/* ============================================================
 * CSAE 行知学院 · 青年学术前沿论坛 · 设计系统样式（外部，非内联）
 * 字体本地化 · 学术蓝 · 高保真学术活动平台
 * ============================================================ */

/* ---------- 本地字体 Sora ---------- */
@font-face{font-family:'Sora';font-style:normal;font-weight:400;font-display:swap;src:url('../webfonts/sora-latin-400-normal.woff2') format('woff2');}
@font-face{font-family:'Sora';font-style:normal;font-weight:500;font-display:swap;src:url('../webfonts/sora-latin-500-normal.woff2') format('woff2');}
@font-face{font-family:'Sora';font-style:normal;font-weight:600;font-display:swap;src:url('../webfonts/sora-latin-600-normal.woff2') format('woff2');}
@font-face{font-family:'Sora';font-style:normal;font-weight:700;font-display:swap;src:url('../webfonts/sora-latin-700-normal.woff2') format('woff2');}
@font-face{font-family:'Sora';font-style:normal;font-weight:800;font-display:swap;src:url('../webfonts/sora-latin-800-normal.woff2') format('woff2');}

/* ---------- 设计令牌 ---------- */
:root{
  --brand:#0E5FFF; --brand-700:#0B47D1; --brand-50:#EFF5FF; --brand-100:#DBE8FF;
  --ink:#2B3650; --subink:#475069; --muted:#7C879B;
  --cloud:#F4F7FE; --line:#E7ECF5; --accent:#00B8D9;
  --success:#16B364; --warning:#F79009; --danger:#F04438; --info:#2E90FA;
  --shadow-card:0 2px 8px rgba(13,38,76,.06), 0 18px 40px -16px rgba(13,38,76,.16);
  --shadow-pop:0 10px 34px rgba(14,95,255,.20);
  --radius:1.25rem;
  --side-w:264px;
  --font:'Sora','PingFang SC','Microsoft YaHei','Hiragino Sans GB','system-ui',sans-serif;
}

/* ---------- 基础 ---------- */
*{-webkit-tap-highlight-color:transparent;}
html{scroll-behavior:smooth;}
body{font-family:var(--font);color:var(--ink);background:var(--cloud);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;}
::selection{background:rgba(14,95,255,.16);color:var(--brand-700);}
a{text-decoration:none;color:inherit;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1;}
.tracking-tightish{letter-spacing:-.01em;}
h1,h2,h3,.display{letter-spacing:-.02em;}

/* 滚动条 */
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-thumb{background:#cdd7e8;border-radius:20px;border:2px solid transparent;background-clip:content-box;}
::-webkit-scrollbar-thumb:hover{background:#b4c1d8;background-clip:content-box;}
::-webkit-scrollbar-track{background:transparent;}

/* ---------- 氛围背景 ---------- */
.mesh{position:relative;overflow:hidden;}
.mesh::before{
  content:"";position:absolute;inset:-20% -10% auto -10%;height:120%;z-index:0;pointer-events:none;
  background:
    radial-gradient(42rem 30rem at 12% 8%, rgba(14,95,255,.20), transparent 60%),
    radial-gradient(36rem 28rem at 88% 0%, rgba(0,184,217,.18), transparent 60%),
    radial-gradient(30rem 24rem at 70% 90%, rgba(59,115,255,.14), transparent 60%);
  filter:saturate(1.05);
}
.mesh > *{position:relative;z-index:1;}

.grid-lines{
  background-image:linear-gradient(rgba(14,95,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(14,95,255,.05) 1px,transparent 1px);
  background-size:34px 34px;
}
.grain::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.4;mix-blend-mode:soft-light;z-index:1;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
}
.blob{position:absolute;border-radius:50%;filter:blur(40px);opacity:.5;z-index:0;pointer-events:none;}

/* 玻璃拟态 */
.glass{background:rgba(255,255,255,.72);backdrop-filter:saturate(180%) blur(18px);-webkit-backdrop-filter:saturate(180%) blur(18px);}
.glass-dark{background:rgba(8,18,40,.55);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);}

