/* ============ Mike AI 2026 视觉 · 深空玻璃拟态 ============ */
:root{
  --bg:#0a0c11; --bg2:#0e1118; --panel:rgba(255,255,255,.035); --panel-border:rgba(255,255,255,.08);
  --text:#e8eaf2; --text-dim:#8b93a7; --accent:#7c9cff; --accent2:#b78cff;
  --grad:linear-gradient(120deg,#7c9cff,#b78cff);
  --radius:16px; --shadow:0 12px 40px rgba(0,0,0,.45);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;font-size:15px;line-height:1.7;min-height:100vh;display:flex;flex-direction:column}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1280px;margin:0 auto;padding:0 24px;width:100%}
::selection{background:rgba(124,156,255,.35)}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:#262d3d;border-radius:8px}
::-webkit-scrollbar-track{background:transparent}

/* ---------- 头部 ---------- */
.site-header{position:sticky;top:0;z-index:100;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);background:rgba(10,12,17,.75);border-bottom:1px solid var(--panel-border)}
.header-inner{display:flex;align-items:center;gap:32px;height:64px}
.logo{font-size:19px;font-weight:800;letter-spacing:.5px;display:flex;align-items:center;gap:6px;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.logo-dot{width:7px;height:7px;border-radius:50%;background:var(--grad);box-shadow:0 0 12px var(--accent)}
.main-nav{display:flex;gap:4px;flex:1}
.main-nav a{padding:8px 16px;border-radius:10px;color:var(--text-dim);font-size:14.5px;transition:.25s}
.main-nav a:hover{color:var(--text);background:var(--panel)}
.main-nav a.active{color:var(--text);background:var(--panel);box-shadow:inset 0 0 0 1px var(--panel-border)}
.header-right{display:flex;align-items:center;gap:10px}
.user-chip{position:relative;display:flex;align-items:center;gap:8px;cursor:pointer;padding:6px 12px;border-radius:999px;background:var(--panel);border:1px solid var(--panel-border)}
.user-chip .avatar{width:26px;height:26px;border-radius:50%;background:var(--grad);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;color:#fff}
.user-chip .uname{font-size:13.5px}
.user-menu{position:absolute;top:calc(100% + 8px);right:0;background:#151a24;border:1px solid var(--panel-border);border-radius:12px;min-width:140px;display:none;box-shadow:var(--shadow);overflow:hidden}
.user-chip:hover .user-menu{display:block}
.user-menu a{display:block;padding:10px 16px;font-size:13.5px;color:var(--text-dim)}
.user-menu a:hover{background:var(--panel);color:var(--text)}
.ann-bar{background:linear-gradient(90deg,rgba(124,156,255,.12),rgba(183,140,255,.12));border-bottom:1px solid var(--panel-border);text-align:center;font-size:13px;color:var(--text-dim);padding:8px 16px}
.ann-tag{display:inline-block;background:var(--grad);color:#fff;font-size:11px;padding:1px 8px;border-radius:999px;margin-right:8px;font-weight:600}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;cursor:pointer;border-radius:12px;font-size:14.5px;font-weight:600;padding:10px 22px;transition:.25s;font-family:inherit}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 6px 24px rgba(124,156,255,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 32px rgba(124,156,255,.5)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:var(--panel);color:var(--text);border:1px solid var(--panel-border)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn-danger{background:rgba(255,90,90,.12);color:#ff7b7b;border:1px solid rgba(255,90,90,.25)}
.btn-sm{padding:7px 16px;font-size:13px;border-radius:10px}
.btn-lg{padding:14px 32px;font-size:16px;border-radius:14px}
.btn-block{width:100%}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:96px 0 72px;text-align:center}
.hero-glow{position:absolute;border-radius:50%;filter:blur(90px);opacity:.35;pointer-events:none}
.hero-glow-1{width:520px;height:520px;background:#3b5bdb;top:-180px;left:-120px;animation:float 9s ease-in-out infinite}
.hero-glow-2{width:460px;height:460px;background:#7048e8;bottom:-200px;right:-100px;animation:float 11s ease-in-out infinite reverse}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-28px)}}
.hero-inner{position:relative}
.hero-badge{display:inline-block;font-size:12.5px;color:var(--accent);border:1px solid rgba(124,156,255,.35);background:rgba(124,156,255,.08);padding:5px 16px;border-radius:999px;margin-bottom:22px;letter-spacing:.5px}
.hero-title{font-size:clamp(30px,5vw,52px);font-weight:800;line-height:1.25;letter-spacing:-.5px;background:linear-gradient(180deg,#fff,#aab4d0);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-sub{max-width:620px;margin:18px auto 32px;color:var(--text-dim);font-size:16.5px}
.hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.hero-stats{display:flex;gap:56px;justify-content:center;margin-top:52px}
.hero-stats div{display:flex;flex-direction:column}
.hero-stats b{font-size:30px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-stats span{font-size:13px;color:var(--text-dim);margin-top:2px}

/* ---------- 作品墙 ---------- */
.gallery-section{padding:64px 0 88px;flex:1}
.gallery-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:28px}
.gallery-head h2{font-size:26px;font-weight:800}
.cat-filter{display:flex;gap:8px;flex-wrap:wrap}
.cat-filter a{font-size:13.5px;padding:6px 16px;border-radius:999px;color:var(--text-dim);background:var(--panel);border:1px solid var(--panel-border);transition:.2s}
.cat-filter a:hover{color:var(--text)}
.cat-filter a.active{background:var(--grad);color:#fff;border-color:transparent}
.masonry{columns:4 280px;column-gap:18px}
.work-card{break-inside:avoid;margin-bottom:18px;background:var(--panel);border:1px solid var(--panel-border);border-radius:var(--radius);overflow:hidden;cursor:zoom-in;transition:.3s}
.work-card:hover{transform:translateY(-4px);border-color:rgba(124,156,255,.4);box-shadow:var(--shadow)}
.work-img-wrap{position:relative;overflow:hidden}
.work-img-wrap img{width:100%;transition:transform .5s}
.work-card:hover .work-img-wrap img{transform:scale(1.05)}
.work-overlay{position:absolute;inset:0;background:linear-gradient(180deg,transparent 30%,rgba(5,7,11,.92));display:flex;flex-direction:column;justify-content:flex-end;padding:16px;opacity:0;transition:.3s}
.work-card:hover .work-overlay{opacity:1}
.work-prompt{font-size:12.5px;color:#d5dae6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:10px}
.work-meta{display:flex;gap:6px;flex-wrap:wrap}
.badge{font-size:11px;padding:2px 10px;border-radius:999px;background:var(--grad);color:#fff;font-weight:600}
.badge-soft{background:rgba(255,255,255,.14)}
.work-card figcaption{display:flex;justify-content:space-between;align-items:center;padding:10px 14px}
.work-author{font-size:12.5px;color:var(--text-dim)}
.work-views{font-size:12px;color:var(--text-dim)}
.empty-state{text-align:center;padding:80px 0;color:var(--text-dim)}
.empty-state p{margin-bottom:18px}

