/* ==========================================================================
   PWP 养老生存服 — 主样式
   ========================================================================== */

*,*::before,*::after{ box-sizing:border-box; }

html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }

body{
  margin:0;
  font-family:var(--font-sans);
  font-size:15px;
  line-height:1.65;
  color:var(--c-text);
  background:var(--c-bg);
  transition:background .45s ease, color .45s ease;
  overflow-x:hidden;
}

/* 特效画布：固定在内容之下 */
#fx-layer{
  position:fixed; inset:0; z-index:0; pointer-events:none;
  overflow:hidden;
}
#fx-layer canvas{ position:absolute; inset:0; width:100%; height:100%; display:block; }

/* 页面内容浮在特效之上 */
.page{ position:relative; z-index:1; }

a{ color:inherit; text-decoration:none; }
img{ max-width:100%; display:block; }
h1,h2,h3,h4{ margin:0; line-height:1.25; font-weight:700; letter-spacing:-.01em; }
p{ margin:0; }
button,input,select,textarea{ font:inherit; color:inherit; }

.wrap{ width:100%; max-width:var(--page-max); margin:0 auto; padding:0 24px; }

/* ============================ 顶部导航 ============================ */
.nav{
  position:sticky; top:0; z-index:50; height:var(--nav-h);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  background:color-mix(in srgb, var(--c-bg) 82%, transparent);
  border-bottom:1px solid var(--c-border);
}
.nav-in{ display:flex; align-items:center; gap:28px; height:100%; }

.brand{ display:flex; align-items:center; gap:10px; font-weight:800; letter-spacing:.02em; }
.brand .mark{
  width:30px; height:30px; border-radius:9px; display:grid; place-items:center;
  background:var(--c-ink); color:var(--c-surface); font-size:13px; font-weight:800;
  box-shadow:var(--sh-1);
}
.brand .name{ font-size:16px; }
.brand .name em{ font-style:normal; color:var(--c-accent); }

.nav-links{ display:flex; gap:4px; margin-left:auto; }
.nav-links a{
  padding:8px 13px; border-radius:9px; font-size:14px; color:var(--c-text-2);
  transition:background .2s, color .2s;
}
.nav-links a:hover{ background:var(--c-surface-2); color:var(--c-text); }

.nav-acts{ display:flex; align-items:center; gap:8px; }

/* ============================ 按钮 ============================ */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:7px;
  padding:9px 17px; border-radius:10px; border:1px solid var(--c-border);
  background:var(--c-surface); color:var(--c-text); font-size:14px; font-weight:600;
  cursor:pointer; transition:transform .12s, box-shadow .2s, background .2s, border-color .2s;
  white-space:nowrap;
}
.btn:hover{ border-color:var(--c-border-strong); box-shadow:var(--sh-1); }
.btn:active{ transform:translateY(1px); }
.btn-primary{ background:var(--c-ink); color:var(--c-surface); border-color:var(--c-ink); }
.btn-primary:hover{ box-shadow:var(--sh-2); }
.btn-accent{ background:var(--c-accent); color:#fff; border-color:var(--c-accent); }
.btn-accent:hover{ box-shadow:0 6px 18px rgba(200,16,46,.28); }
.btn-ghost{ background:transparent; border-color:transparent; color:var(--c-text-2); }
.btn-ghost:hover{ background:var(--c-surface-2); color:var(--c-text); }
.btn-sm{ padding:6px 12px; font-size:13px; border-radius:9px; }
.btn-icon{ padding:8px; width:36px; height:36px; border-radius:10px; }
.btn[disabled]{ opacity:.5; cursor:not-allowed; }

/* ============================ 卡片 ============================ */
.card{
  background:var(--c-surface); border:1px solid var(--c-border);
  border-radius:var(--r-md); box-shadow:var(--sh-1); padding:20px;
  transition:box-shadow .25s, transform .25s, background .45s;
}
.card-hd{ display:flex; align-items:center; gap:10px; margin-bottom:14px; }
.card-hd h3{ font-size:15px; }
.card-hd .sub{ font-size:12.5px; color:var(--c-text-3); }
.card-hd .spacer{ margin-left:auto; }