/* ---------- 动效 ---------- */
@keyframes fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes pop{from{opacity:0;transform:scale(.94)}to{opacity:1;transform:scale(1)}}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}
@keyframes shimmer{100%{background-position:-200% 0}}
@keyframes ring{0%{box-shadow:0 0 0 0 rgba(14,95,255,.45)}70%{box-shadow:0 0 0 14px rgba(14,95,255,0)}100%{box-shadow:0 0 0 0 rgba(14,95,255,0)}}
.reveal{animation:fadeUp .7s cubic-bezier(.22,1,.36,1) both;}
.reveal-in{animation:fadeIn .6s ease both;}
.pop-in{animation:pop .35s cubic-bezier(.22,1,.36,1) both;}
.floaty{animation:floaty 7s ease-in-out infinite;}
.stagger > *{animation:fadeUp .7s cubic-bezier(.22,1,.36,1) both;}
.stagger > *:nth-child(1){animation-delay:.04s}
.stagger > *:nth-child(2){animation-delay:.10s}
.stagger > *:nth-child(3){animation-delay:.16s}
.stagger > *:nth-child(4){animation-delay:.22s}
.stagger > *:nth-child(5){animation-delay:.28s}
.stagger > *:nth-child(6){animation-delay:.34s}
.stagger > *:nth-child(7){animation-delay:.40s}
.stagger > *:nth-child(8){animation-delay:.46s}
.d1{animation-delay:.08s}.d2{animation-delay:.16s}.d3{animation-delay:.24s}.d4{animation-delay:.32s}.d5{animation-delay:.40s}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;}}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-weight:600;font-size:.92rem;line-height:1;
  padding:.72rem 1.15rem;border-radius:.85rem;border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .16s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;user-select:none;}
.btn:active{transform:translateY(1px) scale(.99);}
.btn:focus-visible{outline:none;box-shadow:0 0 0 4px rgba(14,95,255,.18);}
.btn--primary{background-image:linear-gradient(135deg,#0E5FFF,#3B73FF);color:#fff;box-shadow:var(--shadow-pop);}
.btn--primary:hover{box-shadow:0 14px 40px rgba(14,95,255,.34);transform:translateY(-2px);}
.btn--accent{background-image:linear-gradient(135deg,#0E5FFF,#00B8D9);color:#fff;box-shadow:var(--shadow-pop);}
.btn--accent:hover{transform:translateY(-2px);}
.btn--soft{background:var(--brand-50);color:var(--brand-700);}
.btn--soft:hover{background:var(--brand-100);}
.btn--ghost{background:#fff;color:var(--ink);border-color:var(--line);}
.btn--ghost:hover{border-color:#cdd9ee;background:#fbfcff;}
.btn--quiet{background:transparent;color:var(--subink);}
.btn--quiet:hover{background:#eef2fa;color:var(--ink);}
.btn--danger{background:var(--danger);color:#fff;}
.btn--danger:hover{filter:brightness(1.05);transform:translateY(-1px);}
.btn--success{background:var(--success);color:#fff;}
.btn--white{background:#fff;color:var(--brand-700);box-shadow:0 8px 24px rgba(8,20,50,.18);}
.btn--white:hover{transform:translateY(-2px);}
.btn--sm{padding:.5rem .8rem;font-size:.82rem;border-radius:.7rem;}
.btn--lg{padding:.92rem 1.5rem;font-size:1rem;border-radius:1rem;}
.btn--block{width:100%;}
.btn--icon{padding:.6rem;width:2.6rem;height:2.6rem;border-radius:.8rem;}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none!important;box-shadow:none;}

/* ---------- 表单 ---------- */
.label{display:block;font-size:.82rem;font-weight:600;color:var(--subink);margin-bottom:.45rem;}
.label .req{color:var(--danger);margin-left:.15rem;}
.input,.select,.textarea{width:100%;font-family:var(--font);font-size:.95rem;color:var(--ink);background:#fff;
  border:1.5px solid var(--line);border-radius:.85rem;padding:.78rem .95rem;transition:border-color .18s,box-shadow .18s,background .18s;}
.input::placeholder,.textarea::placeholder{color:#aab4c6;}
.input:focus,.select:focus,.textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(14,95,255,.12);background:#fff;}
.textarea{resize:vertical;min-height:6rem;}
.select{appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' fill='none' stroke='%237C879B' stroke-width='2'%3E%3Cpath d='M3 5l4 4 4-4'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .9rem center;padding-right:2.4rem;cursor:pointer;}
.input-group{position:relative;}
.input-group .ig-icon{position:absolute;left:.95rem;top:50%;transform:translateY(-50%);color:var(--muted);font-size:.95rem;pointer-events:none;}
.input-group .input{padding-left:2.6rem;}
.input-group .ig-suffix{position:absolute;right:.6rem;top:50%;transform:translateY(-50%);}
.field-err .input,.field-err .select{border-color:var(--danger);}
.err-text{color:var(--danger);font-size:.78rem;margin-top:.35rem;display:none;}
.field-err .err-text{display:block;}
.hint{color:var(--muted);font-size:.78rem;margin-top:.4rem;}

