.submit-root{max-width:1360px;margin:0 auto;padding:clamp(26px,5vw,64px) 28px 96px;color:var(--text,#e8e8ec);font:400 16px/1.7 var(--body,'Noto Sans SC',system-ui,sans-serif);background-image:radial-gradient(color-mix(in srgb,var(--line,rgba(255,255,255,.1)) 55%,transparent) 1px,transparent 1.4px);background-size:22px 22px}
@media(max-width:720px){.submit-root{padding-left:18px;padding-right:18px}}
/* 刊头：覆盖全局 header{position:sticky;background;backdrop-filter} 以免继承站点导航栏皮肤 */
.sb-mast{position:relative;top:auto;z-index:auto;margin:0 0 30px;background:none;backdrop-filter:none;transition:none}
.sb-mast .kicker{display:flex;align-items:center;gap:12px;font:700 12px/1 var(--body,system-ui);letter-spacing:.32em;text-transform:uppercase;color:var(--c,var(--amber,#f5a623));margin:0 0 12px}
.sb-mast .kicker::before{content:"";width:34px;height:2px;background:var(--c,var(--amber,#f5a623));border-radius:2px}
.sb-mast h1{margin:0 0 10px;font:800 clamp(28px,5.6vw,44px)/1.08 var(--body,system-ui);letter-spacing:-.02em;color:var(--text,#f2f2f5)}
.sb-mast p{margin:0;max-width:600px;color:var(--muted,#b6b6be)}
.sb-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:30px;align-items:start}
.sb-form{padding:clamp(20px,3vw,30px);border-radius:18px;background:var(--card,rgba(255,255,255,.035));border:1px solid var(--line,rgba(255,255,255,.08))}
.sb-row{margin:0 0 18px}
.sb-row label{display:block;font:700 13.5px/1 var(--body,system-ui);letter-spacing:.02em;color:var(--text,#ededf1);margin:0 0 8px}
.sb-row label .req{color:var(--c,var(--amber,#f5a623))}
.sb-row label .opt{color:var(--dim,#7c7c86);font-weight:400;margin-left:6px}
.sb-row input,.sb-row textarea,.sb-row select{width:100%;box-sizing:border-box;padding:12px 14px;border-radius:11px;font:500 15px/1.5 var(--body,system-ui);color:var(--text,#f2f2f5);background:var(--card,rgba(0,0,0,.18));border:1px solid var(--line,rgba(255,255,255,.12));outline:none;transition:border-color .2s ease,box-shadow .2s ease}
.sb-row textarea{min-height:96px;resize:vertical;line-height:1.6}
.sb-row input:focus,.sb-row textarea:focus,.sb-row select:focus{border-color:var(--c,var(--amber,#f5a623));box-shadow:0 0 0 3px color-mix(in srgb,var(--c,var(--amber,#f5a623)) 18%,transparent)}
.sb-row.bad input,.sb-row.bad textarea{border-color:#ff5c5c}
.sb-err{display:none;margin:6px 0 0;font:700 12px/1.4 var(--body,system-ui);color:#ff7676}
.sb-row.bad .sb-err{display:block}
.sb-catpick{display:flex;gap:8px;flex-wrap:wrap}
.sb-catpick label{display:inline-flex;align-items:center;gap:6px;margin:0;cursor:pointer;font:700 13px/1 var(--body,system-ui);padding:8px 13px;border-radius:999px;color:var(--muted,#b6b6be);background:var(--card,rgba(255,255,255,.04));border:1px solid var(--line,rgba(255,255,255,.1));transition:all .2s ease}
.sb-catpick input{display:none}
.sb-catpick label:has(input:checked){color:#1a1206;background:var(--c,var(--amber,#f5a623));border-color:var(--c,var(--amber,#f5a623))}
.sb-submit{appearance:none;cursor:pointer;width:100%;margin-top:6px;padding:15px;border:none;border-radius:12px;font:800 16px/1 var(--body,system-ui);letter-spacing:.02em;color:#1a1206;background:var(--c,var(--amber,#f5a623));transition:transform .18s ease,filter .18s ease,opacity .2s ease}
.sb-submit:hover:not(:disabled){transform:translateY(-2px);filter:brightness(1.06)}
.sb-submit:disabled{opacity:.45;cursor:not-allowed}
.sb-honeypot{position:absolute!important;width:1px!important;height:1px!important;overflow:hidden!important;clip:rect(0 0 0 0)!important;white-space:nowrap!important}
.cf-turnstile{min-height:65px;margin:4px 0 12px}