/* ---------- 灯箱 ---------- */
.lightbox{position:fixed;inset:0;z-index:200;background:rgba(5,7,11,.92);backdrop-filter:blur(8px);display:none;align-items:center;justify-content:center;padding:40px}
.lightbox.open{display:flex}
.lightbox img{max-width:92%;max-height:88vh;border-radius:12px;box-shadow:var(--shadow)}
.lightbox-close{position:absolute;top:22px;right:30px;font-size:36px;color:#fff;background:none;border:none;cursor:pointer;line-height:1}

/* ---------- 工作台三栏 ---------- */
.studio-page{padding:24px 0 60px;flex:1}
.studio{display:grid;grid-template-columns:280px minmax(0,1fr) 330px;gap:18px;align-items:start}
.panel{background:var(--panel);border:1px solid var(--panel-border);border-radius:var(--radius);padding:18px;backdrop-filter:blur(10px)}
.panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.panel-head h3{font-size:15px;font-weight:700}
.panel-head .count{font-size:12px;color:var(--text-dim);background:var(--panel);border:1px solid var(--panel-border);padding:1px 10px;border-radius:999px}
.engine-tag{font-size:11px;color:var(--accent);border:1px solid rgba(124,156,255,.3);padding:2px 10px;border-radius:999px;font-family:ui-monospace,monospace}

/* 左栏 */
.cat-list{display:flex;flex-direction:column;gap:6px;margin-bottom:22px}
.cat-item{text-align:left;background:transparent;border:1px solid transparent;color:var(--text-dim);padding:9px 14px;border-radius:10px;cursor:pointer;font-size:14px;font-family:inherit;transition:.2s;display:flex;justify-content:space-between}
.cat-item:hover{background:var(--panel);color:var(--text)}
.cat-item.active{background:rgba(124,156,255,.12);color:var(--accent);border-color:rgba(124,156,255,.3);font-weight:600}
.my-works{display:flex;flex-direction:column;gap:8px;max-height:56vh;overflow-y:auto}
.my-work-item{display:flex;gap:10px;align-items:center;padding:8px;border-radius:12px;cursor:pointer;border:1px solid transparent;transition:.2s}
.my-work-item:hover{background:var(--panel);border-color:var(--panel-border)}
.my-work-item img{width:52px;height:52px;object-fit:cover;border-radius:9px;flex-shrink:0}
.mw-prompt{font-size:12.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:150px}
.mw-meta{font-size:11px;color:var(--text-dim)}
.empty-hint{font-size:13px;color:var(--text-dim);text-align:center;padding:16px 0}

/* 中栏 */
.studio-center{display:flex;flex-direction:column;gap:18px;position:sticky;top:88px}
.prompt-input{width:100%;background:rgba(0,0,0,.28);border:1px solid var(--panel-border);border-radius:14px;color:var(--text);padding:16px;font-size:15px;font-family:inherit;resize:vertical;transition:.2s;line-height:1.6}
.prompt-input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(124,156,255,.15)}
.ratio-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:14px}
.field-label{font-size:13px;color:var(--text-dim);margin-right:4px;flex-shrink:0;min-width:34px}
.chip{background:var(--panel);border:1px solid var(--panel-border);color:var(--text-dim);font-size:13px;padding:6px 14px;border-radius:999px;cursor:pointer;font-family:inherit;transition:.2s}
.chip:hover{color:var(--text);border-color:var(--accent)}
.chip.active{background:var(--grad);color:#fff;border-color:transparent;font-weight:600}
.select{background:rgba(0,0,0,.28);border:1px solid var(--panel-border);color:var(--text);border-radius:10px;padding:8px 12px;font-size:13.5px;font-family:inherit}
.select:focus{outline:none;border-color:var(--accent)}
.switch-wrap{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-dim);cursor:pointer}
.switch-wrap input,.pref-item input[type=checkbox]{display:none}
.switch{display:inline-block;width:38px;height:21px;border-radius:999px;background:#2a3142;position:relative;transition:.25s;flex-shrink:0}
.switch::after{content:'';position:absolute;width:15px;height:15px;border-radius:50%;background:#fff;top:3px;left:3px;transition:.25s}
.switch-wrap input:checked + .switch,.pref-item input:checked + .switch{background:var(--grad)}
.switch-wrap input:checked + .switch::after,.pref-item input:checked + .switch::after{left:20px}
.gen-actions{display:flex;align-items:center;gap:14px;margin-top:22px}
.btn-gen{padding:13px 40px;font-size:15.5px}
.gen-hint{font-size:12.5px;color:var(--text-dim)}
.gen-spinner{width:16px;height:16px;border:2px solid rgba(255,255,255,.35);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;display:inline-block}
.gen-spinner.big{width:34px;height:34px;border-width:3px}
@keyframes spin{to{transform:rotate(360deg)}}
.gen-error{margin-top:14px;font-size:13.5px;color:#ff8585;background:rgba(255,90,90,.1);border:1px solid rgba(255,90,90,.25);padding:10px 14px;border-radius:10px}
.tip-line{font-size:13px;color:var(--text-dim);margin-bottom:8px}
.tip-line b{color:var(--accent);font-weight:600}