/* ============================ 区块 ============================ */
.sec{ padding:74px 0; position:relative; }
.sec-tight{ padding:48px 0; }
.sec-hd{ margin-bottom:34px; }
.sec-eyebrow{
  display:inline-flex; align-items:center; gap:7px; font-size:12px; font-weight:700;
  letter-spacing:.14em; text-transform:uppercase; color:var(--c-accent);
  padding:5px 11px; border-radius:999px; background:var(--c-accent-soft);
  margin-bottom:14px;
}
.sec-title{ font-size:clamp(24px,3.4vw,36px); }
.sec-desc{ margin-top:12px; color:var(--c-text-2); max-width:660px; font-size:15px; }

/* ============================ 英雄区 ============================ */
.hero{ position:relative; padding:96px 0 78px; }
.hero-grid{ display:grid; grid-template-columns:1.25fr .95fr; gap:52px; align-items:center; }
.hero h1{ font-size:clamp(32px,5vw,54px); letter-spacing:-.025em; }
.hero h1 .hl{
  background:linear-gradient(transparent 62%, color-mix(in srgb,var(--c-accent) 22%, transparent) 62%);
}
.hero .lead{ margin-top:20px; font-size:16.5px; color:var(--c-text-2); max-width:560px; }
.hero-cta{ display:flex; gap:12px; margin-top:30px; flex-wrap:wrap; }

.hero-meta{ display:flex; gap:26px; margin-top:34px; flex-wrap:wrap; }
.hero-meta .m{ }
.hero-meta .m b{ display:block; font-size:22px; font-weight:800; letter-spacing:-.02em; }
.hero-meta .m span{ font-size:12.5px; color:var(--c-text-3); }

.badge-live{
  display:inline-flex; align-items:center; gap:8px; padding:6px 13px; border-radius:999px;
  background:var(--c-green-soft); color:var(--c-green); font-size:13px; font-weight:700;
  border:1px solid color-mix(in srgb,var(--c-green) 22%, transparent);
}
.dot{ width:7px; height:7px; border-radius:50%; background:currentColor; }
.dot.pulse{ animation:pulse 1.8s ease-in-out infinite; }
/* 离线态：停止脉冲、转灰、徽章褪色，避免把「连不上」显示成「在线」 */
.dot.off{ animation:none; opacity:.45; }
.badge-live:has(.dot.off){
  background:var(--c-surface-2, #f2f2f4); color:var(--c-text-3);
  border-color:var(--c-border);
}
@keyframes pulse{ 0%,100%{opacity:1; transform:scale(1);} 50%{opacity:.4; transform:scale(.75);} }

/* ============================ 状态卡（英雄区右侧） ============================ */
.status-panel{ display:grid; gap:14px; }
.stat-row{ display:grid; grid-template-columns:1fr 1fr; gap:14px; }
.stat{
  background:var(--c-surface); border:1px solid var(--c-border); border-radius:var(--r-md);
  padding:16px 18px; box-shadow:var(--sh-1);
}
.stat .k{ font-size:12.5px; color:var(--c-text-3); display:flex; align-items:center; gap:6px; }
.stat .v{ font-size:26px; font-weight:800; letter-spacing:-.02em; margin-top:5px; }
.stat .v small{ font-size:13px; font-weight:600; color:var(--c-text-3); margin-left:2px; }

/* ============================ 通用网格 ============================ */
.grid{ display:grid; gap:16px; }
.g2{ grid-template-columns:repeat(2,1fr); }
.g3{ grid-template-columns:repeat(3,1fr); }
.g4{ grid-template-columns:repeat(4,1fr); }

/* 特色卡 */
.feat{ display:flex; flex-direction:column; gap:12px; }
.feat .ic{
  width:42px; height:42px; border-radius:12px; display:grid; place-items:center;
  background:var(--c-surface-2); font-size:20px; border:1px solid var(--c-border);
}
.feat h3{ font-size:16px; }
.feat p{ font-size:14px; color:var(--c-text-2); }

