}
.doc .note{margin:22px 0;padding:14px 16px;border:1px solid var(--gold-line);background:var(--gold-soft);border-radius:var(--radius-sm);font-size:13.5px;line-height:1.8;color:var(--ink-2)}
.doc .note b{color:var(--gold-bright)}
.doc table{width:100%;border-collapse:collapse;font-size:13.5px;margin:14px 0;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.doc th,.doc td{padding:10px 14px;border-bottom:1px solid var(--line-soft);text-align:left}
.doc th{background:rgba(255,255,255,.03);color:var(--ink);font-weight:600}
.doc tr:last-child td{border-bottom:0}
.doc .doc-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:36px}

/* ── 其他 ────────────────────────────────────────────── */
.divider-note{display:flex;align-items:center;gap:14px;margin:28px 0;color:var(--ink-3);font-size:12px}
.divider-note::before,.divider-note::after{content:"";height:1px;flex:1;background:var(--line-soft)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ── 响应式 ──────────────────────────────────────────── */
@media(max-width:980px){
  .hero-in{grid-template-columns:1fr;gap:44px}
  .phone{width:280px}
  .showcase-tag{right:0;bottom:10px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .ft-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media(max-width:880px){
  .nav{display:none}
  .menu-btn{display:inline-flex}
  .mmenu{position:absolute;left:0;right:0;top:100%;display:none;grid-template-columns:1fr;
    background:#0D0F12;
    border-bottom:1px solid var(--line);padding:8px 20px 16px;box-shadow:0 24px 48px rgba(0,0,0,.5)}
  .hd.open .mmenu{display:grid}
  .hd-in{gap:16px}
  .hd-actions{margin-left:auto}
  .section{padding:64px 0}
  .grid-3,.plans,.flow{grid-template-columns:1fr}
  .flow-item::after{display:none}
  .download-in{grid-template-columns:1fr;gap:28px}
  .download{padding:28px 22px}
  .device-note{grid-template-columns:1fr}
  .section-head{margin-bottom:30px}
  .hero{padding:48px 0 56px}
  .hero-copy .h1{margin:14px 0 16px}
  .hero-actions{margin-top:26px}
  .showcase::before{inset:4% 10%}
}
@media(max-width:620px){
  .wrap{padding:0 20px}
  .hd-in{padding:0 16px;height:60px;gap:10px}
  .brand i{display:none}
  .brand img{width:28px;height:28px}
  .brand b{font-size:15.5px}
  .hd-actions .btn{height:36px;padding:0 13px;font-size:13px}
  .hd-register{display:none}
  .menu-btn{display:inline-flex;width:36px;height:36px}
  .user-chip{height:36px;padding:0 10px 0 4px;font-size:12px}
  .user-chip .avatar{width:24px;height:24px;font-size:11px}
  .hero-meta{flex-direction:column;gap:4px}
  .hero-meta span+span::before{display:none}
  .hero-meta span{font-size:12px}
  .grid-2,.grid-4{grid-template-columns:1fr}
  .phone{width:255px}
  .showcase-tag{position:static;max-width:none;margin-top:16px;text-align:left}
  .install-side .qr-wrap{display:none}
  .showcase{flex-direction:column;align-items:center}
  .ft-grid{grid-template-columns:1fr 1fr}
  .ft{padding:44px 0 26px}
  .ft-brand{grid-column:1/-1}
  .plan{padding:24px 20px}
  .doc{padding:32px 0 8px}
  .page-head{padding:44px 0 22px}
}
@media(max-width:420px){
  .hd-actions .js-guest{display:inline-flex}
  .hd-register{display:none}
  .hd-app{display:none}
  .user-chip{font-size:11.5px;gap:6px;padding:0 8px 0 3px}
  .user-chip .avatar{width:22px;height:22px;font-size:10px}
  .ft-grid{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .tabs{gap:6px}
  .tab{padding:0 14px;font-size:13px;height:36px}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
}