*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --bg:#f5f3f7;
  --surface:rgba(255,255,255,.72);
  --ink:#181528;
  --ink-2:#413a55;
  --muted:#8b859c;
  --line:rgba(24,21,40,.08);
  --line-strong:rgba(24,21,40,.14);
  --brand:#6c5ce7;
  --brand-deep:#4c3fd6;
  --brand-light:#8b7bff;
  --brand-soft:rgba(108,92,231,.10);
  --accent:#f0a04b;
  --accent-deep:#b45309;
  --ok:#22c55e;
  --ok-deep:#15803d;
  --danger:#ef4444;
  --danger-deep:#b91c1c;
  --r-md:16px;
  --r-lg:22px;
  --r-xl:30px;
  --sh-1:0 1px 2px rgba(24,21,40,.04),0 4px 12px -6px rgba(24,21,40,.08);
  --sh-2:0 14px 34px -16px rgba(24,21,40,.22);
  --sh-3:0 40px 80px -32px rgba(24,21,40,.30);
  --ease:cubic-bezier(.22,1,.36,1);
}

html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
[hidden]{display:none !important}

body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
  color:var(--ink);
  line-height:1.65;
  min-height:100vh;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  background:
    radial-gradient(1200px 620px at 8% -12%, rgba(108,92,231,.16), transparent 62%),
    radial-gradient(900px 520px at 96% -4%, rgba(240,160,75,.14), transparent 58%),
    radial-gradient(900px 700px at 50% 112%, rgba(108,92,231,.10), transparent 62%),
    var(--bg);
  background-attachment:fixed;
}

img,video{max-width:100%;display:block}
button,input,select,textarea{font:inherit;color:inherit}
a{color:inherit;text-decoration:none}
::selection{background:rgba(108,92,231,.22)}

.wrap{width:min(1200px,calc(100% - 2.5rem));margin-inline:auto}

/* ============================================================
   语言显示控制
   ============================================================ */
body.lang-zh [data-en]:not(option) { display: none !important; }
body.lang-en [data-zh]:not(option) { display: none !important; }

.res-badge.cover{background:rgba(0,184,148,.14);color:#00b894;}

.lang-switch{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.4rem;
  height:36px;
  padding:0 .85rem;
  border-radius:10px;
  background:rgba(255,255,255,.78);
  border:1px solid var(--line-strong);
  color:var(--ink-2);
  cursor:pointer;
  font-weight:700;
  font-size:.76rem;
  letter-spacing:.02em;
  white-space:nowrap;
  transition:all .22s var(--ease);
  -webkit-tap-highlight-color:transparent;
}
.lang-switch:hover{
  background:#fff;
  border-color:rgba(108,92,231,.45);
  color:var(--brand-deep);
  transform:translateY(-1px);
  box-shadow:0 8px 18px -10px rgba(108,92,231,.75);
}
.lang-switch:hover .ico{transform:rotate(20deg)}
.lang-switch:active{transform:scale(.97)}
.lang-switch:focus-visible{outline:2px solid var(--brand);outline-offset:3px}
.lang-switch .ico{
  width:15px;height:15px;flex:none;
  color:var(--brand-deep);
  transition:transform .35s var(--ease);
}
.lang-switch .lbl{
  line-height:1;
  background:linear-gradient(140deg,var(--brand),#b06ab3 70%,var(--accent));
  -webkit-background-clip:text;background-clip:text;
  color:transparent;
  font-weight:800;
  font-size:.78rem;
}

/* ============ 顶栏 ============ */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(247,245,250,.72);
  backdrop-filter:blur(18px) saturate(180%);
  -webkit-backdrop-filter:blur(18px) saturate(180%);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.8rem 0}

.logo{display:flex;align-items:center;gap:.65rem}
.logo-mark{
  width:38px;height:38px;border-radius:12px;flex:none;
  display:grid;place-items:center;color:#fff;
  background:linear-gradient(140deg,var(--brand),var(--brand-light));
  box-shadow:0 8px 18px -8px rgba(108,92,231,.9);
}
.logo-mark svg{width:21px;height:21px}
.logo-text{display:flex;flex-direction:column;line-height:1.1}
.logo-text b{font-size:1rem;font-weight:650;letter-spacing:-.01em}
.logo-text small{font-size:.6rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);font-weight:600}