/* 开关 */
.switch{position:relative;display:inline-flex;align-items:center;cursor:pointer;}
.switch input{position:absolute;opacity:0;width:0;height:0;}
.switch .track{width:46px;height:26px;border-radius:30px;background:#cfd8e8;transition:background .2s;position:relative;flex:none;}
.switch .track::after{content:"";position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.2);transition:transform .22s cubic-bezier(.22,1,.36,1);}
.switch input:checked + .track{background:linear-gradient(135deg,#0E5FFF,#3B73FF);}
.switch input:checked + .track::after{transform:translateX(20px);}
.switch input:focus-visible + .track{box-shadow:0 0 0 4px rgba(14,95,255,.18);}

/* 分段控件 / 选项卡 */
.seg{display:inline-flex;background:#eef2fa;border-radius:.85rem;padding:.28rem;gap:.2rem;}
.seg__item{border:none;background:transparent;font-family:var(--font);font-weight:600;font-size:.88rem;color:var(--subink);
  padding:.55rem 1.05rem;border-radius:.65rem;cursor:pointer;transition:all .18s;white-space:nowrap;}
.seg__item:hover{color:var(--ink);}
.seg__item.is-active{background:#fff;color:var(--brand-700);box-shadow:0 2px 8px rgba(13,38,76,.10);}
.seg-num{display:inline-flex;align-items:center;justify-content:center;min-width:1.25rem;height:1.15rem;padding:0 .3rem;margin-left:.4rem;border-radius:.4rem;background:rgba(13,38,76,.08);font-size:.68rem;font-weight:700;line-height:1;color:var(--subink);}
.seg__item.is-active .seg-num{background:var(--brand-50);color:var(--brand-700);}

/* 复选/单选卡片 */
.opt-card{border:1.5px solid var(--line);border-radius:1rem;padding:1rem;cursor:pointer;transition:all .18s;background:#fff;}
.opt-card:hover{border-color:#bcd0f5;}
.opt-card.is-active{border-color:var(--brand);background:var(--brand-50);box-shadow:0 0 0 4px rgba(14,95,255,.08);}

/* ---------- 徽章 / 标签 ---------- */
.badge{display:inline-flex;align-items:center;gap:.32rem;font-size:.74rem;font-weight:600;padding:.26rem .6rem;border-radius:30px;line-height:1;}
.badge i{font-size:.7rem;}
.badge--brand{background:var(--brand-50);color:var(--brand-700);}
.badge--success{background:#E6F6EE;color:#0c7a44;}
.badge--warning{background:#FEF3E2;color:#B25E09;}
.badge--danger{background:#FDECEC;color:#B42318;}
.badge--info{background:#E7F1FE;color:#175CD3;}
.badge--muted{background:#eef1f6;color:#5b6577;}
.badge-dot{width:.5rem;height:.5rem;border-radius:50%;display:inline-block;}

/* ---------- 卡片 ---------- */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-card);}
.card-flat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);}
.card-hover{transition:transform .22s cubic-bezier(.22,1,.36,1),box-shadow .22s;}
.card-hover:hover{transform:translateY(-6px);box-shadow:0 24px 50px -20px rgba(13,38,76,.30);}
.divider{height:1px;background:var(--line);border:0;}

/* 统计卡 */
.stat{background:#fff;border:1px solid var(--line);border-radius:1.1rem;padding:1.25rem;box-shadow:var(--shadow-card);position:relative;overflow:hidden;}
.stat .ic{width:2.9rem;height:2.9rem;border-radius:.85rem;display:grid;place-items:center;font-size:1.1rem;}
.stat .v{font-size:1.85rem;font-weight:700;line-height:1;letter-spacing:-.02em;}