/* 右栏 */
.studio-right{position:sticky;top:88px}
.result-area{min-height:260px;border-radius:12px;background:rgba(0,0,0,.22);border:1px dashed var(--panel-border);display:flex;align-items:center;justify-content:center;padding:14px;margin-bottom:20px}
.result-empty{text-align:center;color:var(--text-dim);font-size:13px}
.result-empty-icon{font-size:34px;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:8px}
.result-loaded{width:100%}
.result-loaded img{width:100%;border-radius:10px;animation:fadeIn .5s}
@keyframes fadeIn{from{opacity:0;transform:scale(.97)}to{opacity:1;transform:scale(1)}}
.result-prompt{font-size:12.5px;color:var(--text-dim);margin-top:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.result-meta{font-size:11.5px;color:var(--text-dim);margin-top:4px}
.result-actions{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap}
.result-loading{text-align:center;color:var(--text-dim);font-size:13px}
.result-loading p{margin-top:14px}
.pref-list{display:flex;flex-direction:column;gap:12px}
.pref-item{display:flex;align-items:center;justify-content:space-between;font-size:13.5px;color:var(--text-dim);cursor:pointer}

/* ---------- 登录页 ---------- */
.auth-body{min-height:100vh;align-items:center;justify-content:center;background:radial-gradient(1000px 600px at 70% -10%,rgba(124,156,255,.14),transparent),var(--bg)}
.auth-wrap{width:100%;max-width:400px;padding:40px 20px;display:flex;flex-direction:column;align-items:center}
.auth-logo{font-size:24px;margin-bottom:26px}
.auth-card{width:100%;padding:28px}
.auth-tabs{display:flex;gap:8px;margin-bottom:20px}
.auth-tab{flex:1;background:var(--panel);border:1px solid var(--panel-border);color:var(--text-dim);padding:9px;border-radius:10px;cursor:pointer;font-size:14px;font-family:inherit;transition:.2s}
.auth-tab.active{background:var(--grad);color:#fff;font-weight:600;border-color:transparent}
.auth-form label{display:block;font-size:13px;color:var(--text-dim);margin-bottom:14px}
.input{width:100%;background:rgba(0,0,0,.28);border:1px solid var(--panel-border);border-radius:10px;color:var(--text);padding:11px 14px;font-size:14px;font-family:inherit;transition:.2s;margin-top:6px}
.input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(124,156,255,.13)}
.auth-back{margin-top:18px;font-size:13px;color:var(--text-dim)}
.auth-back a:hover{color:var(--accent)}
.alert{padding:10px 14px;border-radius:10px;font-size:13.5px;margin-bottom:16px}
.alert-error{background:rgba(255,90,90,.1);border:1px solid rgba(255,90,90,.3);color:#ff9090}
.alert-ok{background:rgba(74,222,128,.1);border:1px solid rgba(74,222,128,.3);color:#7ce6a3}

/* ---------- 充值页 ---------- */
.pay-page{padding:64px 0;flex:1}
.pay-head{text-align:center;margin-bottom:40px}
.pay-head h1{font-size:32px;font-weight:800;margin-bottom:10px}
.pay-head p{color:var(--text-dim)}
.pay-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px;max-width:820px;margin:0 auto}
.pay-card{text-align:center}
.pay-type{font-size:17px;font-weight:700;display:flex;align-items:center;justify-content:center;gap:8px;margin-bottom:6px}
.pay-type.wechat{color:#5ee08a}
.pay-type.alipay{color:#6db4ff}
.pay-sub{font-size:13px;color:var(--text-dim);margin-bottom:16px}
.pay-qr img{max-width:220px;margin:0 auto;border-radius:12px;border:6px solid #fff}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--panel-border);background:var(--bg2);margin-top:auto}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:32px;padding:44px 24px 28px}
.footer-logo{font-size:18px;margin-bottom:10px}
.footer-desc{font-size:13.5px;color:var(--text-dim);max-width:320px}
.site-footer h4{font-size:14px;margin-bottom:12px}
.site-footer p{font-size:13.5px;color:var(--text-dim);margin-bottom:6px}
.site-footer a:hover{color:var(--accent)}
.footer-bottom{border-top:1px solid var(--panel-border);padding:18px 24px;text-align:center}
.footer-bottom p{font-size:12.5px}
.beian{margin-top:4px}

@media (max-width:1080px){
  .studio{grid-template-columns:1fr}
  .studio-center,.studio-right{position:static}
  .masonry{columns:3 220px}
}
@media (max-width:640px){
  .masonry{columns:2 150px}
  .header-inner{gap:12px}
  .main-nav a{padding:8px 10px;font-size:13px}
  .hero-stats{gap:30px}
  .footer-grid{grid-template-columns:1fr}
}


/* ══════════════ 首页 V2 · 2026 视觉重设计 ══════════════ */
/* ---------- Hero ---------- */
.hero2{position:relative;overflow:hidden;padding:84px 0 64px}
.hero2-gridbg{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(ellipse 90% 80% at 50% 20%,#000 30%,transparent 75%);-webkit-mask-image:radial-gradient(ellipse 90% 80% at 50% 20%,#000 30%,transparent 75%)}
.hero2-noise{position:absolute;inset:0;opacity:.5;pointer-events:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0.035 0'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)'/%3E%3C/svg%3E")}
.hero2-glow{position:absolute;border-radius:50%;filter:blur(100px);pointer-events:none}
.hero2-glow-a{width:560px;height:560px;background:rgba(59,91,219,.32);top:-200px;right:-80px}
.hero2-glow-b{width:420px;height:420px;background:rgba(112,72,232,.24);bottom:-160px;left:-100px}
.hero2-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero2-title{font-size:clamp(30px,4.4vw,50px);font-weight:900;line-height:1.22;letter-spacing:-1px;background:linear-gradient(180deg,#fff 55%,#9aa6c6);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero2-sub{color:var(--text-dim);font-size:16px;margin:18px 0 26px;max-width:480px}
.hero-prompt-bar{display:flex;align-items:center;gap:12px;background:rgba(255,255,255,.05);border:1px solid var(--panel-border);border-radius:14px;padding:13px 8px 13px 18px;cursor:pointer;transition:.25s;backdrop-filter:blur(8px);max-width:520px;color:var(--text-dim);font-size:13.5px}
.hero-prompt-bar:hover{border-color:rgba(124,156,255,.5);box-shadow:0 8px 32px rgba(124,156,255,.18);transform:translateY(-2px)}
.hero-prompt-bar svg{color:var(--accent);flex-shrink:0}
.hero-prompt-bar span{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hero-prompt-bar b{background:var(--grad);color:#fff;font-size:13px;padding:8px 18px;border-radius:10px;font-weight:600;flex-shrink:0}
.hero2-stats{display:flex;align-items:center;gap:22px;margin-top:30px}
.hero2-stats>div{display:flex;flex-direction:column}
.hero2-stats b{font-size:24px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero2-stats span{font-size:12.5px;color:var(--text-dim)}
.hero2-stats-div{width:1px;height:30px;background:var(--panel-border)}

