/* ============================================================
   组件层：导航 / 按钮 / 卡片 / 弹层 / 表单
   明亮圆润风
   ============================================================ */

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:40;height:var(--header-h);
  display:flex;align-items:center;
  background:rgba(251,249,246,.85);
  backdrop-filter:blur(16px) saturate(160%);
  -webkit-backdrop-filter:blur(16px) saturate(160%);
  border-bottom:1px solid var(--line);
}
.site-header .wrap{display:flex;align-items:center;gap:16px;height:100%}

.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:12px;position:relative;flex-shrink:0;
  background:linear-gradient(145deg,var(--primary),#ffb088);
  box-shadow:0 4px 12px -4px rgba(255,138,91,.6);
  display:grid;place-items:center;
}
.brand-mark::before{
  content:"";position:absolute;width:12px;height:12px;border-radius:50%;
  background:#fff;left:7px;top:8px;
}
.brand-mark::after{
  content:"";position:absolute;width:11px;height:11px;border-radius:50%;
  background:rgba(255,255,255,.55);right:7px;bottom:8px;
}
.brand-name{font-size:17px;font-weight:900;letter-spacing:.02em;line-height:1.1}
.brand-sub{font-size:10.5px;color:var(--ink-4);margin-top:1px}

.nav-links{display:flex;align-items:center;gap:2px;margin-left:24px}
.nav-link{
  padding:8px 16px;border-radius:11px;font-size:13.5px;font-weight:700;color:var(--ink-3);
  transition:all .18s var(--ease);
}
.nav-link:hover{color:var(--ink-2);background:var(--surface-3)}
.nav-link.active{color:var(--primary-d);background:var(--primary-soft)}
.nav-spacer{flex:1}
.nav-tag{
  font-size:11px;font-weight:600;color:var(--ink-4);
  background:var(--surface-3);padding:5px 11px;border-radius:99px;
}
@media(max-width:820px){
  .brand-sub{display:none}
  .nav-links{margin-left:10px;gap:0}
  .nav-link{padding:7px 10px;font-size:12.5px}
}
@media(max-width:420px){
  .brand-name{font-size:14px}
  .nav-link{padding:7px 8px;font-size:12px}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  padding:10px 18px;border-radius:12px;font-size:13.5px;font-weight:700;
  background:var(--surface);border:1.5px solid var(--line);
  color:var(--ink-2);
  transition:all .18s var(--ease);
  white-space:nowrap;user-select:none;
}
.btn:hover{background:var(--surface-2);border-color:var(--line-2);transform:translateY(-1px);box-shadow:var(--sh-1)}
.btn:active{transform:translateY(0) scale(.98)}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

.btn-primary{
  background:linear-gradient(135deg,var(--primary),#ff9f75);
  color:#fff;border-color:transparent;
  box-shadow:0 4px 14px -4px rgba(255,138,91,.65);
}
.btn-primary:hover{
  background:linear-gradient(135deg,var(--primary-d),var(--primary));
  box-shadow:0 8px 20px -6px rgba(255,138,91,.7);
}
.btn-mint{
  background:linear-gradient(135deg,var(--mint),#6ee0d3);color:#fff;border-color:transparent;
  box-shadow:0 4px 14px -4px rgba(78,205,196,.6);
}
.btn-ghost{background:transparent;border-color:var(--line-2)}
.btn-ghost:hover{background:var(--surface)}
.btn-sm{padding:7px 13px;font-size:12.5px;border-radius:10px}
.btn-lg{padding:13px 26px;font-size:15px;border-radius:14px}
.btn-icon{width:36px;height:36px;padding:0;border-radius:11px}

/* 带说明的按钮 */
.btn-with-hint{position:relative;display:inline-flex;flex-direction:column;gap:1px;align-items:flex-start;text-align:left;padding:8px 14px;border-radius:12px;border:1.5px solid var(--line);background:var(--surface);transition:.18s}
.btn-with-hint:hover{border-color:var(--primary);background:var(--primary-soft)}
.btn-with-hint b{font-size:12.5px;font-weight:700;color:var(--ink-2)}
.btn-with-hint span{font-size:10px;color:var(--ink-4);line-height:1.3}