.nav-actions{display:flex;align-items:center;gap:.7rem}
.nav-links{display:flex;align-items:center;gap:.2rem}
.nav-links a{
  padding:.5rem .85rem;border-radius:10px;font-size:.87rem;color:var(--ink-2);
  transition:background .2s,color .2s;
}
.nav-links a:hover{background:var(--brand-soft);color:var(--brand-deep)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.45rem;
  padding:.62rem 1.2rem;border-radius:12px;border:1px solid transparent;
  font-size:.88rem;font-weight:550;cursor:pointer;white-space:nowrap;
  transition:transform .18s var(--ease),box-shadow .25s,background .2s,border-color .2s,color .2s;
  -webkit-tap-highlight-color:transparent;
}
.btn:active:not(:disabled):not(.is-disabled){transform:scale(.97)}
.btn:disabled{opacity:.55;cursor:not-allowed;filter:saturate(.6)}
.btn.is-disabled{
  opacity:.55;
  cursor:not-allowed;
  filter:saturate(.6);
  box-shadow:none;
}
.btn.is-disabled:hover{transform:none;box-shadow:none}
.btn-sm{padding:.48rem .95rem;font-size:.82rem;border-radius:10px}
.btn-lg{padding:.85rem 1.75rem;font-size:.95rem;border-radius:14px}
.btn-primary{
  background:linear-gradient(140deg,var(--brand),var(--brand-light));
  color:#fff;box-shadow:0 10px 24px -12px rgba(108,92,231,.95);
}
.btn-primary:hover:not(:disabled):not(.is-disabled){transform:translateY(-1px);box-shadow:0 16px 32px -14px rgba(108,92,231,1)}
.btn-ghost{background:rgba(255,255,255,.72);border-color:var(--line-strong);color:var(--ink-2)}
.btn-ghost:hover{background:#fff;border-color:rgba(108,92,231,.35);color:var(--brand-deep)}
.btn-block{width:100%;padding:.85rem 1.2rem;font-size:.95rem;border-radius:14px}

/* ============ 页头 ============ */
.page-head{padding:3.5rem 0 2rem;text-align:center}

.page-head .eyebrow{
  display:inline-flex;
  align-items:center;
  gap:.55rem;
  padding:0;
  background:none;
  border:none;
  box-shadow:none;
  font-size:.82rem;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--ink-2);
}
.page-head .eyebrow::before{
  content:"";
  flex:none;
  width:9px;height:9px;
  border-radius:50%;
  background:radial-gradient(circle at 35% 32%, #4ade80, var(--ok) 62%, var(--ok-deep));
  box-shadow:0 0 0 0 rgba(34,197,94,.55);
  animation:eyebrow-breathe 2.1s var(--ease) infinite;
}
@keyframes eyebrow-breathe{
  0%{transform:scale(.86);box-shadow:0 0 0 0 rgba(34,197,94,.55);opacity:.85;}
  45%{transform:scale(1.06);box-shadow:0 0 0 7px rgba(34,197,94,0);opacity:1;}
  100%{transform:scale(.86);box-shadow:0 0 0 0 rgba(34,197,94,0);opacity:.85;}
}
@media (prefers-reduced-motion: reduce){
  .page-head .eyebrow::before{animation:none;box-shadow:0 0 0 4px rgba(34,197,94,.18);}
}

.page-head h1{
  margin-top:1.35rem;
  font-size:clamp(1.9rem,5vw,2.75rem);
  line-height:1.15;letter-spacing:-.035em;font-weight:730;
}
.page-head h1 em{
  font-style:normal;
  background:linear-gradient(100deg,var(--brand),#b06ab3 65%,var(--accent));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.page-head p{
  margin:1rem auto 0;max-width:36rem;
  color:var(--muted);font-size:.95rem;
}

/* ============ 主体布局 ============ */
.submit-section{padding:.5rem 0 2.75rem}

.submit-layout{
  display:grid;gap:1.75rem;align-items:start;
}
@media(min-width:1000px){
  .submit-layout{grid-template-columns:1.15fr .85fr;gap:2rem}
}

/* ============ 表单区 ============ */
.panel{
  background:var(--surface);
  backdrop-filter:blur(20px) saturate(165%);
  -webkit-backdrop-filter:blur(20px) saturate(165%);
  border:1px solid rgba(255,255,255,.85);
  border-radius:var(--r-xl);
  box-shadow:var(--sh-2);
  padding:clamp(1.5rem,3.5vw,2.5rem);
  min-width:0;
}

.form-title{
  font-size:1.1rem;font-weight:680;letter-spacing:-.01em;
  margin-bottom:1.5rem;display:flex;align-items:center;gap:.55rem;
}