.sb-api-error{min-height:20px;margin:8px 0;color:#e95555;font-size:13px;font-weight:700}
.sb-config-warning{margin:8px 0 14px;padding:11px 13px;border:1px dashed #d79b29;border-radius:10px;color:#a36e0e;background:rgba(255,176,32,.08);font-size:13px}
/* 右侧编辑立场 —— 覆盖全局 aside{display:none / height / overflow / padding} 以免被隐藏或挤压 */
.sb-aside{display:block;position:sticky;top:18px;height:auto;overflow:visible;padding:0;flex-direction:column;gap:16px}
.sb-stand{padding:20px 18px;border-radius:16px;background:var(--card,rgba(255,255,255,.035));border:1px solid var(--line,rgba(255,255,255,.08))}
.sb-stand h2{display:flex;align-items:center;gap:10px;margin:0 0 14px;font:800 14px/1 var(--body,system-ui);color:var(--text,#f2f2f5)}
.sb-stand h2::before{content:"";width:4px;height:16px;border-radius:3px;background:var(--c,var(--amber,#f5a623))}
.sb-stand li{margin:0 0 11px;padding-left:22px;position:relative;font:400 13.5px/1.6 var(--body,system-ui);color:var(--muted,#b6b6be);list-style:none}
.sb-stand li::before{content:"✓";position:absolute;left:0;top:0;color:var(--c,var(--amber,#f5a623));font-weight:800}
.sb-flow{padding:18px;border-radius:16px;border:1px dashed color-mix(in srgb,var(--c,var(--amber,#f5a623)) 45%,transparent)}
.sb-flow h2{margin:0 0 12px;font:800 13px/1 var(--body,system-ui);letter-spacing:.1em;text-transform:uppercase;color:var(--c,var(--amber,#f5a623))}
.sb-flow ol{margin:0;padding:0;counter-reset:f}
.sb-flow li{counter-increment:f;position:relative;padding:0 0 12px 30px;font:700 13px/1.5 var(--body,system-ui);color:var(--muted,#c9c9d2);list-style:none}
.sb-flow li:not(:last-child)::after{content:"";position:absolute;left:9px;top:20px;bottom:0;width:1px;background:var(--line,rgba(255,255,255,.12))}
.sb-flow li::before{content:counter(f);position:absolute;left:0;top:0;width:20px;height:20px;border-radius:50%;display:grid;place-items:center;font:800 11px/1 var(--body,system-ui);color:#1a1206;background:var(--c,var(--amber,#f5a623))}
/* 成功态 */
.sb-done{display:none;text-align:center;padding:48px 28px;border-radius:18px;background:var(--card,rgba(255,255,255,.035));border:1px solid color-mix(in srgb,var(--c,var(--amber,#f5a623)) 40%,transparent)}
.sb-done.show{display:block;animation:sbpop .5s ease}
@keyframes sbpop{from{opacity:0;transform:scale(.96) translateY(10px)}to{opacity:1;transform:none}}
.sb-done .tick{width:64px;height:64px;margin:0 auto 18px;border-radius:50%;display:grid;place-items:center;font-size:30px;color:#06281c;background:#3ddc97}
.sb-done h2{margin:0 0 10px;font:800 24px/1.2 var(--body,system-ui);color:var(--text,#f2f2f5)}
.sb-done p{margin:0 0 22px;color:var(--muted,#b6b6be)}
.sb-done button,.sb-done .sb-mail{appearance:none;cursor:pointer;display:inline-block;margin:4px;padding:12px 22px;border-radius:11px;border:1px solid var(--line,rgba(255,255,255,.15));background:transparent;color:var(--text,#f2f2f5);font:700 14px/1 var(--body,system-ui);text-decoration:none;transition:border-color .2s ease}
.sb-done .sb-mail{background:var(--c,var(--amber,#f5a623));border-color:transparent;color:#1a1206}
.sb-done button:hover,.sb-done .sb-mail:hover{border-color:var(--c,var(--amber,#f5a623))}
.submit-root .reveal{opacity:0;transform:translateY(14px);transition:opacity .55s ease,transform .55s ease}
.submit-root .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.submit-root .reveal{opacity:1;transform:none;transition:none}.sb-submit,.sb-done.show{animation:none;transition:none}}
@media (max-width:860px){.sb-layout{grid-template-columns:1fr}.sb-aside{display:block;position:static}}