/* ==========================================================================
   CST Color · cstcolor.cn  —  设计系统
   ========================================================================== */
:root{
  --bg:#090a0f;
  --bg-2:#0d0f17;
  --card:#14161f;
  --card-2:#1a1d28;
  --line:rgba(255,255,255,.075);
  --line-strong:rgba(255,255,255,.14);
  --text:#eef0f7;
  --dim:#989fb3;
  --muted:#6a7186;
  --y:#ffd12e;
  --y-deep:#ff9f1c;
  --v:#7b61ff;
  --t:#00d6b4;
  --r:#ff5d5d;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 18px 50px rgba(0,0,0,.5);
  --shadow-sm:0 6px 20px rgba(0,0,0,.35);
  --max:1200px;
  --header-h:64px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;color-scheme:dark}
body{
  font-family:"Inter","SF Pro Text",system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--bg);color:var(--text);line-height:1.65;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
button{cursor:pointer;border:none;background:none;color:inherit}
img{max-width:100%;display:block}
::selection{background:rgba(255,209,46,.28)}
:focus-visible{outline:2px solid var(--y);outline-offset:2px;border-radius:6px}
.mono{font-family:ui-monospace,"SF Mono",Menlo,Consolas,monospace;font-variant-numeric:tabular-nums}

.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;height:var(--header-h);
  background:rgba(9,10,15,.78);backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid var(--line);
}
.site-header .wrap{height:100%;display:flex;align-items:center;gap:28px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:-.2px;flex-shrink:0}
.logo-mark{width:26px;height:26px;border-radius:7px;display:block;flex-shrink:0;object-fit:cover}
.logo small{font-size:10px;font-weight:600;color:var(--muted);letter-spacing:1.4px;display:block;line-height:1;margin-top:2px}
.nav{display:flex;gap:4px;margin-left:auto}
.nav a{
  padding:7px 13px;border-radius:9px;font-size:14px;color:var(--dim);
  transition:color .18s,background .18s;white-space:nowrap;
}
.nav a:hover{color:var(--text);background:rgba(255,255,255,.045)}
.nav a.active{color:var(--text);background:rgba(255,255,255,.07)}
.header-cta{display:flex;align-items:center;gap:10px;margin-left:6px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:700;font-size:14.5px;padding:11px 22px;
  transition:transform .16s,box-shadow .16s,background .16s,border-color .16s;
  white-space:nowrap;border:1px solid transparent;
}
.btn svg{width:17px;height:17px;flex-shrink:0}
.btn-primary{
  background:linear-gradient(135deg,var(--y),var(--y-deep));
  color:#1a1300;box-shadow:0 6px 22px rgba(255,178,0,.28);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(255,178,0,.36)}
.btn-ghost{border-color:var(--line-strong);color:var(--text);background:rgba(255,255,255,.02)}
.btn-ghost:hover{background:rgba(255,255,255,.06);transform:translateY(-2px)}
.btn-sm{padding:8px 15px;font-size:13px;border-radius:10px}
.btn-block{width:100%}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:84px 0 96px;
  background:
    radial-gradient(760px 420px at 12% 8%,rgba(123,97,255,.20),transparent 62%),
    radial-gradient(720px 420px at 88% 12%,rgba(0,214,180,.14),transparent 62%),
    radial-gradient(680px 460px at 50% 96%,rgba(255,209,46,.10),transparent 66%);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='40' height='40'%3E%3Cpath d='M0 0h1v1H0z' fill='rgba(255,255,255,0.035)'/%3E%3C/svg%3E");
  mask-image:radial-gradient(circle at 50% 40%,#000 20%,transparent 78%);
}
.hero .wrap{position:relative;z-index:2;text-align:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid var(--line-strong);background:rgba(255,255,255,.035);
  border-radius:999px;padding:6px 15px;font-size:12.5px;color:var(--dim);margin-bottom:24px;
  backdrop-filter:blur(8px);
}
.hero-badge i{width:6px;height:6px;border-radius:50%;background:var(--t);box-shadow:0 0 0 3px rgba(0,214,180,.16)}
.hero h1{font-size:clamp(32px,5.4vw,56px);font-weight:850;letter-spacing:-1.4px;line-height:1.16}
.grad{
  background:linear-gradient(96deg,#ffd12e,#ff7a6b 34%,#a97bff 66%,#00d6b4);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{max-width:660px;margin:20px auto 0;color:var(--dim);font-size:16.5px}
.hero-cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:32px}