.section-title{
  display:flex;align-items:center;gap:.55rem;
  font-size:.84rem;font-weight:700;
  color:var(--ink);
  letter-spacing:.02em;
  margin:1.75rem 0 .9rem;
  padding-bottom:.6rem;
  border-bottom:1px dashed var(--line-strong);
}
.section-title:first-of-type{margin-top:0}
.section-title .st-num{
  width:22px;height:22px;flex:none;border-radius:50%;
  display:grid;place-items:center;
  font-size:.68rem;font-weight:800;
  background:linear-gradient(140deg,var(--brand),var(--brand-light));
  color:#fff;
  box-shadow:0 4px 10px -6px rgba(108,92,231,.9);
}

.field{display:flex;flex-direction:column;gap:.4rem;margin-bottom:1rem}
.field label{font-size:.82rem;font-weight:600;color:var(--ink-2)}
.field label .opt{
  font-weight:500;color:var(--muted);font-size:.76rem;margin-left:.25rem;
}
.req{color:var(--danger)}
.field-row{display:grid;gap:1rem}
@media(min-width:560px){.field-row{grid-template-columns:1fr 1fr}}
@media(min-width:560px){.field-row-3{grid-template-columns:1fr 1fr 1fr}}

/* ------------------------------------------------------------
   输入框 / 选择框
   ------------------------------------------------------------ */
.input,.select,.textarea{
  width:100%;
  padding:.5rem .8rem;
  border-radius:10px;
  background:rgba(255,255,255,.88);
  border:1px solid var(--line-strong);
  font-size:.86rem;
  line-height:1.4;
  color:var(--ink);
  outline:none;
  transition:border-color .2s,box-shadow .2s,background .2s;
}
.input::placeholder,.textarea::placeholder{color:#b3aec2}
.input:focus,.select:focus,.textarea:focus{
  background:#fff;border-color:rgba(108,92,231,.55);
  box-shadow:0 0 0 3px rgba(108,92,231,.12);
}
.textarea{resize:vertical;min-height:86px;line-height:1.6}

.select{
  appearance:none;
  -webkit-appearance:none;
  cursor:pointer;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238b859c' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right .7rem center;
  background-size:15px;
  padding-right:2.1rem;
}
.select option{
  background:#fff;
  color:var(--ink);
  padding:.4rem;
  font-size:.86rem;
}
.select:disabled{
  opacity:.62;
  cursor:not-allowed;
  background-color:rgba(255,255,255,.55);
}

/* ============================================================
   联系方式组合输入
   ============================================================ */
.contact-group{
  display:flex;
  width:100%;
  border-radius:10px;
  transition:box-shadow .2s;
}
.contact-group .select{
  flex:0 0 auto;
  width:auto;
  min-width:88px;
  padding:.5rem 1.6rem .5rem .65rem;
  border-radius:10px 0 0 10px;
  border-right:none;
  font-size:.82rem;
  background-position:right .5rem center;
  background-size:14px;
}
.contact-group .input{
  flex:1;
  min-width:0;
  border-radius:0 10px 10px 0;
}
.contact-group:focus-within{
  box-shadow:0 0 0 3px rgba(108,92,231,.12);
  border-radius:10px;
}
.contact-group:focus-within .select,
.contact-group:focus-within .input{
  background:#fff;
  border-color:rgba(108,92,231,.55);
  box-shadow:none;
}
.contact-group .input:focus{
  border-left-color:var(--line-strong);
}

/* ============================================================
   日期选择
   ============================================================ */
input[type="date"].input{
  cursor:pointer;
  font-family:inherit;
}
input[type="date"].input::-webkit-calendar-picker-indicator{
  cursor:pointer;
  opacity:.55;
  transition:opacity .2s;
}
input[type="date"].input::-webkit-calendar-picker-indicator:hover{opacity:1}

