/* SAYAP123 — 展翅梯度 wing-gradient hero + 卡片流. 黛蓝 #191F4A × 翼蓝 #6FC3FF */
:root{
  --bg:#10142F;--panel:#191F4A;--panel2:#202858;--text:#E8F2FF;--muted:#A9BFE8;
  --wing:#6FC3FF;--glow:0 0 12px rgba(111,195,255,.4),0 0 26px rgba(111,195,255,.2);
  --grad-panel:linear-gradient(150deg,#202858 0%,#131738 100%);
  --font-h:'Forum',serif;--font-b:'Vollkorn',serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--font-b);line-height:1.7;font-size:16px}
img,svg{max-width:100%;vertical-align:middle}
a{color:var(--wing);text-decoration:none}
a:hover{text-decoration:underline}
.container{width:100%;max-width:1160px;margin:0 auto;padding:0 16px}
.container.narrow{max-width:840px}
.center{text-align:center}
.site-header{position:sticky;top:0;z-index:50;background:rgba(16,20,47,.92);backdrop-filter:blur(10px);border-bottom:1px solid rgba(111,195,255,.35)}
.header-in{display:flex;align-items:center;gap:14px;min-height:60px}
.brand{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-h);font-weight:700;font-size:1.25rem;color:var(--text);white-space:nowrap;letter-spacing:.04em}
.brand:hover{text-decoration:none}
.nav-desktop{display:none;margin-left:auto;gap:18px}
.nav-desktop a{color:var(--muted);font-size:.95rem}
.nav-desktop a:hover{color:var(--wing);text-decoration:none}
.header-cta{display:flex;gap:8px;margin-left:auto}
.nav-desktop+.header-cta{margin-left:0}
.btn{display:inline-block;padding:10px 20px;border-radius:10px;font-family:var(--font-b);font-weight:600;font-size:.9rem;cursor:pointer;border:1px solid transparent;transition:transform .15s}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:linear-gradient(135deg,#6FC3FF,#3E8FE0);color:#10142F;box-shadow:var(--glow)}
.btn-secondary{background:transparent;color:var(--wing);border-color:rgba(111,195,255,.55)}
.btn-block{display:block;width:100%;text-align:center}
.pulse{animation:pulse-glow 2s infinite}
@keyframes pulse-glow{0%,100%{box-shadow:0 0 8px rgba(111,195,255,.4)}50%{box-shadow:0 0 22px rgba(111,195,255,.8)}}
.nav-toggle{display:none}
.burger{display:flex;flex-direction:column;gap:4px;cursor:pointer;padding:6px;margin-left:4px}
.burger span{width:22px;height:2px;background:var(--wing);border-radius:2px}
.m-nav{display:none;background:var(--panel);border-bottom:1px solid rgba(111,195,255,.3)}
.m-nav-group{padding:10px 16px}
.m-nav-group h3{font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;color:var(--wing);margin-bottom:6px;font-weight:700}
.m-nav-group a{display:block;padding:6px 0;color:var(--text)}
.nav-toggle:checked~.m-nav{display:block}
/* wing-gradient hero */
.wing-hero{padding:48px 0 26px;background:
  radial-gradient(900px 420px at 85% -10%,rgba(111,195,255,.28),transparent 60%),
  repeating-linear-gradient(115deg,rgba(111,195,255,.07) 0 2px,transparent 2px 26px),
  linear-gradient(135deg,#10142F 0%,#191F4A 45%,#2A3A7A 100%);
  border-bottom:1px solid rgba(111,195,255,.35)}
.wing-in{display:flex;flex-direction:column;gap:26px}
.wing-head h1{font-family:var(--font-h);font-size:clamp(2.4rem,7vw,3.8rem);letter-spacing:.06em;text-shadow:0 0 26px rgba(111,195,255,.45)}
.hero-sub{max-width:540px;margin:12px 0 20px;color:var(--muted)}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}
.wing-feathers{display:flex;align-items:flex-end;gap:10px;padding:8px 4px 0}