/* ============================ 步骤（登录教程） ============================ */
.steps{ display:grid; gap:14px; counter-reset:s; }
.step{
  display:flex; gap:16px; padding:18px 20px; background:var(--c-surface);
  border:1px solid var(--c-border); border-radius:var(--r-md); box-shadow:var(--sh-1);
}
.step::before{
  counter-increment:s; content:counter(s,decimal-leading-zero);
  flex:none; font-family:var(--font-mono); font-size:13px; font-weight:700;
  color:var(--c-accent); background:var(--c-accent-soft); border-radius:9px;
  width:38px; height:38px; display:grid; place-items:center;
}
.step .t{ font-weight:700; margin-bottom:3px; }
.step .d{ font-size:14px; color:var(--c-text-2); }
code, .code{
  font-family:var(--font-mono); font-size:13px; background:var(--c-surface-2);
  padding:2px 7px; border-radius:6px; border:1px solid var(--c-border);
}

/* ============================ 公告 ============================ */
.notice-list{ display:grid; gap:12px; }
.notice{
  display:flex; gap:14px; padding:16px 18px; border-radius:var(--r-md);
  background:var(--c-surface); border:1px solid var(--c-border); box-shadow:var(--sh-1);
  border-left:3px solid var(--c-border-strong);
}
.notice[data-lv="important"]{ border-left-color:var(--c-accent); }
.notice[data-lv="update"]{ border-left-color:var(--c-blue); }
.notice[data-lv="info"]{ border-left-color:var(--c-green); }
.notice .tag{
  flex:none; font-size:11.5px; font-weight:700; padding:3px 9px; border-radius:999px;
  height:fit-content; letter-spacing:.03em;
}
.notice[data-lv="important"] .tag{ background:var(--c-accent-soft); color:var(--c-accent); }
.notice[data-lv="update"] .tag{ background:var(--c-blue-soft); color:var(--c-blue); }
.notice[data-lv="info"] .tag{ background:var(--c-green-soft); color:var(--c-green); }
.notice .bd{ min-width:0; }
.notice .ttl{ font-weight:700; font-size:14.5px; }
.notice .txt{ font-size:14px; color:var(--c-text-2); margin-top:3px; }
.notice .time{ font-size:12px; color:var(--c-text-3); margin-top:6px; font-family:var(--font-mono); }

/* ============================ 表单 ============================ */
.field{ display:grid; gap:6px; }
.field label{ font-size:13px; font-weight:600; color:var(--c-text-2); }
.field .hint{ font-size:12px; color:var(--c-text-3); }
.input{
  width:100%; padding:10px 13px; border-radius:10px; border:1px solid var(--c-border);
  background:var(--c-surface-2); color:var(--c-text); font-size:14px;
  transition:border-color .2s, box-shadow .2s, background .2s;
}
.input:focus{
  outline:none; border-color:var(--c-accent); background:var(--c-surface);
  box-shadow:0 0 0 3px color-mix(in srgb,var(--c-accent) 12%, transparent);
}
.input::placeholder{ color:var(--c-text-3); }
.row-inline{ display:flex; gap:10px; }
.row-inline .input{ flex:1; }

/* 标签页切换 */
.tabs{ display:inline-flex; gap:4px; padding:4px; background:var(--c-surface-2);
  border:1px solid var(--c-border); border-radius:12px; }
.tabs button{
  padding:7px 15px; border:none; background:transparent; border-radius:9px;
  font-size:13.5px; font-weight:600; color:var(--c-text-2); cursor:pointer;
  transition:background .2s, color .2s;
}
.tabs button.on{ background:var(--c-surface); color:var(--c-text); box-shadow:var(--sh-1); }

/* ============================ 图表 ============================ */
.chart{ width:100%; height:300px; }
.chart-sm{ height:230px; }