/* ============ 进行中的投稿卡片（批次） ============ */
.batch-banner{
  display:flex;
  align-items:flex-start;
  gap:.85rem;
  padding:1rem 1.15rem;
  border-radius:14px;
  background:
    radial-gradient(420px 180px at 88% -30%, rgba(34,197,94,.18), transparent 70%),
    rgba(34,197,94,.06);
  border:1px solid rgba(34,197,94,.24);
  margin-bottom:1.5rem;
  position:relative;
  min-width:0;
}
.batch-icon{
  width:36px;height:36px;flex:none;border-radius:11px;
  display:grid;place-items:center;font-size:1.05rem;
  background:rgba(34,197,94,.14);
}
.batch-body{flex:1;min-width:0}
.batch-title{
  font-size:.88rem;font-weight:700;color:#15803d;
  margin-bottom:.4rem;
}
.batch-info{
  display:flex;flex-wrap:wrap;align-items:center;gap:.5rem;
  font-size:.8rem;color:var(--ink-2);
  margin-bottom:.35rem;
}
.batch-key{color:var(--muted);font-size:.76rem}
.batch-info code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:.82rem;font-weight:700;
  padding:.15rem .55rem;border-radius:7px;
  background:#fff;
  border:1px solid rgba(34,197,94,.28);
  color:#15803d;
  letter-spacing:.04em;
}
.batch-copy{
  background:none;border:none;cursor:pointer;
  color:var(--brand-deep);font-size:.76rem;font-weight:600;
  padding:.1rem .35rem;border-radius:6px;
  transition:background .2s;
}
.batch-copy:hover{background:rgba(108,92,231,.1)}
.batch-count{
  font-size:.78rem;color:var(--muted);
  display:flex;flex-wrap:wrap;align-items:center;gap:.35rem;
  line-height:1.7;
}
.batch-count strong{
  color:#15803d;font-weight:800;font-size:.92rem;
  padding:0 .15rem;
}
.batch-hint{color:var(--muted)}
.batch-close{
  align-self:flex-start;
  padding:.42rem .85rem;
  border-radius:9px;
  background:rgba(255,255,255,.7);
  border:1px solid var(--line-strong);
  font-size:.76rem;font-weight:600;
  color:var(--ink-2);
  cursor:pointer;
  white-space:nowrap;
  transition:all .2s var(--ease);
  flex:none;
}
.batch-close:hover{
  background:#fff;
  border-color:rgba(108,92,231,.35);
  color:var(--brand-deep);
}

/* ============ 拖拽上传 ============ */
.dropzone{
  border:1.5px dashed rgba(108,92,231,.38);
  border-radius:var(--r-md);
  padding:1.6rem 1rem;text-align:center;
  background:rgba(108,92,231,.045);
  cursor:pointer;transition:all .22s var(--ease);
}
.dropzone:hover,.dropzone.dragover{
  border-color:var(--brand);background:rgba(108,92,231,.1);
  transform:translateY(-1px);
}
.dropzone svg{width:26px;height:26px;color:var(--brand);margin:0 auto .55rem}
.dropzone p{font-size:.85rem;color:var(--ink-2)}
.dropzone p b{color:var(--brand-deep);font-weight:600}
.dropzone .tiny{font-size:.72rem;color:var(--muted);margin-top:.35rem;line-height:1.6}

/* ------------------------------------------------------------
   文件列表
   ------------------------------------------------------------ */
.file-list{display:flex;flex-direction:column;gap:.5rem;margin-top:.65rem}

.file-row{display:flex;flex-direction:column}

.file-item{
  display:flex;align-items:center;gap:.6rem;
  padding:.5rem .75rem;border-radius:10px;
  background:rgba(255,255,255,.92);
  border:1px solid var(--line-strong);
  font-size:.8rem;
  transition:border-color .2s, background .2s;
}
.file-item[data-state="ok"]{
  border-color:rgba(34,197,94,.42);
  background:rgba(34,197,94,.055);
}
.file-item[data-state="warn"]{
  border-color:rgba(180,83,9,.38);
  background:rgba(240,160,75,.06);
}
.file-item[data-state="bad"]{
  border-color:rgba(239,68,68,.45);
  background:rgba(239,68,68,.055);
}
.file-item[data-state="checking"]{
  border-color:rgba(240,160,75,.45);
  background:rgba(240,160,75,.06);
}

.file-item .idx{
  flex:none;
  width:22px;height:22px;
  display:grid;place-items:center;
  border-radius:7px;
  font-size:.68rem;font-weight:800;
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
  background:linear-gradient(140deg,var(--brand),var(--brand-light));
  color:#fff;
  box-shadow:0 4px 10px -6px rgba(108,92,231,.9);
}

/* 状态圆圈 */
.file-item .status-dot{
  width:14px;height:14px;flex:none;
  border-radius:50%;
  border:2px solid var(--line-strong);
  background:transparent;
  transition:border-color .2s, box-shadow .2s;
}
.file-item[data-state="checking"] .status-dot{
  border-color:var(--accent);
  border-top-color:transparent;
  animation:dot-spin .7s linear infinite;
}
@keyframes dot-spin{to{transform:rotate(360deg)}}
.file-item[data-state="ok"] .status-dot{
  border-color:var(--ok);
  box-shadow:0 0 0 3px rgba(34,197,94,.16);
}
.file-item[data-state="warn"] .status-dot{
  border-color:var(--accent-deep);
  box-shadow:0 0 0 3px rgba(180,83,9,.14);
}
.file-item[data-state="bad"] .status-dot{
  border-color:var(--danger);
  box-shadow:0 0 0 3px rgba(239,68,68,.16);
}
@media (prefers-reduced-motion: reduce){
  .file-item[data-state="checking"] .status-dot{animation:none;border-top-color:var(--accent)}
}