/* Hero 右侧浮动拼贴 */
.hero2-right{position:relative;height:440px}
.hc-card{position:absolute;border-radius:18px;overflow:hidden;border:1px solid var(--panel-border);box-shadow:0 24px 60px rgba(0,0,0,.55);animation:hcFloat 7s ease-in-out infinite}
.hc-card img{width:100%;height:100%;object-fit:cover}
.hc-tag{position:absolute;left:10px;bottom:10px;font-size:11px;background:rgba(8,10,15,.72);backdrop-filter:blur(6px);padding:3px 10px;border-radius:999px;border:1px solid var(--panel-border)}
.hc-card-1{width:62%;height:300px;top:0;left:6%;z-index:2;--r:-3deg}
.hc-card-2{width:48%;height:210px;bottom:8%;right:2%;z-index:3;animation-delay:1.4s;--r:3deg}
.hc-card-3{width:40%;height:170px;top:14%;right:0;z-index:1;animation-delay:2.6s;--r:5deg;opacity:.92}
.hc-card{transform:rotate(var(--r))}
@keyframes hcFloat{0%,100%{transform:rotate(var(--r)) translateY(0)}50%{transform:rotate(var(--r)) translateY(-14px)}}
.hc-empty{display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1a2030,#12151f)}
.hc-empty span{font-size:40px;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hc-float-tag{position:absolute;bottom:0;left:8%;z-index:4;font-size:12px;color:var(--text-dim);background:rgba(255,255,255,.05);border:1px solid var(--panel-border);padding:8px 16px;border-radius:999px;backdrop-filter:blur(8px)}

/* ---------- 跑马灯 ---------- */
.marquee-sec{padding:6px 0 26px;overflow:hidden}
.marquee{overflow:hidden;mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.marquee-track{display:flex;gap:14px;width:max-content;animation:marquee 46s linear infinite;padding:10px 0}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee-item{width:210px;height:132px;object-fit:cover;border-radius:14px;border:1px solid var(--panel-border);transition:.3s;flex-shrink:0}
.marquee-item:hover{transform:scale(1.06);border-color:rgba(124,156,255,.5)}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ---------- 分区头 ---------- */
.sec-head{margin-bottom:34px}
.sec-head-l{display:flex;align-items:baseline;gap:14px}
.sec-num{font-size:13px;font-weight:700;color:var(--accent);letter-spacing:2px;font-family:ui-monospace,monospace}
.sec-head h2{font-size:clamp(24px,3vw,34px);font-weight:800;letter-spacing:-.5px;display:inline-block}
.sec-sub{color:var(--text-dim);font-size:14px;margin-top:8px}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap}

/* ---------- Bento 能力网格 ---------- */
.cap-sec{padding:70px 0}
.bento{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.bento-card{position:relative;background:var(--panel);border:1px solid var(--panel-border);border-radius:18px;padding:26px 22px;overflow:hidden;transition:.3s}
.bento-card::before{content:'';position:absolute;inset:0;background:radial-gradient(320px 200px at var(--mx,50%) var(--my,0%),rgba(124,156,255,.12),transparent 70%);opacity:0;transition:.3s}
.bento-card:hover::before{opacity:1}
.bento-card:hover{transform:translateY(-5px);border-color:rgba(124,156,255,.35);box-shadow:var(--shadow)}
.bento-icon{width:44px;height:44px;border-radius:12px;background:var(--grad);display:flex;align-items:center;justify-content:center;color:#fff;margin-bottom:18px;box-shadow:0 8px 20px rgba(124,156,255,.35)}
.bento-card h3{font-size:16.5px;font-weight:700;margin-bottom:8px}
.bento-card p{font-size:13px;color:var(--text-dim);line-height:1.7}

/* ---------- 作品卡片 V2 ---------- */
.gallery2{padding:56px 0 84px}
.masonry{columns:4 280px;column-gap:18px}
.g-card{break-inside:avoid;margin-bottom:18px;background:var(--panel);border:1px solid var(--panel-border);border-radius:18px;overflow:hidden;cursor:zoom-in;transition:border-color .3s, box-shadow .3s;transform:perspective(900px) rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg));will-change:transform}
.g-card:hover{border-color:rgba(124,156,255,.45);box-shadow:0 22px 50px rgba(0,0,0,.55)}
.g-imgwrap{position:relative;overflow:hidden}
.g-imgwrap img{width:100%;display:block;transition:transform .6s cubic-bezier(.2,.7,.3,1)}
.g-card:hover .g-imgwrap img{transform:scale(1.06)}
.g-overlay{position:absolute;inset:0;background:linear-gradient(180deg,transparent 35%,rgba(5,7,11,.94));display:flex;flex-direction:column;justify-content:flex-end;padding:16px;opacity:0;transition:.3s}
.g-card:hover .g-overlay{opacity:1}
.g-prompt{font-size:12.5px;color:#dbe1ee;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:10px;line-height:1.55}
.g-tags{display:flex;gap:6px;align-items:center}
.g-badge{font-size:11px;padding:3px 11px;border-radius:999px;background:var(--grad);color:#fff;font-weight:600}
.g-size{font-size:11px;color:#c6cddd;background:rgba(255,255,255,.14);padding:3px 10px;border-radius:999px}
.g-card figcaption{display:flex;justify-content:space-between;align-items:center;padding:11px 15px}
.g-author{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--text-dim)}
.g-avatar{width:22px;height:22px;border-radius:50%;background:var(--grad);color:#fff;font-size:11px;font-weight:700;font-style:normal;display:inline-flex;align-items:center;justify-content:center}
.g-views{font-size:12px;color:var(--text-dim)}

/* ---------- CTA ---------- */
.cta-sec{padding:20px 0 90px}
.cta-panel{position:relative;overflow:hidden;text-align:center;background:linear-gradient(#12151f,#12151f) padding-box,var(--grad) border-box;border:1.5px solid transparent;border-radius:26px;padding:70px 30px}
.cta-glow{position:absolute;width:640px;height:340px;background:rgba(124,156,255,.22);border-radius:50%;filter:blur(110px);top:-180px;left:50%;transform:translateX(-50%);pointer-events:none}
.cta-panel h2{position:relative;font-size:clamp(24px,3.4vw,38px);font-weight:900;letter-spacing:-.5px;margin-bottom:12px}
.cta-panel p{position:relative;color:var(--text-dim);font-size:14.5px;margin-bottom:28px}
.cta-actions{position:relative;display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn-light{background:#fff;color:#141821}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(255,255,255,.22)}