.range-picker{ display:flex; gap:5px; flex-wrap:wrap; }
.range-picker button{
  padding:5px 11px; border-radius:8px; border:1px solid var(--c-border);
  background:var(--c-surface); font-size:12.5px; font-weight:600; color:var(--c-text-2);
  cursor:pointer; transition:.2s;
}
.range-picker button:hover{ border-color:var(--c-border-strong); }
.range-picker button.on{ background:var(--c-ink); color:var(--c-surface); border-color:var(--c-ink); }

.panel-tabs{ display:flex; gap:6px; margin-bottom:16px; }

/* ============================ 页脚 ============================ */
.foot{
  border-top:1px solid var(--c-border); padding:44px 0 30px; margin-top:40px;
  background:color-mix(in srgb, var(--c-bg) 60%, var(--c-surface));
}
.foot-grid{ display:grid; grid-template-columns:1.6fr 1fr 1fr; gap:36px; }
.foot h4{ font-size:13px; letter-spacing:.06em; text-transform:uppercase; color:var(--c-text-3); margin-bottom:13px; }
.foot a,.foot li{ font-size:14px; color:var(--c-text-2); }
.foot ul{ list-style:none; padding:0; margin:0; display:grid; gap:9px; }
.foot a:hover{ color:var(--c-accent); }
.foot-bottom{
  margin-top:30px; padding-top:20px; border-top:1px solid var(--c-border);
  display:flex; justify-content:space-between; gap:16px; flex-wrap:wrap;
  font-size:13px; color:var(--c-text-3);
}

/* ============================ 工具类 ============================ */
.mono{ font-family:var(--font-mono); }
.muted{ color:var(--c-text-3); }
.center{ text-align:center; }
.mt-0{margin-top:0}.mt-1{margin-top:8px}.mt-2{margin-top:16px}.mt-3{margin-top:24px}.mt-4{margin-top:32px}
.hide{ display:none !important; }

.pill{
  display:inline-flex; align-items:center; gap:6px; font-size:12px; font-weight:700;
  padding:3px 10px; border-radius:999px; background:var(--c-surface-2); color:var(--c-text-2);
  border:1px solid var(--c-border);
}

/* 骨架屏闪烁 */
.skeleton{
  background:linear-gradient(90deg,var(--c-surface-2) 25%,var(--c-border) 37%,var(--c-surface-2) 63%);
  background-size:400% 100%; animation:sk 1.4s ease infinite; border-radius:8px;
}
@keyframes sk{ 0%{background-position:100% 50%} 100%{background-position:0 50%} }

/* Toast */
#toasts{ position:fixed; right:20px; bottom:20px; z-index:999; display:grid; gap:10px; }
.toast{
  min-width:240px; max-width:340px; padding:12px 15px; border-radius:12px;
  background:var(--c-surface); border:1px solid var(--c-border); box-shadow:var(--sh-3);
  font-size:13.5px; display:flex; gap:10px; align-items:flex-start;
  animation:tin .3s cubic-bezier(.2,.9,.3,1.2);
}
.toast[data-k="ok"]{ border-left:3px solid var(--c-green); }
.toast[data-k="err"]{ border-left:3px solid var(--c-accent); }
.toast[data-k="info"]{ border-left:3px solid var(--c-blue); }
@keyframes tin{ from{opacity:0; transform:translateY(12px) scale(.97);} to{opacity:1;transform:none;} }

/* ============================ 响应式 ============================ */
@media (max-width:960px){
  .hero-grid{ grid-template-columns:1fr; gap:36px; }
  .g4{ grid-template-columns:repeat(2,1fr); }
  .foot-grid{ grid-template-columns:1fr 1fr; }
}
@media (max-width:720px){
  .wrap{ padding:0 18px; }
  .sec{ padding:52px 0; }
  .hero{ padding:60px 0 50px; }
  .g3,.g2{ grid-template-columns:1fr; }
  .nav-links{ display:none; }
  .foot-grid{ grid-template-columns:1fr; gap:26px; }
  .chart{ height:240px; }
}
@media (max-width:460px){
  .g4{ grid-template-columns:1fr; }
  .stat-row{ grid-template-columns:1fr; }
}