.file-item .name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.file-item .size{color:var(--muted);font-size:.72rem;flex:none}
.file-item button{
  background:none;border:none;cursor:pointer;color:var(--muted);
  font-size:1.1rem;line-height:1;padding:0 .2rem;flex:none;
  transition:color .2s;
}
.file-item button:hover{color:var(--danger)}

.file-reason{
  margin:.32rem 0 0 2.35rem;
  font-size:.73rem;
  line-height:1.65;
  color:var(--danger-deep);
  word-break:break-word;
}
.file-reason::before{
  content:"⚠ ";
  font-size:.75rem;
}

/* ============================================================
   ★ 图片匹配信息行
   ============================================================ */
.file-meta{
  margin:.32rem 0 0 2.35rem;
  font-size:.75rem;
  line-height:1.6;
  font-weight:600;
  letter-spacing:.01em;
  word-break:break-word;
}
.file-meta.ok  { color:#15803d; }
.file-meta.warn{ color:#b45309; }

/* ============================================================
   ★ 设备自动识别汇总（放在上传区下方）
   ============================================================ */
.device-auto-summary{
  margin-top:.85rem;
  padding:.85rem 1rem;
  border-radius:12px;
  background:rgba(108,92,231,.05);
  border:1px dashed rgba(108,92,231,.28);
  font-size:.82rem;
  color:var(--ink-2);
  line-height:1.7;
}
.device-auto-summary .device-empty{
  margin:0;
  color:var(--muted);
  font-size:.78rem;
  line-height:1.7;
}
.device-summary-head{
  display:flex;
  align-items:center;
  gap:.4rem;
  font-weight:700;
  color:var(--brand-deep);
  margin-bottom:.55rem;
  font-size:.8rem;
}
.device-stat{
  display:flex;
  flex-wrap:wrap;
  gap:.5rem;
}
.device-stat-item{
  display:inline-flex;
  align-items:center;
  gap:.4rem;
  padding:.35rem .75rem;
  border-radius:9px;
  background:#fff;
  border:1px solid rgba(108,92,231,.22);
  font-size:.8rem;
  font-weight:600;
  color:var(--brand-deep);
}
.device-stat-item .dcount{
  font-weight:800;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
}

/* ============================================================
   ★ 提交清单（未完成项提示）
   ============================================================ */
.submit-gate{
  margin:1.5rem 0 .85rem;
  padding:1rem 1.15rem 1.05rem;
  border-radius:14px;
  background:rgba(240,160,75,.07);
  border:1px solid rgba(240,160,75,.28);
  transition:background .3s, border-color .3s;
}
.submit-gate.flash{
  animation:sg-flash 1s var(--ease);
}
@keyframes sg-flash{
  0%,100%{background:rgba(240,160,75,.07);border-color:rgba(240,160,75,.28);}
  30%{background:rgba(240,160,75,.24);border-color:rgba(240,160,75,.6);}
}
.sg-title{
  font-size:.82rem;
  font-weight:700;
  color:var(--accent-deep);
  margin-bottom:.55rem;
  display:flex;
  align-items:center;
  gap:.45rem;
  line-height:1.5;
}
.sg-title::before{
  content:"";
  width:7px;height:7px;border-radius:50%;
  background:var(--accent);
  flex:none;
  animation:sg-pulse 1.6s ease-in-out infinite;
}
@keyframes sg-pulse{
  0%,100%{opacity:.5;transform:scale(.8)}
  50%{opacity:1;transform:scale(1)}
}
@media (prefers-reduced-motion: reduce){
  .sg-title::before{animation:none}
}
.submit-checklist{
  list-style:none;
  display:flex;
  flex-direction:column;
  gap:.1rem;
  font-size:.82rem;
  line-height:1.6;
}
.submit-checklist li{
  display:flex;
  align-items:flex-start;
  gap:.55rem;
  padding:.25rem .1rem;
  color:var(--ink-2);
  transition:color .2s;
}
.submit-checklist li .cl-mark{
  flex:none;
  width:15px;height:15px;
  border-radius:50%;
  margin-top:.33rem;
  display:grid;place-items:center;
  font-size:.62rem;
  background:rgba(240,160,75,.24);
  color:var(--accent-deep);
  font-weight:800;
  line-height:1;
}
.submit-checklist li.done .cl-mark{
  background:rgba(34,197,94,.18);
  color:var(--ok-deep);
}
.submit-checklist li.done .cl-text,
.submit-checklist li.done .cl-text span{
  color:var(--muted);
  text-decoration:line-through;
  text-decoration-color:rgba(24,21,40,.18);
}
.submit-checklist li .cl-text{
  flex:1;
  min-width:0;
}
.submit-checklist li button.cl-jump{
  background:none;
  border:none;
  padding:0;
  font:inherit;
  color:var(--brand-deep);
  cursor:pointer;
  font-weight:600;
  text-align:left;
  text-decoration:underline;
  text-underline-offset:3px;
  transition:color .2s;
  -webkit-tap-highlight-color:transparent;
}
.submit-checklist li button.cl-jump:hover{
  color:var(--brand);
}
.submit-checklist li button.cl-jump:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:2px;
  border-radius:4px;
}