/* ---------- 头像 ---------- */
.avatar{display:inline-grid;place-items:center;border-radius:50%;font-weight:700;color:#fff;background:linear-gradient(135deg,#0E5FFF,#00B8D9);flex:none;overflow:hidden;}

/* ---------- 表格 ---------- */
.tbl{width:100%;border-collapse:separate;border-spacing:0;font-size:.9rem;}
.tbl thead th{text-align:left;font-weight:600;color:var(--muted);font-size:.78rem;text-transform:uppercase;letter-spacing:.03em;
  padding:.85rem 1rem;background:#fafbfe;border-bottom:1px solid var(--line);white-space:nowrap;}
.tbl tbody td{padding:.9rem 1rem;border-bottom:1px solid #f0f3f9;color:var(--subink);vertical-align:middle;}
.tbl thead th.text-right,.tbl tbody td.text-right{text-align:right;}
.tbl tbody tr{transition:background .15s;}
.tbl tbody tr:hover{background:#f7faff;}
.tbl tbody tr:last-child td{border-bottom:0;}
.tbl .strong{color:var(--ink);font-weight:600;}

/* ---------- 步骤条 ---------- */
.steps{display:flex;align-items:center;gap:0;}
.step{display:flex;align-items:center;gap:.6rem;color:var(--muted);font-weight:600;font-size:.86rem;}
.step .dot{width:2rem;height:2rem;border-radius:50%;display:grid;place-items:center;background:#eaeefa;color:var(--muted);font-size:.85rem;flex:none;transition:all .2s;}
.step.is-active .dot{background:linear-gradient(135deg,#0E5FFF,#3B73FF);color:#fff;box-shadow:var(--shadow-pop);}
.step.is-done .dot{background:#E6F6EE;color:var(--success);}
.step.is-active{color:var(--ink);}
.step-line{flex:1;height:2px;background:#e5eaf4;margin:0 .75rem;border-radius:2px;min-width:1.2rem;}
.step.is-done + .step-line{background:var(--success);}

/* ---------- 进度条 ---------- */
.progress{height:.55rem;background:#eaeefa;border-radius:30px;overflow:hidden;}
.progress > span{display:block;height:100%;border-radius:30px;background:linear-gradient(90deg,#0E5FFF,#00B8D9);transition:width .8s cubic-bezier(.22,1,.36,1);}

/* ---------- 导航（用户端） ---------- */
.nav-link{position:relative;font-weight:600;font-size:.92rem;color:var(--subink);padding:.4rem .1rem;transition:color .18s;}
.nav-link:hover{color:var(--ink);}
.nav-link.is-active{color:var(--brand-700);}
.nav-link.is-active::after{content:"";position:absolute;left:0;right:0;bottom:-.55rem;height:3px;border-radius:3px;background:linear-gradient(90deg,#0E5FFF,#00B8D9);}

/* ---------- 后台侧边栏 ---------- */
.side{width:var(--side-w);background:#0b1430;color:#c4cfe6;position:fixed;inset:0 auto 0 0;display:flex;flex-direction:column;z-index:50;
  transition:transform .28s cubic-bezier(.22,1,.36,1);}
.side__brand{padding:1.3rem 1.3rem;display:flex;align-items:center;gap:.7rem;}
.side__nav{flex:1;overflow-y:auto;padding:.5rem .75rem 1.5rem;}
.side__group{font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;color:#5d6a8c;padding:1rem .75rem .4rem;font-weight:600;}
.side__link{display:flex;align-items:center;gap:.75rem;padding:.7rem .8rem;border-radius:.7rem;color:#aebad6;font-weight:500;font-size:.9rem;transition:all .16s;margin-bottom:.15rem;}
.side__link i{width:1.15rem;text-align:center;font-size:.98rem;}
.side__link:hover{background:rgba(255,255,255,.06);color:#fff;}
.side__link.is-active{background:linear-gradient(135deg,rgba(14,95,255,.95),rgba(59,115,255,.85));color:#fff;box-shadow:0 8px 22px -8px rgba(14,95,255,.7);}
.side__link .tag{margin-left:auto;font-size:.66rem;background:rgba(255,255,255,.14);padding:.1rem .4rem;border-radius:20px;}
.side__foot{padding:1rem;border-top:1px solid rgba(255,255,255,.08);}
.admin-main{margin-left:var(--side-w);transition:margin .28s;}
.scrim{position:fixed;inset:0;background:rgba(8,16,36,.5);backdrop-filter:blur(2px);z-index:45;opacity:0;visibility:hidden;transition:.25s;}
.scrim.show{opacity:1;visibility:visible;}
@media (max-width:1023px){
  .side{transform:translateX(-100%);box-shadow:0 0 60px rgba(0,0,0,.4);}
  .side.open{transform:translateX(0);}
  .admin-main{margin-left:0;}
}

