/* ============================================================
   travel-download.css — 行迹门户「扫码下载」弹窗
   风格延续 travel.css 主题 token（粉/暖白、Fraunces 衬线），
   动效对齐 iOS 丝滑：spring 缓动 + 毛玻璃 + 安全区适配。
   ============================================================ */

.dl-modal{position:fixed;inset:0;z-index:1000;display:grid;place-items:center;padding:clamp(16px,4vw,28px);visibility:hidden;pointer-events:none}
.dl-modal.is-open{visibility:visible;pointer-events:auto}

.dl-modal__backdrop{position:absolute;inset:0;background:rgba(90,46,66,.26);backdrop-filter:blur(16px) saturate(130%);-webkit-backdrop-filter:blur(16px) saturate(130%);opacity:0;transition:opacity .36s ease}
.dl-modal.is-open .dl-modal__backdrop{opacity:1}

.dl-modal__panel{position:relative;width:min(560px,100%);max-height:min(88vh,86dvh);overflow-y:auto;overscroll-behavior:contain;border-radius:28px;
  background:linear-gradient(180deg,#fff7f9 0%,#fdeef3 100%);
  border:1px solid rgba(232,99,143,.18);
  box-shadow:0 40px 90px -24px rgba(90,46,66,.5),0 6px 28px rgba(90,46,66,.12);
  transform:translateY(20px) scale(.95);opacity:0;transition:transform .5s cubic-bezier(.22,1,.36,1),opacity .3s ease;
  scrollbar-width:thin;scrollbar-color:rgba(232,99,143,.4) transparent}
.dl-modal.is-open .dl-modal__panel{transform:translateY(0) scale(1);opacity:1}

.dl-modal__close{position:absolute;top:14px;right:14px;z-index:2;display:grid;place-items:center;width:36px;height:36px;border-radius:50%;
  background:rgba(90,46,66,.06);color:var(--ink-soft);transition:background .2s ease,transform .2s ease}
.dl-modal__close:hover{background:rgba(232,99,143,.16);color:var(--ink)}
.dl-modal__close:active{transform:scale(.9)}
.dl-modal__close svg{width:17px;height:17px}

.dl-modal__head{padding:30px 28px 18px;text-align:center}
.dl-modal__kicker{font:600 .68rem/1 var(--font-mono);letter-spacing:.24em;text-transform:uppercase;color:var(--accent)}
.dl-modal__title{margin-top:12px;font:600 clamp(1.5rem,4vw,1.9rem)/1.15 var(--font-display);letter-spacing:-.02em;color:var(--ink)}
.dl-modal__sub{margin-top:8px;font:400 .92rem/1.7 var(--font-serif);color:var(--ink-soft)}
.dl-modal__version{display:inline-flex;align-items:center;gap:.5rem;margin-top:14px;padding:.5rem .9rem;border-radius:999px;
  background:rgba(255,255,255,.65);border:1px solid rgba(232,99,143,.28);color:var(--accent-2)}
.dl-modal__version .dl-modal__badge{font:600 .82rem/1 var(--font-sans)}
.dl-modal__version .dl-modal__build{font:500 .72rem/1 var(--font-mono);letter-spacing:.06em;color:var(--ink-faint)}

.dl-modal__body{padding:6px 28px 28px}
.dl-modal__section + .dl-modal__section{margin-top:18px}

.dl-modal__qr{display:flex;flex-direction:column;align-items:center;gap:14px;margin:18px 0 20px;padding:20px;border-radius:20px;
  background:rgba(255,255,255,.7);border:1px solid var(--line)}
.dl-modal__qr img{width:180px;height:180px;border-radius:14px;background:#fff;padding:10px;box-shadow:inset 0 0 0 1px rgba(90,46,66,.08)}
.dl-modal__qr-title{font:600 .92rem/1.3 var(--font-sans);color:var(--ink)}
.dl-modal__qr-desc{margin-top:4px;font:400 .8rem/1.6 var(--font-sans);color:var(--ink-soft);text-align:center}

.dl-modal__dl{display:flex;align-items:center;justify-content:space-between;gap:.8rem;padding:.9rem 1.05rem;border-radius:16px;
  background:linear-gradient(135deg,var(--accent) 0%,var(--accent-2) 100%);color:#fff;text-decoration:none;
  box-shadow:0 12px 26px -10px rgba(232,99,143,.6);transition:transform .2s ease,box-shadow .2s ease}
.dl-modal__dl:hover{transform:translateY(-2px);box-shadow:0 16px 30px -10px rgba(232,99,143,.7)}
.dl-modal__dl:active{transform:translateY(0)}
.dl-modal__dl .dl-modal__dl-name{font:600 1rem/1 var(--font-serif)}
.dl-modal__dl .dl-modal__dl-meta{font:500 .68rem/1 var(--font-mono);letter-spacing:.1em;opacity:.92}
.dl-modal__dl .dl-modal__dl-arrow{font-size:1.1rem;line-height:1}

.dl-modal__ios{margin-top:14px;padding:12px 16px;border-radius:16px;background:rgba(120,170,210,.08);border:1px solid rgba(120,170,210,.24);
  font:400 .8rem/1.7 var(--font-sans);color:var(--ink-soft);text-align:center}
.dl-modal__ios a{color:#3f7fa8;font-weight:600;text-decoration:underline;text-underline-offset:3px}

.dl-modal__steps{margin-top:14px;display:grid;gap:10px;list-style:none}
.dl-modal__steps li{display:flex;gap:12px;align-items:flex-start;padding:12px 14px;border-radius:14px;background:rgba(255,255,255,.55);border:1px solid var(--line)}
.dl-modal__steps .dl-modal__step-num{flex:none;width:24px;height:24px;border-radius:50%;display:grid;place-items:center;background:rgba(232,99,143,.16);
  color:var(--accent-2);font:700 .74rem/1 var(--font-sans)}
.dl-modal__steps b{display:block;font:600 .86rem/1.4 var(--font-sans);color:var(--ink)}
.dl-modal__steps span{display:block;margin-top:2px;font:400 .76rem/1.6 var(--font-sans);color:var(--ink-faint)}

.dl-modal__footnote{margin-top:16px;text-align:center;font:400 .7rem/1 var(--font-mono);letter-spacing:.06em;color:var(--ink-faint)}

@media (max-width:520px){
  .dl-modal{place-items:end center;padding:0}
  .dl-modal__panel{width:100%;max-height:92dvh;border-radius:24px 24px 0 0;padding-bottom:env(safe-area-inset-bottom)}
  .dl-modal__head{padding:26px 22px 16px}
  .dl-modal__body{padding:4px 22px calc(22px + env(safe-area-inset-bottom))}
  .dl-modal__qr img{width:156px;height:156px}
}

@media (prefers-reduced-motion:reduce){
  .dl-modal__backdrop,.dl-modal__panel{transition:none}
  .dl-modal.is-open .dl-modal__panel{transform:none}
}

.dl-modal__copy{display:inline-flex;align-items:center;gap:.35rem;margin-top:10px;padding:.5rem .9rem;border-radius:12px;background:rgba(232,99,143,.1);color:var(--accent-2);font:600 .78rem/1 var(--font-sans);transition:background .2s ease,transform .2s ease}
.dl-modal__copy:hover{background:rgba(232,99,143,.2)}
.dl-modal__copy:active{transform:scale(.96)}