/* 高亮目标元素 */
.flash-target{
  animation:target-glow 1.2s var(--ease);
  border-radius:10px;
}
@keyframes target-glow{
  0%,100%{box-shadow:0 0 0 0 rgba(108,92,231,0);}
  30%{box-shadow:0 0 0 6px rgba(108,92,231,.28);}
}

/* ============================================================
   复选框
   ============================================================ */
.check{
  display:flex;gap:.65rem;align-items:flex-start;
  font-size:.8rem;color:var(--ink-2);margin-bottom:.85rem;line-height:1.65;
}
.check input{
  appearance:none;-webkit-appearance:none;
  width:17px;height:17px;flex:none;margin-top:.2rem;
  border-radius:5px;border:1.5px solid rgba(108,92,231,.38);
  background:#fff;cursor:pointer;position:relative;
  transition:background .18s,border-color .18s;
}
.check input:checked{background:linear-gradient(140deg,var(--brand),var(--brand-light));border-color:transparent}
.check input:checked::after{
  content:"";position:absolute;left:5px;top:1.5px;width:4px;height:9px;
  border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg);
}
.check label{cursor:pointer}
.check a{color:var(--brand-deep);text-decoration:underline;text-underline-offset:2px}

/* ============ 侧栏：上传规格 ============ */
.specs-card{
  background:rgba(255,255,255,.72);
  border:1px solid rgba(255,255,255,.95);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-2);
  overflow:hidden;
  position:sticky;
  top:5.5rem;
}
@media(max-width:999px){.specs-card{position:static}}

.specs-head{
  padding:1.35rem 1.5rem 1.1rem;
  border-bottom:1px dashed var(--line-strong);
  display:flex;align-items:center;gap:.65rem;
}
.specs-head .si{
  width:38px;height:38px;flex:none;border-radius:12px;
  display:grid;place-items:center;font-size:1.05rem;
  background:linear-gradient(140deg,rgba(108,92,231,.16),rgba(240,160,75,.18));
}
.specs-head h3{font-size:1rem;font-weight:680;letter-spacing:-.01em}
.specs-head p{font-size:.74rem;color:var(--muted);margin-top:.1rem}

.specs-body{padding:.4rem 1.5rem 1.4rem}

.res-grid{
  display:grid;gap:.6rem;
  margin:.25rem 0 1rem;
}
.res-item{
  display:flex;align-items:center;gap:.8rem;
  padding:.8rem .95rem;
  border-radius:12px;
  background:rgba(255,255,255,.85);
  border:1px solid var(--line-strong);
  transition:transform .22s var(--ease),border-color .22s,box-shadow .22s;
}
.res-item:hover{
  transform:translateY(-2px);
  border-color:rgba(108,92,231,.32);
  box-shadow:0 10px 20px -14px rgba(108,92,231,.65);
}
.res-badge{
  flex:none;
  display:inline-flex;align-items:center;justify-content:center;
  padding:.3rem .7rem;border-radius:8px;
  font-size:.7rem;font-weight:700;
  letter-spacing:.02em;
  min-width:86px;
}
.res-badge.mobile{background:rgba(108,92,231,.14);color:var(--brand-deep)}
.res-badge.sd    {background:rgba(139,133,156,.14);color:#5c5470}
.res-badge.fhd   {background:rgba(34,197,94,.14);color:#15803d}
.res-badge.uhd   {background:rgba(240,160,75,.18);color:var(--accent-deep)}

.res-info{min-width:0;flex:1}
.res-info strong{
  display:block;font-size:.84rem;font-weight:700;color:var(--ink);
  line-height:1.35;
}
.res-info span{
  display:block;font-size:.73rem;color:var(--muted);
  margin-top:.1rem;line-height:1.5;
}