.feather{flex:1;height:var(--h);min-height:24px;border-radius:8px 8px 4px 4px;background:linear-gradient(180deg,rgba(111,195,255,.75),rgba(111,195,255,.12));box-shadow:inset 0 1px 0 rgba(232,242,255,.6)}
.feather:nth-child(2){background:linear-gradient(180deg,rgba(111,195,255,.6),rgba(111,195,255,.1))}
.feather:nth-child(4){background:linear-gradient(180deg,rgba(111,195,255,.6),rgba(111,195,255,.1))}
.wing-feathers{position:relative;flex-direction:row;align-items:flex-end}
.feather-tag{position:absolute;right:6px;top:-4px;font-size:.68rem;color:var(--muted);letter-spacing:.1em;text-transform:uppercase}
.section{padding:38px 0}
.section-alt{background:rgba(25,31,74,.55)}
.sec-title{font-family:var(--font-h);font-size:1.6rem;margin-bottom:10px;text-align:center;letter-spacing:.03em}
.sec-sub{text-align:center;color:var(--muted);margin-bottom:20px}
.grid-3,.grid-4{display:grid;gap:16px;grid-template-columns:1fr;margin-bottom:8px}
.glow-card{display:block;background:var(--grad-panel);border:1px solid rgba(111,195,255,.35);border-radius:14px;padding:18px;color:var(--text);transition:border-color .15s,box-shadow .15s}
.glow-card:hover{border-color:var(--wing);box-shadow:var(--glow);text-decoration:none}
.glow-card h3{font-size:1.08rem;margin-bottom:6px;color:var(--wing)}
.glow-card p{color:var(--muted);font-size:.92rem}
.nc-icon{font-size:1.5rem;display:block;margin-bottom:8px}
/* 7-day ladder 板 */
.ladder{display:grid;gap:12px;grid-template-columns:1fr;counter-reset:rung}
.rung{display:block;background:var(--grad-panel);border:1px solid rgba(111,195,255,.4);border-top:3px solid var(--wing);border-radius:12px;padding:14px;color:var(--text);transition:border-color .15s,box-shadow .15s,transform .15s}
.rung:hover{border-color:var(--wing);box-shadow:var(--glow);text-decoration:none;transform:translateY(-3px)}
.rung-day{display:inline-block;font-family:var(--font-h);font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:#10142F;background:var(--wing);border-radius:99px;padding:2px 12px;font-weight:700;margin-bottom:8px}
.rung h3{font-size:1.05rem;margin-bottom:4px}
.rung p{color:var(--muted);font-size:.88rem}
.rung-mini{opacity:.92;border-style:dashed}
.prose .note{color:var(--muted);font-size:.9rem}
.page-head{padding-top:22px}
.page-head h1,.prose h1{font-family:var(--font-h);font-size:clamp(1.6rem,4.5vw,2.2rem)}
.prose h2{font-family:var(--font-h);font-size:1.35rem;margin:26px 0 10px}
.prose h3{font-size:1.08rem;font-weight:600;margin:20px 0 8px;color:var(--wing)}
.prose p{margin:0 0 14px}
.prose ul,.prose ol{margin:0 0 14px 22px}
.prose li{margin-bottom:6px}
.steps li{margin-bottom:10px}
.steps li strong{color:var(--wing)}
.day-nav{display:flex;gap:10px;flex-wrap:wrap;margin:22px 0;padding:14px;background:var(--grad-panel);border:1px solid rgba(111,195,255,.35);border-radius:12px}
.chip{display:inline-block;border:1px solid rgba(111,195,255,.5);border-radius:99px;padding:6px 14px;font-size:.85rem;color:var(--wing)}
.chip:hover{background:rgba(111,195,255,.12);text-decoration:none}
.quick-form{display:grid;gap:8px;max-width:360px;margin:12px 0}
.quick-form label{font-size:.85rem;color:var(--muted)}
.quick-form input{background:#10142F;border:1px solid rgba(111,195,255,.4);border-radius:8px;padding:10px 12px;color:var(--text);font-family:var(--font-b)}
.quick-form input:focus{outline:none;border-color:var(--wing)}
.kamus-grid{display:grid;gap:10px;margin:14px 0}