/* ---------- 卡片 ---------- */
.card{
  position:relative;border-radius:var(--r-l);
  background:var(--surface);
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.card-pad{padding:22px}
.card-hover{transition:transform .25s var(--ease-out),box-shadow .25s,border-color .25s}
.card-hover:hover{transform:translateY(-3px);box-shadow:var(--sh-3);border-color:var(--line-2)}

/* ---------- 标签 ---------- */
.chip{
  display:inline-flex;align-items:center;gap:5px;
  padding:4px 10px;border-radius:99px;font-size:11.5px;font-weight:700;
  background:var(--surface-3);color:var(--ink-3);
  white-space:nowrap;
}
.chip-gold,.chip-primary{background:var(--primary-soft);color:var(--primary-d)}
.chip-jade,.chip-mint{background:var(--mint-soft);color:#2d9e93}
.chip-rose,.chip-pink{background:var(--pink-soft);color:#d9668a}
.chip-blue{background:var(--blue-soft);color:#3d7bd1}
.chip-violet{background:var(--violet-soft);color:#7a68d4}
.chip-yellow{background:var(--yellow-soft);color:#b8890f}
.chip-dot::before{content:"";width:5px;height:5px;border-radius:50%;background:currentColor}

/* ---------- 弹层 ---------- */
.modal-backdrop{
  position:fixed;inset:0;z-index:100;
  background:rgba(43,42,51,.35);
  backdrop-filter:blur(4px);
  display:grid;place-items:center;padding:18px;
  animation:fade-in .2s ease both;overflow-y:auto;
}
.modal{
  width:min(560px,100%);max-height:88dvh;overflow-y:auto;
  background:var(--surface);
  border-radius:var(--r-xl);
  box-shadow:0 30px 70px -20px rgba(43,42,51,.35);
  animation:pop-in .25s var(--ease) both;
}
.modal-head{
  display:flex;align-items:center;gap:12px;padding:20px 22px 16px;
  position:sticky;top:0;background:var(--surface);z-index:2;
  border-radius:var(--r-xl) var(--r-xl) 0 0;
}
.modal-head h3{font-size:18px;font-weight:800;flex:1}
.modal-body{padding:0 22px 20px}
.modal-foot{
  padding:14px 22px 20px;display:flex;gap:10px;justify-content:flex-end;
  position:sticky;bottom:0;background:var(--surface);
}
.modal-close{
  width:32px;height:32px;border-radius:10px;display:grid;place-items:center;
  color:var(--ink-4);transition:.15s;flex-shrink:0;
}
.modal-close:hover{background:var(--surface-3);color:var(--ink)}
.modal-close svg{width:16px;height:16px;stroke:currentColor;stroke-width:2;fill:none;stroke-linecap:round}

/* ---------- 表单 ---------- */
.field{margin-bottom:16px}
.field label{display:block;font-size:12.5px;font-weight:700;color:var(--ink-2);margin-bottom:7px}
.field .hint{font-size:11.5px;color:var(--ink-4);margin-top:6px;line-height:1.55}
.input,.select,.textarea{
  width:100%;padding:11px 14px;border-radius:12px;
  border:1.5px solid var(--line);background:var(--surface-2);
  font-size:13.5px;outline:none;transition:.18s;
}
.input:focus,.select:focus,.textarea:focus{
  border-color:var(--primary);background:var(--surface);
  box-shadow:0 0 0 4px var(--primary-soft);
}
.textarea{resize:vertical;min-height:76px;line-height:1.6}
.select{
  appearance:none;cursor:pointer;padding-right:36px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M2 4l4 4 4-4' fill='none' stroke='%238a8797' stroke-width='1.8' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 13px center;
}

.switch-row{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:10px 0;
}
.switch-row .sr-txt b{font-size:13px;font-weight:700;display:block}
.switch-row .sr-txt span{font-size:11.5px;color:var(--ink-4);display:block;margin-top:2px;line-height:1.45}