.spec-row{
  display:flex;gap:1rem;align-items:flex-start;
  padding:.85rem 0;
  border-bottom:1px solid var(--line);
  font-size:.84rem;
}
.spec-row:last-child{border-bottom:none}
.spec-row .sk{
  flex:none;width:5.6rem;color:var(--muted);
  font-size:.78rem;font-weight:600;letter-spacing:.02em;
  padding-top:.1rem;
}
.spec-row .sv{flex:1;color:var(--ink-2);line-height:1.7;min-width:0}
.spec-row .sv strong{color:var(--ink);font-weight:650}
.spec-row .sv code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:.76rem;padding:.12rem .45rem;border-radius:6px;
  background:rgba(108,92,231,.09);color:var(--brand-deep);
  white-space:nowrap;
}
.spec-badge{
  display:inline-block;font-size:.7rem;font-weight:600;
  padding:.12rem .5rem;border-radius:999px;margin-left:.35rem;
  background:rgba(34,197,94,.12);color:#15803d;
  white-space:nowrap;
}
.spec-badge.warn{background:rgba(240,160,75,.18);color:#b45309}
.spec-badge.no{background:rgba(239,68,68,.12);color:#b91c1c}

.specs-foot{
  padding:1.1rem 1.5rem 1.35rem;
  background:rgba(108,92,231,.045);
  border-top:1px solid var(--line);
  font-size:.78rem;color:var(--muted);line-height:1.75;
}
.specs-foot a{color:var(--brand-deep);text-decoration:underline;text-underline-offset:2px}
.specs-foot strong{color:var(--ink-2);font-weight:700}

/* ============ 收益提示卡（暂未启用，保留备用） ============ */
.earn-mini{
  display:flex;gap:.75rem;align-items:flex-start;
  padding:1rem 1.15rem;
  border-radius:14px;
  background:
    radial-gradient(380px 160px at 88% -30%, rgba(240,160,75,.22), transparent 70%),
    rgba(240,160,75,.08);
  border:1px solid rgba(240,160,75,.24);
  font-size:.82rem;color:var(--ink-2);line-height:1.75;
  margin-bottom:1.5rem;
}
.earn-mini .emi{
  font-size:1.05rem;line-height:1.4;flex:none;
}
.earn-mini strong{color:var(--accent-deep);font-weight:700}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:1rem;border-top:1px solid var(--line);
  padding:2.5rem 0 2.75rem;text-align:center;
}
.footer-brand{display:inline-flex;align-items:center;gap:.55rem;margin-bottom:1rem}
.footer-brand .logo-mark{width:30px;height:30px;border-radius:9px}
.footer-brand .logo-mark svg{width:17px;height:17px}
.footer-brand b{font-size:.92rem;font-weight:650}
.footer-note{font-size:.82rem;color:var(--muted);margin-bottom:1.1rem}
.footer-links{display:flex;flex-wrap:wrap;gap:.35rem 1.4rem;justify-content:center;margin-bottom:1.25rem}
.footer-links a{font-size:.82rem;color:var(--ink-2);transition:color .2s}
.footer-links a:hover{color:var(--brand-deep)}
.copyright{font-size:.75rem;color:#a49eb4}

/* ============================================================
   ★ Toast —— 居中显示（视口正中央）
   ============================================================ */
.toast{
  position:fixed;
  left:50%;
  top:50%;
  z-index:300;
  transform:translate(-50%,-50%) scale(.88);
  max-width:min(92vw,460px);
  min-width:220px;
  padding:1.15rem 1.75rem;
  border-radius:18px;
  background:rgba(24,21,40,.94);
  backdrop-filter:blur(16px) saturate(170%);
  -webkit-backdrop-filter:blur(16px) saturate(170%);
  color:#fff;
  font-size:.92rem;
  line-height:1.65;
  font-weight:500;
  text-align:center;
  letter-spacing:.005em;
  box-shadow:
    0 30px 70px -22px rgba(24,21,40,.65),
    0 0 0 1px rgba(255,255,255,.09) inset,
    0 0 60px -20px rgba(108,92,231,.5);
  opacity:0;
  visibility:hidden;
  pointer-events:none;
  transition:
    transform .3s var(--ease),
    opacity .25s ease,
    visibility .25s;
  word-break:break-word;
}
.toast.show{
  transform:translate(-50%,-50%) scale(1);
  opacity:1;
  visibility:visible;
  pointer-events:auto;
}
@media(max-width:520px){
  .toast{
    max-width:calc(100vw - 2rem);
    padding:1rem 1.25rem;
    font-size:.86rem;
    border-radius:16px;
  }
}

/* ============================================================
   ★ 致命错误遮罩
   ============================================================ */
.fatal-overlay{
  position:fixed;
  inset:0;
  z-index:9999;
  display:grid;
  place-items:center;
  padding:1.5rem;
  background:rgba(24,21,40,.58);
  backdrop-filter:blur(10px) saturate(120%);
  -webkit-backdrop-filter:blur(10px) saturate(120%);
  animation:fatal-fade .28s var(--ease);
  overflow-y:auto;
}
@keyframes fatal-fade{from{opacity:0}to{opacity:1}}