@media (max-width:1080px){
  .hero2-inner{grid-template-columns:1fr}
  .hero2-right{height:360px;max-width:560px}
  .bento{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .hero2{padding:56px 0 40px}
  .hero2-right{height:300px}
  .bento{grid-template-columns:1fr}
  .cta-panel{padding:52px 20px}
}


/* ══════════════ 主题系统 · 黑白极简 + 昼夜切换 ══════════════ */
html[data-theme="dark"]{
  --bg:#0a0a0b; --bg2:#101012;
  --panel:rgba(255,255,255,.04); --panel-border:rgba(255,255,255,.09);
  --text:#f2f2f3; --text-dim:#909096;
  --accent:#fff; --accent2:#d9d9de;
  --grad:linear-gradient(120deg,#ffffff,#c9c9cf);
  --header-bg:rgba(10,10,11,.78);
  --glow1:rgba(255,255,255,.09); --glow2:rgba(255,255,255,.05);
  --shadow:0 12px 40px rgba(0,0,0,.5);
}
html[data-theme="light"]{
  --bg:#f7f7f5; --bg2:#ffffff;
  --panel:rgba(0,0,0,.035); --panel-border:rgba(0,0,0,.1);
  --text:#141416; --text-dim:#6f6f75;
  --accent:#0a0a0b; --accent2:#333338;
  --grad:linear-gradient(120deg,#111114,#45454d);
  --header-bg:rgba(247,247,245,.82);
  --glow1:rgba(0,0,0,.055); --glow2:rgba(0,0,0,.035);
  --shadow:0 12px 40px rgba(0,0,0,.12);
}
::selection{background:rgba(140,140,140,.35)}

/* 渐变元素上的文字跟随背景色，保证黑白对比 */
.btn-primary,.chip.active,.g-badge,.badge,.hero-prompt-bar b,.bento-icon,.ann-tag{color:var(--bg)}

/* 头部 / Hero 细节换肤 */
.site-header{background:var(--header-bg)}
.hero2-glow-a{background:var(--glow1)}
.hero2-glow-b{background:var(--glow2)}
.hero2-title{background:linear-gradient(180deg,var(--text) 55%,var(--text-dim));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.auth-body{background:radial-gradient(1000px 600px at 70% -10%,var(--glow1),transparent),var(--bg)}

/* CTA 面板换肤 */
.cta-panel{background:var(--panel);border:1px solid var(--panel-border)}
.cta-glow{background:var(--glow1)}
.btn-light{background:var(--text);color:var(--bg)}
.btn-light:hover{box-shadow:0 12px 30px rgba(0,0,0,.25)}

/* 跑马灯描边 / 空卡片随主题 */
.hc-empty{background:linear-gradient(135deg,var(--panel),transparent)}
.marquee-item{border-color:var(--panel-border)}

/* 主题切换按钮 */
.theme-toggle{width:37px;height:37px;border-radius:11px;background:var(--panel);border:1px solid var(--panel-border);cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--text-dim);transition:.2s;padding:0;flex-shrink:0}
.theme-toggle:hover{color:var(--text);border-color:var(--text-dim)}
.theme-toggle svg{width:17px;height:17px}
.theme-toggle .ic-sun{display:none}
html[data-theme="light"] .theme-toggle .ic-sun{display:block}
html[data-theme="light"] .theme-toggle .ic-moon{display:none}


/* ═══ 修复：暗色模式下渐变底白字不可见 ═══ */
.cat-filter a.active{color:var(--bg)}
.g-avatar,.user-chip .avatar{color:var(--bg)}
#masonry{transition:opacity .25s}


/* ═══ 修复：用户菜单悬停断开 + 头像主题色 ═══ */
/* 用透明桥梁补上空隙，鼠标从按钮滑到菜单不断触 */
.user-chip::after{content:'';position:absolute;left:0;right:0;top:100%;height:12px}
/* 头像字母色明确跟随主题 */
.user-chip .avatar{color:#0a0a0b}
html[data-theme="light"] .user-chip .avatar{color:#f7f7f5}
.g-author .g-avatar{color:#0a0a0b}
html[data-theme="light"] .g-author .g-avatar{color:#f7f7f5}
/* 菜单背景随主题 */
.user-menu{background:var(--bg2);border:1px solid var(--panel-border);box-shadow:var(--shadow)}


/* ═══ 灯箱弹窗：说明文字 + 布局 ═══ */
.lightbox{flex-direction:column;gap:14px}
.lightbox img{max-height:76vh}
.lb-cap{max-width:90%;font-size:13px;color:#aab1c5;text-align:center;line-height:1.6;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);padding:9px 18px;border-radius:12px}
.lb-cap:empty{display:none}


/* ══════════════ 视频功能样式 ══════════════ */
/* 模式切换 Tab / 列表 Tab */
.mode-tabs{display:flex;gap:6px}
.mode-tab{background:var(--panel);border:1px solid var(--panel-border);color:var(--text-dim);font-size:13.5px;padding:8px 18px;border-radius:10px;cursor:pointer;font-family:inherit;transition:.2s}
.mode-tab:hover{color:var(--text)}
.mode-tab.active{background:var(--grad);color:var(--bg);border-color:transparent;font-weight:700}
.list-tabs{display:flex;gap:4px}
.ltab{background:transparent;border:1px solid var(--panel-border);color:var(--text-dim);font-size:12px;padding:4px 12px;border-radius:999px;cursor:pointer;font-family:inherit;transition:.2s}
.ltab.active{background:var(--grad);color:var(--bg);border-color:transparent;font-weight:600}
.select-grow{flex:1;min-width:0}
#vRefImages{min-height:110px}
#vRefImages option{padding:6px 8px;border-radius:6px}