.switch{
  width:44px;height:26px;border-radius:99px;background:var(--surface-3);
  position:relative;flex-shrink:0;transition:background .2s;cursor:pointer;
  border:1.5px solid var(--line);
}
.switch::after{
  content:"";position:absolute;left:2px;top:2px;width:18px;height:18px;border-radius:50%;
  background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.15);
  transition:transform .22s var(--ease);
}
.switch.on{background:var(--mint);border-color:var(--mint)}
.switch.on::after{transform:translateX(18px)}

/* ---------- Toast ---------- */
.toast-root{
  position:fixed;bottom:24px;left:50%;transform:translateX(-50%);
  z-index:200;display:flex;flex-direction:column;gap:8px;
  pointer-events:none;align-items:center;
}
.toast{
  padding:11px 20px;border-radius:14px;
  background:var(--ink);color:#fff;
  font-size:13px;font-weight:600;
  box-shadow:0 12px 28px -8px rgba(43,42,51,.4);
  animation:bounce-in .35s var(--ease) both;
  max-width:min(88vw,440px);text-align:center;
}
.toast.gold,.toast.primary{background:var(--primary)}
.toast.jade,.toast.mint{background:#3cbfaf}

/* ---------- 页脚 ---------- */
.site-footer{
  border-top:1px solid var(--line);
  padding:24px 0 32px;margin-top:auto;
  background:var(--surface-2);
}
.footer-inner{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:var(--ink-4);
}
.footer-links{display:flex;gap:18px;flex-wrap:wrap}
.footer-links a:hover{color:var(--primary-d)}

/* ---------- 页头 ---------- */
.page-head{padding:28px 0 18px}
.crumbs{display:flex;align-items:center;gap:7px;font-size:12.5px;color:var(--ink-4);margin-bottom:12px}
.crumbs a{font-weight:600;transition:.15s}
.crumbs a:hover{color:var(--primary-d)}
.page-title-row{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;flex-wrap:wrap}
.page-title{font-size:clamp(26px,4vw,36px);font-weight:900;line-height:1.15;letter-spacing:-.01em}
.page-sub{color:var(--ink-3);font-size:13.5px;margin-top:8px;max-width:60ch;line-height:1.65}

/* ---------- 工具栏 ---------- */
.toolbar{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.seg{
  display:inline-flex;padding:3px;border-radius:12px;
  background:var(--surface-3);gap:2px;
}
.seg button{
  padding:7px 13px;border-radius:9px;font-size:12.5px;font-weight:600;
  color:var(--ink-3);transition:.16s;white-space:nowrap;
}
.seg button:hover{color:var(--ink-2)}
.seg button.on{background:var(--surface);color:var(--ink);box-shadow:var(--sh-1)}

/* ---------- 空态 ---------- */
.empty{
  display:grid;place-items:center;gap:8px;
  padding:34px 20px;text-align:center;
  color:var(--ink-4);font-size:12.5px;line-height:1.7;
}
.empty-icon{font-size:28px;opacity:.55}

/* ---------- 规则列表 ---------- */
.rules-mini,.rules-list{display:grid;gap:9px}
.rules-mini li,.rules-list li{
  display:flex;gap:9px;align-items:flex-start;
  font-size:12.5px;color:var(--ink-3);line-height:1.6;
}
.rules-mini li::before{
  content:"";width:5px;height:5px;border-radius:50%;background:var(--primary);
  flex-shrink:0;margin-top:7px;
}
.rules-list li{padding-left:0}
.rules-list b{color:var(--ink-2);font-weight:700;flex-shrink:0}

/* ---------- 面板 ---------- */
.panel{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-l);padding:20px;box-shadow:var(--sh-1);
}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px}
.panel-head h3{font-size:15px;font-weight:800}
.panel-note{
  margin-top:12px;padding:10px 12px;border-radius:11px;
  font-size:12px;line-height:1.6;
  background:var(--yellow-soft);color:#8a6a12;
}
.panel-actions{display:flex;gap:8px;margin-top:14px;flex-wrap:wrap}