.fatal-card{
  width:min(480px,100%);
  background:#fff;
  border-radius:var(--r-lg);
  border:1px solid rgba(255,255,255,.9);
  box-shadow:var(--sh-3);
  padding:clamp(1.6rem,4vw,2.25rem);
  text-align:center;
}
.fatal-card .fatal-icon{
  display:inline-grid;
  place-items:center;
  width:56px;height:56px;
  border-radius:18px;
  font-size:1.6rem;
  margin-bottom:1rem;
  background:radial-gradient(circle at 40% 30%, rgba(239,68,68,.22), rgba(239,68,68,.10));
  border:1px solid rgba(239,68,68,.22);
}
.fatal-card h3{
  font-size:1.12rem;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--ink);
  margin-bottom:.7rem;
}
.fatal-card p{
  font-size:.86rem;
  line-height:1.8;
  color:var(--ink-2);
  margin-bottom:.55rem;
}
.fatal-card p + p{margin-top:.55rem}
.fatal-card code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:.8rem;
  padding:.15rem .5rem;
  border-radius:6px;
  background:rgba(108,92,231,.1);
  color:var(--brand-deep);
  word-break:break-all;
}
.fatal-actions{
  display:flex;
  gap:.7rem;
  justify-content:center;
  flex-wrap:wrap;
  margin-top:1.5rem;
}
.fatal-actions .btn{
  padding:.62rem 1.4rem;
  font-size:.88rem;
}
.fatal-hint{
  margin-top:1.1rem;
  font-size:.74rem;
  color:var(--muted);
  line-height:1.7;
}

@media(max-width:520px){
  .fatal-card{padding:1.5rem 1.15rem}
  .fatal-card h3{font-size:1rem}
  .fatal-card p{font-size:.8rem}
  .fatal-actions .btn{width:100%}
}

/* ============ 响应式 ============ */
@media(max-width:900px){.nav-links{display:none}}

@media(max-width:767px){
  .wrap{width:calc(100% - 1.75rem)}
  .page-head{padding:2.5rem 0 1.5rem}
  .page-head h1{font-size:1.75rem}
  .page-head p{font-size:.88rem}
  .page-head .eyebrow{font-size:.76rem}
  .page-head .eyebrow::before{width:8px;height:8px}
  .submit-section{padding:.25rem 0 2rem}
  .panel{padding:1.25rem;border-radius:var(--r-lg)}
  .specs-card{border-radius:var(--r-lg)}
  .specs-head,.specs-body,.specs-foot{padding-left:1.25rem;padding-right:1.25rem}
  .footer-links{gap:.3rem 1rem}

  .field-row-3{grid-template-columns:1fr !important}

  .spec-row{flex-direction:column;gap:.2rem}
  .spec-row .sk{width:auto}

  .contact-group .select{
    min-width:78px;
    padding:.5rem 1.5rem .5rem .55rem;
    font-size:.78rem;
    background-position:right .5rem center;
  }
  .contact-group .input{padding:.5rem .7rem;font-size:.85rem}

  .res-item{flex-direction:column;align-items:flex-start;gap:.5rem}
  .res-badge{min-width:0}

  .batch-banner{flex-wrap:wrap}
  .batch-close{width:100%;text-align:center}

  .file-reason{margin-left:2.1rem;font-size:.7rem}
  .file-meta{margin-left:2.1rem;font-size:.72rem}

  .submit-gate{padding:.9rem 1rem .95rem;margin:1.25rem 0 .75rem}
  .sg-title{font-size:.78rem}
  .submit-checklist{font-size:.78rem}

  .lang-switch{
    height:32px;
    padding:0 .7rem;
    gap:.3rem;
    border-radius:9px;
  }
  .lang-switch .ico{width:14px;height:14px}
  .lang-switch .lbl{font-size:.72rem}
}

@media(max-width:380px){
  .wrap{width:calc(100% - 1.25rem)}
  .page-head h1{font-size:1.55rem}
  .panel{padding:1rem}

  .contact-group .select{
    min-width:68px;
    padding:.45rem 1.4rem .45rem .5rem;
    font-size:.74rem;
  }
  .contact-group .input{padding:.45rem .6rem;font-size:.82rem}

  .lang-switch{
    height:30px;
    padding:0 .6rem;
    border-radius:8px;
  }
  .lang-switch .ico{width:13px;height:13px}
  .lang-switch .lbl{font-size:.68rem}
}