/* 我的视频条目 */
.mw-vthumb{width:52px;height:52px;border-radius:9px;background:var(--panel);border:1px solid var(--panel-border);display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}
.v-status{font-size:10.5px;padding:1px 8px;border-radius:999px;margin-left:4px;white-space:nowrap}
.st-ok{background:rgba(74,222,128,.12);color:var(--green,#4ade80);border:1px solid rgba(74,222,128,.3)}
.st-pending{background:rgba(124,156,255,.12);color:#8fa8ff;border:1px solid rgba(124,156,255,.3)}
.st-failed{background:rgba(255,90,90,.12);color:#ff8585;border:1px solid rgba(255,90,90,.3)}

/* 首页视频展区 */
.video-sec{padding:56px 0 20px}
.v-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.v-card{background:var(--panel);border:1px solid var(--panel-border);border-radius:18px;overflow:hidden;cursor:pointer;transition:.3s}
.v-card:hover{transform:translateY(-4px);border-color:rgba(124,156,255,.45);box-shadow:var(--shadow)}
.v-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:#000}
.v-cover video{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.v-card:hover .v-cover video{transform:scale(1.06)}
.v-play{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:48px;height:48px;border-radius:50%;background:rgba(8,9,12,.62);backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.25);color:#fff;display:flex;align-items:center;justify-content:center;transition:.25s}
.v-card:hover .v-play{background:var(--accent);color:var(--bg);transform:translate(-50%,-50%) scale(1.08)}
.v-dur{position:absolute;right:10px;bottom:10px;font-size:11px;background:rgba(8,9,12,.72);backdrop-filter:blur(6px);padding:2px 10px;border-radius:999px;border:1px solid rgba(255,255,255,.15)}
.v-card figcaption{display:flex;justify-content:space-between;align-items:center;padding:11px 15px}
.v-mode{font-size:11px;color:var(--text-dim);border:1px solid var(--panel-border);padding:2px 10px;border-radius:999px}
@media (max-width:1080px){.v-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.v-grid{grid-template-columns:1fr}}

/* 右栏视频 */
#resultVideo{width:100%;border-radius:10px;background:#000;animation:fadeIn .5s}

.mode-tab svg{vertical-align:-2px;margin-right:2px}
.mw-vthumb svg{color:var(--text-dim)}


/* ══════════════ 纯黑白基底 + 板块黑白间隔 ══════════════ */
html[data-theme="dark"]{
  --bg:#000000; --bg2:#000000;
  --panel:#000000; --panel-border:rgba(255,255,255,.22);
  --text:#ffffff; --text-dim:#96969b;
  --grad:linear-gradient(120deg,#ffffff,#dcdce0);
  --header-bg:rgba(0,0,0,.82);
  --glow1:rgba(255,255,255,.12); --glow2:rgba(255,255,255,.06);
  --input-bg:#000000;
  --shadow:0 12px 40px rgba(0,0,0,.65);
  /* 白底黑字色带 */
  --band-bg:#f5f5f3; --band-text:#0a0a0b; --band-dim:#5f5f64;
  --band-border:rgba(0,0,0,.16); --band-glow:rgba(0,0,0,.06);
}
html[data-theme="light"]{
  --bg:#ffffff; --bg2:#ffffff;
  --panel:#ffffff; --panel-border:rgba(0,0,0,.2);
  --text:#0a0a0b; --text-dim:#636368;
  --grad:linear-gradient(120deg,#0a0a0b,#3d3d44);
  --header-bg:rgba(255,255,255,.86);
  --glow1:rgba(0,0,0,.05); --glow2:rgba(0,0,0,.03);
  --input-bg:#ffffff;
  --shadow:0 12px 40px rgba(0,0,0,.15);
  /* 黑底白字色带 */
  --band-bg:#0b0b0c; --band-text:#f4f4f2; --band-dim:#9a9a9e;
  --band-border:rgba(255,255,255,.2); --band-glow:rgba(255,255,255,.1);
}

/* 输入框/下拉：纯色底 + 描边，不要灰 */
.prompt-input,.input,.select{background:var(--input-bg)!important;border-color:var(--panel-border)}
.prompt-input:focus,.input:focus,.select:focus{border-color:var(--text-dim)}

/* 头部导航选中态：描边区分（底色与头部一致） */
.main-nav a.active{border:1px solid var(--panel-border);background:transparent}
.main-nav a{border:1px solid transparent}
.main-nav a:hover{border-color:var(--panel-border)}

/* 公告条去掉蓝色倾向 */
.ann-bar{background:rgba(127,127,127,.09)}
.hero-badge{border-color:var(--panel-border)}

/* Hero 网格背景中性色 */
.hero2-gridbg{background-image:linear-gradient(rgba(127,127,127,.16) 1px,transparent 1px),linear-gradient(90deg,rgba(127,127,127,.16) 1px,transparent 1px)}

/* ═══ 黑白色带：.band 黑底白字 / 白底黑字，随主题反转 ═══ */
.band{background:var(--band-bg);color:var(--band-text);padding-top:72px;padding-bottom:72px}
.band .sec-head h2{color:var(--band-text)}
.band .sec-num{color:var(--band-dim)}
.band .sec-sub{color:var(--band-dim)}
/* bento 卡片：透明底 + 主题描边 */
.band .bento-card{background:transparent;border-color:var(--band-border)}
.band .bento-card h3{color:var(--band-text)}
.band .bento-card p{color:var(--band-dim)}
.band .bento-card::before{background:radial-gradient(320px 200px at var(--mx,50%) var(--my,0%),var(--band-glow),transparent 70%)}
.band .bento-icon{background:var(--band-text);color:var(--band-bg)}
/* 视频卡片在色带内 */
.band .v-card{background:transparent;border-color:var(--band-border)}
.band .v-mode{color:var(--band-dim);border-color:var(--band-border)}
.band .g-author{color:var(--band-dim)}
.band .g-avatar{background:var(--band-text);color:var(--band-bg)}
.band .v-card figcaption{border-top:1px solid var(--band-border)}
.band .v-play{border-color:rgba(127,127,127,.4)}

/* 作品墙/卡片线框感加强 */
.masonry{column-gap:20px}
.g-card{border-width:1.5px}
.g-card figcaption{border-top:1px solid var(--panel-border)}

/* 跑马灯 */
.marquee-item{border-color:var(--panel-border)}

/* 工作台：面板之间留白区分（纯黑底白边） */
.panel{border-width:1.5px}
@media (max-width:640px){.band{padding-top:52px;padding-bottom:52px}}