.kamus-item{background:var(--grad-panel);border:1px solid rgba(111,195,255,.3);border-radius:10px;overflow:hidden}
.kamus-item summary{cursor:pointer;padding:13px 16px;font-weight:600;list-style:none;position:relative}
.kamus-item summary::-webkit-details-marker{display:none}
.kamus-item summary::after{content:"+";position:absolute;right:16px;color:var(--wing)}
.kamus-item[open] summary::after{content:"−"}
.kamus-item p{padding:0 16px 14px;color:var(--muted);font-size:.95rem}
.err-wrap{padding:70px 16px}
.err-code{font-family:var(--font-h);font-size:5rem;color:var(--wing);text-shadow:var(--glow)}
.err-wrap .btn{margin:18px 0}
.crumbs{padding:12px 0 0;font-size:.82rem;color:var(--muted)}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px}
.crumbs li+li::before{content:"›";margin-right:6px;color:var(--wing)}
.site-footer{background:var(--panel);border-top:1px solid rgba(111,195,255,.35);padding:36px 0 92px;margin-top:30px}
.foot-grid{display:grid;gap:24px;grid-template-columns:1fr}
.foot-brand p{color:var(--muted);font-size:.9rem;margin:10px 0}
.foot-col h3{font-size:.85rem;text-transform:uppercase;letter-spacing:.08em;color:var(--wing);margin-bottom:8px;font-weight:700}
.foot-col a{display:block;color:var(--muted);padding:3px 0;font-size:.92rem}
.foot-col a:hover{color:var(--wing);text-decoration:none}
.pill-18{display:inline-block;border:1px solid var(--wing);color:var(--wing);border-radius:999px;padding:2px 12px;font-weight:700;font-size:.85rem}
.foot-bottom{margin-top:24px;padding-top:16px;border-top:1px solid rgba(111,195,255,.25);color:var(--muted);font-size:.85rem}
.float-cta{position:fixed;left:50%;bottom:calc(12px + env(safe-area-inset-bottom));transform:translateX(-50%);z-index:60;display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap;width:max-content;max-width:calc(100vw - 24px);padding:10px 16px;background:rgba(16,20,47,.95);backdrop-filter:blur(8px);border:1px solid rgba(111,195,255,.5);border-radius:14px;box-shadow:0 8px 28px rgba(0,0,0,.5),0 0 18px rgba(111,195,255,.15)}
.float-tag{white-space:nowrap;font-weight:600;font-size:.92rem;color:var(--text);letter-spacing:.02em}
.float-cta .btn{white-space:nowrap;animation:cta-blink 1.6s infinite}
@keyframes cta-blink{0%,100%{box-shadow:0 0 8px rgba(111,195,255,.45);transform:scale(1)}50%{box-shadow:0 0 20px rgba(111,195,255,.9),0 0 42px rgba(111,195,255,.35);transform:scale(1.04)}}
@media (min-width:768px){
  .grid-3{grid-template-columns:repeat(3,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .wing-in{flex-direction:row;align-items:center}
  .wing-head{flex:1}
  .wing-feathers{min-width:300px;align-items:flex-end}
  .ladder{grid-template-columns:repeat(4,1fr)}
  .foot-grid{grid-template-columns:2fr 1fr 1.4fr 1fr}
  .nav-desktop{display:flex}
  .header-cta{margin-left:0}
  .burger{display:none}
  .m-nav{display:none!important}
}
@media (min-width:1024px){
  .grid-4{grid-template-columns:repeat(4,1fr)}
  .ladder{grid-template-columns:repeat(7,1fr)}
  .ladder .rung:nth-child(1){margin-top:96px}
  .ladder .rung:nth-child(2){margin-top:80px}
  .ladder .rung:nth-child(3){margin-top:64px}
  .ladder .rung:nth-child(4){margin-top:48px}
  .ladder .rung:nth-child(5){margin-top:32px}
  .ladder .rung:nth-child(6){margin-top:16px}
  .ladder .rung:nth-child(7){margin-top:0}
}
@media (prefers-reduced-motion:reduce){.pulse,.float-cta .btn{animation:none}}