/* ---------- 模态框 ---------- */
.modal-scrim{position:fixed;inset:0;background:rgba(9,18,40,.45);backdrop-filter:blur(4px);z-index:80;display:flex;align-items:center;justify-content:center;padding:1rem;opacity:0;visibility:hidden;transition:.22s;}
.modal-scrim.show{opacity:1;visibility:visible;}
.modal{background:#fff;border-radius:1.4rem;box-shadow:0 30px 80px -20px rgba(8,20,50,.5);width:100%;max-width:520px;max-height:90vh;overflow:auto;transform:translateY(14px) scale(.98);transition:transform .26s cubic-bezier(.22,1,.36,1);}
.modal-scrim.show .modal{transform:none;}
.modal--lg{max-width:760px;}
.modal--xl{max-width:980px;}

/* ---------- Toast ---------- */
#toast-wrap{position:fixed;top:1.1rem;right:1.1rem;z-index:120;display:flex;flex-direction:column;gap:.6rem;width:min(92vw,360px);}
.toast{display:flex;align-items:flex-start;gap:.7rem;background:#fff;border:1px solid var(--line);border-left:4px solid var(--brand);border-radius:.85rem;padding:.85rem 1rem;box-shadow:0 16px 40px -12px rgba(8,20,50,.3);animation:pop .3s both;}
.toast.ok{border-left-color:var(--success);}
.toast.warn{border-left-color:var(--warning);}
.toast.err{border-left-color:var(--danger);}
.toast .t-ic{font-size:1.05rem;margin-top:.05rem;}
.toast.ok .t-ic{color:var(--success);}
.toast.warn .t-ic{color:var(--warning);}
.toast.err .t-ic{color:var(--danger);}
.toast.info .t-ic{color:var(--brand);}

/* ---------- 骨架 / 其它 ---------- */
.skeleton{background:linear-gradient(90deg,#eef1f7 25%,#f6f8fc 37%,#eef1f7 63%);background-size:200% 100%;animation:shimmer 1.4s infinite;border-radius:.5rem;}
.kbd{font-size:.72rem;font-weight:600;background:#fff;border:1px solid var(--line);border-bottom-width:2px;border-radius:.4rem;padding:.1rem .4rem;color:var(--subink);}
.ringing{animation:ring 1.8s infinite;}
.dot-pulse{position:relative;}
.dot-pulse::before{content:"";position:absolute;inset:0;border-radius:50%;animation:ring 1.8s infinite;}

/* 链接代码块 */
.code{font-family:'SFMono-Regular',Consolas,'Liberation Mono',monospace;font-size:.82rem;background:#0b1430;color:#cdd9f5;border-radius:.85rem;padding:1rem 1.1rem;overflow:auto;line-height:1.6;}
.code .k{color:#6ea8fe;}.code .s{color:#7ee0c0;}.code .c{color:#5d6a8c;}

/* 工具提示 */
.tip{position:relative;}
.tip::after{content:attr(data-tip);position:absolute;bottom:130%;left:50%;transform:translateX(-50%) translateY(4px);background:#0b1430;color:#fff;font-size:.72rem;font-weight:500;padding:.35rem .6rem;border-radius:.5rem;white-space:nowrap;opacity:0;pointer-events:none;transition:.18s;z-index:10;}
.tip:hover::after{opacity:1;transform:translateX(-50%) translateY(0);}