/* ═══ Logo：色块 M + 品牌文字 ═══ */
.logo{display:flex;align-items:center;gap:0}
.logo-mark{width:30px;height:30px;border-radius:8px;background:var(--text);color:var(--bg);display:inline-flex;align-items:center;justify-content:center;font-size:16px;font-weight:800;line-height:1;flex-shrink:0;margin-right:9px;-webkit-text-fill-color:currentColor;font-style:normal}
.logo-mark-lg{width:38px;height:38px;border-radius:11px;font-size:21px}
.footer-logo .logo-mark{width:34px;height:34px;border-radius:9px;font-size:18px}
.logo-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}


/* ═══ CTA 区块：黑色渐变 ═══ */
.cta-panel{background:linear-gradient(135deg,#050506 0%,#1c1c21 55%,#050506 100%);border:1px solid rgba(255,255,255,.14)}
.cta-panel h2{color:#fff}
.cta-panel p{color:#a9a9b1}
.cta-panel .btn-light{background:#fff;color:#0a0a0b}
.cta-panel .btn-light:hover{box-shadow:0 12px 30px rgba(255,255,255,.25)}
.cta-panel .btn-ghost{background:transparent;border-color:rgba(255,255,255,.4);color:#fff}
.cta-panel .btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.cta-glow{background:rgba(255,255,255,.14)}


/* ═══ CTA：黑色渐变面板（两种主题下统一黑） ═══ */
.cta-panel{background:linear-gradient(135deg,#0a0a0b 0%,#1e1e23 55%,#0a0a0b 100%);border:1px solid rgba(255,255,255,.12);color:#fff}
.cta-panel h2{color:#fff}
.cta-panel p{color:#9a9a9f}
.cta-glow{background:rgba(255,255,255,.14)}
.cta-panel .btn-light{background:#fff;color:#0a0a0b}
.cta-panel .btn-light:hover{box-shadow:0 12px 30px rgba(255,255,255,.18)}
.cta-panel .btn-ghost{background:transparent;border-color:rgba(255,255,255,.35);color:#fff}
.cta-panel .btn-ghost:hover{border-color:#fff;color:#fff}


/* ═══ 色带微调：轻微色差 + 卡片四色 ═══ */
html[data-theme="dark"]{
  --band-bg:#121214;
  --band-card-bg:#1b1b1f;
  --band-border:rgba(255,255,255,.13);
}
html[data-theme="light"]{
  --band-bg:#f2f2ef;
  --band-card-bg:#ffffff;
  --band-border:rgba(0,0,0,.12);
}
/* 卡片底色与色带轻微区分 */
.band .bento-card{background:var(--band-card-bg);border-color:var(--band-border)}
.band .v-card{background:var(--band-card-bg);border-color:var(--band-border)}

/* 每张卡片独立点缀色 */
.band .bento-card:nth-child(1){--c:#5b8cff}
.band .bento-card:nth-child(2){--c:#9b6bff}
.band .bento-card:nth-child(3){--c:#2fbf9a}
.band .bento-card:nth-child(4){--c:#f2a03d}
.band .bento-icon{background:var(--c);color:#fff;box-shadow:0 8px 22px rgba(0,0,0,.28)}
.band .bento-card:hover{border-color:var(--c)}
.band .bento-card::before{background:radial-gradient(320px 200px at var(--mx,50%) var(--my,0%),color-mix(in srgb,var(--c) 15%,transparent),transparent 70%)}


/* ═══ 修复：色带文字色随色带深浅反转 ═══ */
html[data-theme="dark"]{
  --band-text:#f2f2f0; --band-dim:#9a9a9e;
}
html[data-theme="light"]{
  --band-text:#141416; --band-dim:#636368;
}


/* ═══ 工作台额度盒 ═══ */
.quota-box{margin-bottom:20px;padding:13px 16px;border:1.5px solid var(--panel-border);border-radius:12px;font-size:13px;display:flex;flex-direction:column;gap:5px}
.quota-box b{font-size:15px}
.quota-unl{font-weight:800;font-size:14px}
.quota-dim{color:var(--text-dim);font-size:12px}
.quota-link{color:var(--text-dim);font-size:12px;text-decoration:underline}
.quota-link:hover{color:var(--text)}


/* ═══ 充值页 ═══ */
.pay-quota{max-width:560px;margin:0 auto 26px;text-align:center}
.pkg-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;max-width:900px;margin:0 auto 40px}
.pkg-card{text-align:center;padding:28px 20px;border-width:1.5px}
.pkg-card h3{font-size:16px;font-weight:700;margin-bottom:10px}
.pkg-amount{font-size:34px;font-weight:900;margin-bottom:6px}
.pkg-desc{font-size:13px;color:var(--text-dim);margin-bottom:18px}
.pkg-btns{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.pay-result{max-width:560px;margin:0 auto 30px;text-align:center;padding:14px;border:1.5px dashed var(--panel-border);border-radius:12px;font-size:14px}
.pay-qr-sec{margin-top:20px}
.pay-qr-sec h3{text-align:center;font-size:17px;margin-bottom:20px}
.wx-modal{position:fixed;inset:0;z-index:300;background:rgba(0,0,0,.6);display:flex;align-items:center;justify-content:center;padding:20px}
.wx-modal-box{background:var(--bg);border:1.5px solid var(--panel-border);border-radius:18px;padding:28px;text-align:center;max-width:320px}
.wx-modal-box h3{margin-bottom:16px}
.wx-modal-box img{margin:0 auto 14px;border-radius:12px;border:1px solid var(--panel-border)}
.wx-tip{font-size:13px;color:var(--text-dim);margin-bottom:16px}


/* ═══ 违规弹窗 ═══ */
.modal-mask{position:fixed;inset:0;z-index:400;background:rgba(0,0,0,.55);display:flex;align-items:center;justify-content:center;padding:20px;animation:fadeIn .2s}
.modal-box{background:var(--bg);border:1.5px solid var(--panel-border);border-radius:18px;padding:34px 30px 26px;text-align:center;max-width:360px;box-shadow:var(--shadow);animation:fadeIn .25s}
.modal-icon{width:52px;height:52px;border-radius:50%;background:rgba(255,80,80,.12);color:#ff6060;display:flex;align-items:center;justify-content:center;margin:0 auto 16px}
.modal-box h3{font-size:17px;margin-bottom:10px}
.modal-box p{font-size:13.5px;color:var(--text-dim);margin-bottom:22px;line-height:1.7}

