/* Qiao VPN — v4 components: content pages, checkout, forms, auth, account, chat, animations. */

/* content page hero (features/security/download/contact) — short titles fit one line on desktop */
.page-hero{padding-block:clamp(3rem,6vw,5rem) clamp(.5rem,2vw,1.5rem);text-align:center}
.page-hero h1{font-size:var(--t-3);max-width:24ch;margin:.7rem auto 0;line-height:1.06}
.page-hero .lead{margin:1.1rem auto 0;text-align:center}
.page-hero .kicker{margin-bottom:.2rem}

/* trust band (home) — qualitative promises, no numbers */
.trustband{display:grid;gap:var(--s3);grid-template-columns:1fr}
@media(min-width:720px){.trustband{grid-template-columns:repeat(3,1fr)}}
.tb-item{display:flex;gap:.8rem;align-items:flex-start;padding:1.2rem 1.3rem;background:var(--ink-1);
  border:1px solid var(--line);border-radius:var(--r-lg)}
.tb-item .icon-badge{width:38px;height:38px;border-radius:10px}
.tb-item .icon-badge svg{width:20px;height:20px}
.tb-item .tt{font-weight:700;color:var(--paper);font-size:var(--t-0)}
.tb-item p{font-size:var(--t--1);margin-top:.15rem}

/* checkout / guarantee section — tidy single panel */
.checkout{display:grid;gap:var(--s3);max-width:920px;margin:var(--s4) auto 0;text-align:center;justify-items:center}
.guarantee-badge{display:inline-flex;align-items:center;gap:.7rem;padding:.7rem 1.2rem;border-radius:var(--r-pill);
  background:color-mix(in srgb,var(--jade) 12%,transparent);border:1px solid color-mix(in srgb,var(--jade) 30%,transparent);
  color:var(--paper);font-weight:700;font-size:var(--t-0)}
.guarantee-badge svg{width:1.25em;height:1.25em;color:var(--jade)}
.pay-panel{width:100%;background:var(--ink-1);border:1px solid var(--line);border-radius:var(--r-lg);padding:clamp(1.4rem,3vw,2rem)}
.pay-panel .pt{font-weight:700;color:var(--paper);margin-bottom:1.1rem;font-size:var(--t-0)}
.paystrip .pl{height:40px;padding:.5rem .85rem;border-radius:12px;transition:transform .2s ease,border-color .2s ease}
.paystrip .pl:hover{transform:translateY(-2px);border-color:var(--line-2)}
.paystrip .pl svg{height:22px}
.trial-note{display:inline-flex;align-items:center;gap:.6rem;justify-content:center;
  color:var(--fg-soft);font-size:var(--t--1);max-width:46ch}
.trial-note svg{width:1.1em;height:1.1em;color:var(--amber);flex:0 0 auto}

/* feature grid */
.feature-grid{display:grid;gap:var(--s3);grid-template-columns:1fr}
@media(min-width:640px){.feature-grid{grid-template-columns:1fr 1fr}}
@media(min-width:980px){.feature-grid{grid-template-columns:repeat(3,1fr)}}
.feature-item{padding:1.5rem;background:var(--ink-1);border:1px solid var(--line);border-radius:var(--r-lg);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease}
.feature-item:hover{transform:translateY(-3px);border-color:var(--line-2);box-shadow:var(--sh-1)}
.feature-item .icon-badge{margin-bottom:1rem}
.feature-item h3{margin-bottom:.4rem}
.feature-item p{font-size:var(--t--1)}

/* download */
.dl-grid{display:grid;gap:var(--s3);grid-template-columns:1fr}
@media(min-width:560px){.dl-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1000px){.dl-grid{grid-template-columns:repeat(4,1fr)}}
.dl-card{display:flex;flex-direction:column;align-items:center;text-align:center;gap:.35rem;padding:1.8rem 1.3rem;
  background:var(--ink-1);border:1px solid var(--line);border-radius:var(--r-lg);transition:transform .25s ease,border-color .25s ease}
.dl-card:hover{transform:translateY(-4px);border-color:var(--amber)}
.dl-ico{width:60px;height:60px;border-radius:16px;display:grid;place-items:center;color:var(--paper);
  background:linear-gradient(160deg,var(--ink-2),var(--ink-3));border:1px solid var(--line-2);margin-bottom:.5rem}
.dl-ico svg{width:32px;height:32px}
.dl-card .dn{font-family:var(--serif);font-size:var(--t-1);font-weight:600;color:var(--paper)}
:root[lang="zh-Hans"] .dl-card .dn{font-family:var(--font-body)}
.dl-card .dr{font-size:var(--t--1);color:var(--fg-mute);margin-bottom:.8rem}
.dl-card .btn{width:100%;justify-content:center;margin-top:.4rem}
.dl-card .btn-store{background:var(--paper);color:#161616}
.dl-card .btn-store:hover{background:#fff}
.dl-card .soon{color:var(--fg-mute);font-size:var(--t--1);padding:.6rem}