/* ---------- 论坛封面渐变 ---------- */
.cover{position:relative;overflow:hidden;}
.cover::after{content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 80% 18%,rgba(255,255,255,.28),transparent 38%),radial-gradient(circle at 12% 90%,rgba(255,255,255,.16),transparent 36%);pointer-events:none;}
.cover-grad-blue{background-image:linear-gradient(135deg,#0E5FFF 0%,#3B73FF 55%,#5E92FF 100%);}
.cover-grad-teal{background-image:linear-gradient(135deg,#0560C9 0%,#0E97C7 55%,#00C2B8 100%);}
.cover-grad-violet{background-image:linear-gradient(135deg,#3B2BD6 0%,#6A4BFF 50%,#9E6BFF 100%);}
.cover-grad-night{background-image:linear-gradient(135deg,#0B1430 0%,#15296b 55%,#1f3aa0 100%);}
.cover-pattern{position:absolute;inset:0;opacity:.5;background-image:radial-gradient(rgba(255,255,255,.5) 1px,transparent 1px);background-size:20px 20px;pointer-events:none;}

/* 实用 */
.hide{display:none!important;}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.clamp-1{display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.no-scrollbar::-webkit-scrollbar{display:none;}
.text-gradient{background:linear-gradient(120deg,#0E5FFF,#00B8D9);-webkit-background-clip:text;background-clip:text;color:transparent;}

/* 全局 loading 遮罩（U.loading） */
.mo-loading{position:fixed;inset:0;z-index:200;background:rgba(255,255,255,.45);backdrop-filter:blur(2px);display:grid;place-items:center;}
.mo-loading__spin{width:2.4rem;height:2.4rem;border-radius:50%;border:3px solid var(--brand-100);border-top-color:var(--brand);animation:mo-spin .7s linear infinite;}
@keyframes mo-spin{to{transform:rotate(360deg)}}

/* 自绘日期时间控件（U.dtPicker，替代原生 datetime-local 弹层） */
.dtp-panel{position:absolute;z-index:120;background:#fff;border:1px solid var(--line);border-radius:1rem;box-shadow:0 12px 40px rgba(13,38,76,.14);padding:.9rem;display:flex;gap:.75rem;user-select:none;}
.dtp-cal{width:16.5rem;}
.dtp-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:.5rem;}
.dtp-title{font-weight:700;color:var(--ink);font-size:.92rem;}
.dtp-nav{display:flex;gap:.25rem;}
.dtp-nav button{width:1.7rem;height:1.7rem;border:none;background:transparent;border-radius:.5rem;color:var(--subink);cursor:pointer;}
.dtp-nav button:hover{background:var(--brand-50);color:var(--brand-700);}
.dtp-week{display:grid;grid-template-columns:repeat(7,1fr);margin-bottom:.15rem;}
.dtp-week span{text-align:center;font-size:.72rem;color:var(--muted);padding:.25rem 0;}
.dtp-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:.15rem;}
.dtp-day{border:none;background:transparent;width:2.05rem;height:2.05rem;border-radius:.6rem;font-size:.85rem;color:var(--ink);cursor:pointer;font-variant-numeric:tabular-nums;}
.dtp-day:hover{background:var(--brand-50);}
.dtp-day.is-out{color:#c3cbda;pointer-events:none;}
.dtp-day.is-today{box-shadow:inset 0 0 0 1px var(--brand);}
.dtp-day.is-sel{background:var(--brand);color:#fff;font-weight:700;}
.dtp-times{display:flex;gap:.4rem;}
.dtp-col{width:3.4rem;height:15.2rem;overflow-y:auto;border-left:1px solid var(--line);padding-left:.4rem;scrollbar-width:thin;}
.dtp-col button{display:block;width:100%;border:none;background:transparent;padding:.34rem 0;border-radius:.5rem;font-size:.85rem;color:var(--ink);cursor:pointer;font-variant-numeric:tabular-nums;text-align:center;}
.dtp-col button:hover{background:var(--brand-50);}
.dtp-col button.is-sel{background:var(--brand);color:#fff;font-weight:700;}
.dtp-foot{position:absolute;left:.9rem;bottom:.55rem;display:flex;gap:1rem;}
.dtp-foot button{border:none;background:transparent;color:var(--brand-700);font-size:.8rem;cursor:pointer;padding:0;}
.dtp-panel{padding-bottom:2.1rem;}

/* 移动端：输入框字号≥16px，避免 iOS 聚焦输入框时页面自动放大 */
@media (max-width:640px){.input,.select,.textarea,input[type=text],input[type=tel],input[type=email],input[type=password],input[type=number],input[type=search]{font-size:16px;}}