/* ═══ 页脚 4 栏 ═══ */
.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px}
.footer-brand .footer-logo{margin-bottom:12px}
.footer-slogan{font-weight:700;color:var(--text);font-size:15px;margin-bottom:8px}
.footer-desc{font-size:13px;color:var(--text-dim);max-width:300px;margin-bottom:14px}
.footer-chips{display:flex;gap:8px;flex-wrap:wrap}
.f-chip{font-size:11px;font-family:ui-monospace,monospace;color:var(--text-dim);border:1px solid var(--panel-border);padding:3px 10px;border-radius:999px}
.footer-col h4{font-size:14px;margin-bottom:14px}
.footer-col a{display:block;font-size:13.5px;color:var(--text-dim);margin-bottom:9px;transition:.2s}
.footer-col a:hover{color:var(--text);transform:translateX(3px)}
.footer-col p{font-size:13.5px;color:var(--text-dim);margin-bottom:9px}
.footer-tip{font-size:12px;color:var(--text-dim);opacity:.8}
.footer-powered{opacity:.7}
@media (max-width:860px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.footer-grid{grid-template-columns:1fr}}


/* ═══ 定价页 ═══ */
.pricing-page{padding:64px 0 90px}
.pricing-cols{display:grid;grid-template-columns:1fr 1fr;gap:18px;max-width:860px;margin:0 auto 22px}
.pricing-card{padding:26px}
.pricing-card h3{font-size:17px;margin-bottom:16px}
.price-table{width:100%;border-collapse:collapse}
.price-table th{text-align:left;font-size:12.5px;color:var(--text-dim);padding:7px 10px;border-bottom:1px solid var(--panel-border)}
.price-table td{padding:9px 10px;font-size:14px;border-bottom:1px solid var(--panel-border)}
.price-table tr:last-child td{border-bottom:none}
.price-note{font-size:12.5px;color:var(--text-dim);margin-top:12px}
.pricing-point{display:flex;gap:0;max-width:860px;margin:0 auto 44px;padding:0;overflow:hidden}
.pricing-point>div{flex:1;text-align:center;padding:20px 10px;border-right:1px solid var(--panel-border)}
.pricing-point>div:last-child{border-right:none}
.pricing-point b{display:block;font-size:16px;margin-bottom:4px}
.pricing-point span{font-size:12.5px;color:var(--text-dim)}
.pricing-sub{text-align:center;font-size:24px;margin-bottom:24px}
.pricing-faq-link{text-align:center;font-size:13.5px;color:var(--text-dim);margin-top:34px}
.pricing-faq-link a{text-decoration:underline;margin:0 4px}
.pricing-faq-link a:hover{color:var(--text)}
@media (max-width:760px){.pricing-cols{grid-template-columns:1fr}.pricing-point{flex-direction:column}.pricing-point>div{border-right:none;border-bottom:1px solid var(--panel-border)}}

/* ═══ 首页 FAQ ═══ */
.faq-sec{padding-top:64px;padding-bottom:64px}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.faq-card{background:var(--band-card-bg);border:1px solid var(--band-border);border-radius:16px;padding:22px 24px;transition:.25s}
.faq-card:hover{transform:translateY(-3px);border-color:var(--band-text)}
.faq-card h3{font-size:15px;font-weight:700;margin-bottom:10px;color:var(--band-text)}
.faq-card h3::before{content:'Q';display:inline-flex;width:22px;height:22px;border-radius:7px;background:var(--band-text);color:var(--band-bg);align-items:center;justify-content:center;font-size:12px;margin-right:9px;vertical-align:1px}
.faq-card p{font-size:13.5px;color:var(--band-dim);line-height:1.8}
@media (max-width:760px){.faq-grid{grid-template-columns:1fr}}

/* ═══ 文档页（指南/条款/隐私） ═══ */
.doc-page{padding:56px 0 90px}
.doc-wrap{max-width:820px}
.doc-article{padding:44px 48px}
.doc-article h1{font-size:28px;font-weight:800;margin-bottom:26px;padding-bottom:18px;border-bottom:1.5px solid var(--panel-border)}
.doc-body{font-size:14.5px;line-height:2;color:var(--text)}
.doc-updated{margin-top:34px;font-size:12px;color:var(--text-dim)}
@media (max-width:640px){.doc-article{padding:28px 22px}}


/* ═══ 页脚 5 栏 ═══ */
.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr 1.2fr}
@media (max-width:960px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.footer-grid{grid-template-columns:1fr}}


/* ═══ FAQ 居中手风琴 ═══ */
.faq-sec .sec-head-center{text-align:center}
.faq-sec .sec-head-center .sec-num{display:block;margin-bottom:8px}
.faq-sec .sec-head-center .sec-sub{margin-top:10px}
.faq-list{max-width:720px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--band-card-bg);border:1px solid var(--band-border);border-radius:14px;overflow:hidden;transition:border-color .25s}
.faq-item.open{border-color:var(--band-text)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;background:none;border:none;cursor:pointer;padding:18px 22px;font-size:15px;font-weight:600;color:var(--band-text);font-family:inherit;text-align:left}
.faq-q span{flex:1}
.faq-icon{position:relative;width:18px;height:18px;flex-shrink:0}
.faq-icon::before,.faq-icon::after{content:'';position:absolute;background:var(--band-dim);transition:.25s}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px}
.faq-item.open .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-item.open .faq-icon::before{background:var(--band-text)}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s ease}
.faq-item.open .faq-a{grid-template-rows:1fr}
.faq-a-inner{overflow:hidden;min-height:0}
.faq-a-inner{padding:0 22px;color:var(--band-dim);font-size:13.5px;line-height:1.9}
.faq-item.open .faq-a-inner{padding-bottom:20px}


/* ═══ FAQ 手风琴：max-height 丝滑动画（覆盖旧 grid 方案） ═══ */
.faq-a{display:block;max-height:0;overflow:hidden;transition:max-height .35s cubic-bezier(.4,0,.2,1)}
.faq-a-inner{padding:0 22px;transition:padding .35s cubic-bezier(.4,0,.2,1)}
.faq-item.open .faq-a-inner{padding-bottom:20px}
.faq-item.open .faq-q{padding-bottom:10px}
.faq-q{transition:padding .3s}