/* steps */
.steps{display:grid;gap:var(--s3);grid-template-columns:1fr}
@media(min-width:760px){.steps{grid-template-columns:repeat(3,1fr)}}
.step{padding:1.6rem;background:var(--ink-1);border:1px solid var(--line);border-radius:var(--r-lg)}
.step .sn{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;font-weight:700;
  color:var(--on-amber);background:var(--amber);margin-bottom:.9rem}
.step h3{margin-bottom:.35rem}
.step p{font-size:var(--t--1)}

/* contact */
.contact-grid{display:grid;gap:var(--s4);grid-template-columns:1fr}
@media(min-width:900px){.contact-grid{grid-template-columns:1fr 1.1fr}}
.channel{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:1.1rem 1.2rem;
  background:var(--ink-1);border:1px solid var(--line);border-radius:var(--r-md)}
.channel + .channel{margin-top:.7rem}
.channel .ct{font-weight:700;color:var(--paper)}
.channel .cv{font-size:var(--t--1);color:var(--fg-soft)}
.channel .cn{font-size:var(--t--1);color:var(--fg-mute);margin-top:.15rem}
.channel .link{color:var(--amber);font-weight:700;font-size:var(--t--1);cursor:pointer}

/* forms */
.field{display:block;margin-bottom:1rem}
.field label{display:block;font-size:var(--t--1);font-weight:600;color:var(--fg-soft);margin-bottom:.4rem}
.field input,.field select,.field textarea{width:100%;font:inherit;font-size:var(--t-0);color:var(--fg);
  background:var(--ink);border:1px solid var(--line-2);border-radius:var(--r-md);padding:.75rem .9rem;
  transition:border-color .2s ease,box-shadow .2s ease}
.field textarea{min-height:130px;resize:vertical;line-height:1.5}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--amber);
  box-shadow:0 0 0 3px color-mix(in srgb,var(--amber) 22%,transparent)}
.field .hint{font-size:.78rem;color:var(--fg-mute);margin-top:.35rem}
.form-msg{padding:.8rem 1rem;border-radius:var(--r-md);font-size:var(--t--1);margin-bottom:1rem;display:none}
.form-msg.show{display:block}
.form-msg.ok{background:color-mix(in srgb,var(--jade) 14%,transparent);color:#cdeee2;border:1px solid color-mix(in srgb,var(--jade) 34%,transparent)}
.form-msg.bad{background:color-mix(in srgb,var(--rose) 14%,transparent);color:#f6d3d1;border:1px solid color-mix(in srgb,var(--rose) 34%,transparent)}
.btn-block{width:100%;justify-content:center}

/* auth card */
.auth-wrap{max-width:460px;margin:clamp(2rem,6vw,4rem) auto;padding-inline:1rem}
.auth-card{background:var(--ink-1);border:1px solid var(--line-2);border-radius:var(--r-xl);padding:clamp(1.6rem,4vw,2.4rem);box-shadow:var(--sh-2)}
.auth-tabs{display:flex;gap:.3rem;padding:.3rem;background:var(--ink);border:1px solid var(--line);border-radius:var(--r-pill);margin-bottom:1.6rem}
.auth-tabs button{flex:1;font:inherit;font-weight:700;font-size:var(--t--1);color:var(--fg-soft);border:0;cursor:pointer;
  padding:.6rem;border-radius:var(--r-pill);background:transparent;transition:color .2s,background .2s}
.auth-tabs button.on{color:var(--on-amber);background:var(--amber)}
.auth-card h1{font-size:var(--t-2);text-align:left;margin-bottom:.4rem}
.auth-card .lead{font-size:var(--t--1);text-align:left;margin-bottom:1.4rem;max-width:none}
.auth-alt{margin-top:1.2rem;text-align:center;font-size:var(--t--1);color:var(--fg-mute)}
.auth-alt a{color:var(--amber);font-weight:700;cursor:pointer}
.auth-pane{display:none} .auth-pane.on{display:block}
.auth-step{display:none} .auth-step.on{display:block}

/* account */
.acct-grid{display:grid;gap:var(--s3);grid-template-columns:1fr}
@media(min-width:820px){.acct-grid{grid-template-columns:1.2fr .8fr}}
.acct-card{background:var(--ink-1);border:1px solid var(--line);border-radius:var(--r-lg);padding:var(--s3)}
.acct-card h3{margin-bottom:1rem}
.acct-row{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:.8rem 0;border-top:1px solid var(--line)}
.acct-row:first-of-type{border-top:0}
.acct-row .dn{font-weight:600;color:var(--paper)}
.acct-row .dm{font-size:var(--t--1);color:var(--fg-mute)}
.plan-pill{display:inline-flex;align-items:center;gap:.5rem;padding:.4rem .9rem;border-radius:var(--r-pill);font-weight:700;
  background:color-mix(in srgb,var(--amber) 14%,transparent);color:var(--amber);border:1px solid color-mix(in srgb,var(--amber) 30%,transparent)}
.status-dot{width:8px;height:8px;border-radius:50%;background:var(--jade);box-shadow:0 0 8px var(--jade)}
.status-dot.off{background:var(--rose);box-shadow:none}
.btn-danger{color:var(--rose);background:transparent;border:1px solid color-mix(in srgb,var(--rose) 34%,transparent)}
.btn-danger:hover{background:color-mix(in srgb,var(--rose) 12%,transparent)}

/* live chat widget (signed-in) */
.chatw{position:fixed;right:20px;bottom:20px;z-index:80}
.chat-bubble{display:inline-flex;align-items:center;gap:.6rem;padding:.75rem 1.1rem;border-radius:var(--r-pill);
  background:var(--amber);color:var(--on-amber);font-weight:700;border:0;cursor:pointer;box-shadow:var(--sh-2);transition:transform .2s ease}
.chat-bubble:hover{transform:translateY(-2px)}
.chat-bubble svg{width:1.2em;height:1.2em}
.chat-panel{position:absolute;right:0;bottom:calc(100% + .8rem);width:min(360px,86vw);height:460px;display:none;
  flex-direction:column;background:var(--ink-1);border:1px solid var(--line-2);border-radius:var(--r-lg);box-shadow:var(--sh-2);overflow:hidden}
.chat-panel.open{display:flex}
.chat-head{padding:1rem 1.2rem;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:.6rem}
.chat-head .ch-t{font-weight:700;color:var(--paper)}
.chat-head .ch-x{margin-inline-start:auto;color:var(--fg-mute);cursor:pointer;background:none;border:0;font-size:1.2rem}
.chat-log{flex:1;overflow-y:auto;padding:1rem;display:flex;flex-direction:column;gap:.6rem}
.msg{max-width:80%;padding:.6rem .85rem;border-radius:14px;font-size:var(--t--1);line-height:1.45}
.msg.them{background:var(--ink-2);color:var(--fg);align-self:flex-start;border-bottom-left-radius:4px}
.msg.me{background:var(--amber);color:var(--on-amber);align-self:flex-end;border-bottom-right-radius:4px}
.chat-input{display:flex;gap:.5rem;padding:.7rem;border-top:1px solid var(--line)}
.chat-input input{flex:1;font:inherit;background:var(--ink);border:1px solid var(--line-2);border-radius:var(--r-pill);padding:.6rem .9rem;color:var(--fg)}
.chat-input input:focus{outline:none;border-color:var(--amber)}
.chat-input button{border:0;background:var(--amber);color:var(--on-amber);border-radius:50%;width:40px;height:40px;cursor:pointer;display:grid;place-items:center;flex:0 0 auto}
.chat-toast{position:absolute;right:0;bottom:calc(100% + .8rem);width:min(280px,80vw);padding:.9rem 1.1rem;background:var(--ink-1);
  border:1px solid var(--line-2);border-radius:var(--r-md);box-shadow:var(--sh-2);font-size:var(--t--1);color:var(--fg);display:none;cursor:pointer}
.chat-toast.show{display:block}

/* premium micro-animations */
.btn-primary:hover{transform:translateY(-1px)}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}
.float{animation:floaty 7s ease-in-out infinite}
@keyframes glowamber{0%,100%{box-shadow:0 12px 30px -14px rgba(240,180,91,.55)}50%{box-shadow:0 16px 42px -14px rgba(240,180,91,.85)}}
.glow-amber{animation:glowamber 3.8s ease-in-out infinite}
@media(prefers-reduced-motion:reduce){.float,.glow-amber{animation:none}}

/* responsive polish */
@media(max-width:560px){
  .hero{padding-top:2rem}
  .head-cta .btn-quiet{display:none}
  table.cmp{min-width:0}
  .channel{flex-direction:column;align-items:flex-start;gap:.4rem}
}
img,svg,video{max-width:100%}

/* legal prose */
.prose{color:var(--fg-soft);line-height:1.75}
.prose h1{font-size:var(--t-3);margin:0 0 1rem}
.prose h2{font-size:var(--t-1);color:var(--paper);margin:2rem 0 .6rem}
.prose h3{font-family:var(--font-body);font-size:var(--t-0);color:var(--paper);margin:1.4rem 0 .5rem;font-weight:700}
.prose p{margin:0 0 1rem}
.prose ul,.prose ol{margin:0 0 1.1rem 1.2rem;display:grid;gap:.45rem}
.prose li{color:var(--fg-soft)}
.prose strong{color:var(--paper)}
.prose a{color:var(--amber)}
.prose blockquote{border-left:2px solid var(--amber);padding:.7rem 1.1rem;background:var(--ink-1);border-radius:0 8px 8px 0;margin:0 0 1.4rem;color:var(--fg-mute);font-size:var(--t--1)}
.prose code{background:var(--ink-1);padding:.1rem .35rem;border-radius:4px;font-size:.9em}