/* floating swatches */
.swatch-float{position:absolute;border-radius:16px;box-shadow:var(--shadow);animation:float 8s ease-in-out infinite;z-index:1}
@keyframes float{0%,100%{transform:translateY(0) rotate(var(--r,0deg))}50%{transform:translateY(-18px) rotate(var(--r,0deg))}}
@media(max-width:1024px){.swatch-float{display:none}}

/* ---------- Quick converter (hero) ---------- */
.quick{
  max-width:760px;margin:44px auto 0;text-align:left;
  background:linear-gradient(180deg,rgba(26,29,40,.94),rgba(17,19,27,.94));
  border:1px solid var(--line-strong);border-radius:22px;padding:18px;
  box-shadow:var(--shadow);backdrop-filter:blur(14px);
}
.quick-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px;flex-wrap:wrap}
.quick-title{font-size:13px;font-weight:700;color:var(--dim);letter-spacing:.4px}
.quick-hint{font-size:12px;color:var(--muted)}
.quick-row{display:flex;gap:10px}
.quick-input{
  flex:1;min-width:0;background:rgba(0,0,0,.35);border:1px solid var(--line-strong);
  border-radius:12px;padding:13px 15px;color:var(--text);font-size:15px;
  font-family:ui-monospace,"SF Mono",Menlo,monospace;transition:border-color .18s,background .18s;
}
.quick-input::placeholder{color:#5b6274;font-family:inherit}
.quick-input:focus{outline:none;border-color:rgba(255,209,46,.6);background:rgba(0,0,0,.5)}
.quick-out{
  display:none;align-items:center;gap:16px;margin-top:14px;
  padding:14px;border-radius:14px;border:1px solid var(--line);
  background:rgba(0,0,0,.25);
}
.quick-out.show{display:flex}
.qo-swatch{width:64px;height:64px;border-radius:12px;flex-shrink:0;border:1px solid rgba(255,255,255,.16)}
.qo-main{flex:1;min-width:0}
.qo-code{font-weight:800;font-size:17px;letter-spacing:-.2px}
.qo-code em{font-style:normal;font-weight:600;font-size:12px;color:var(--muted);margin-left:8px}
.qo-vals{display:flex;gap:14px;flex-wrap:wrap;margin-top:3px;font-size:12px;color:var(--dim)}
.qo-vals b{font-weight:600;color:var(--text);font-family:ui-monospace,monospace}
.quick-err{display:none;margin-top:12px;font-size:13px;color:#ff9b9b}
.quick-err.show{display:block}

/* ---------- Stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border-block:1px solid var(--line)}
.stats>div{background:var(--bg-2);padding:26px 20px;text-align:center}
.stat-n{font-size:26px;font-weight:850;letter-spacing:-.6px}
.stat-n span{font-size:13px;font-weight:600;color:var(--muted);margin-left:2px}
.stat-l{font-size:12.5px;color:var(--dim);margin-top:2px}
@media(max-width:720px){.stats{grid-template-columns:repeat(2,1fr)}}

/* ---------- Section ---------- */
.section{max-width:var(--max);margin:0 auto;padding:78px 24px}
.section.alt{max-width:none;background:var(--bg-2);border-block:1px solid var(--line);padding-inline:0}
.section.alt>.inner{max-width:var(--max);margin:0 auto;padding:0 24px}
.sec-tag{color:var(--y);font-size:12px;font-weight:800;letter-spacing:2.2px;text-transform:uppercase}
.sec-title{font-size:clamp(24px,3.4vw,33px);font-weight:850;letter-spacing:-.7px;margin:9px 0 8px}
.sec-sub{color:var(--dim);max-width:620px;font-size:15px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;flex-wrap:wrap}

.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:38px}
@media(max-width:980px){.grid-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.grid-4{grid-template-columns:1fr}}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;transition:transform .22s,border-color .22s,background .22s;
}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong);background:var(--card-2)}
.card .ico{
  width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  font-size:19px;margin-bottom:15px;background:rgba(255,255,255,.055);border:1px solid var(--line);
}
.card h3{font-size:16px;font-weight:750;margin-bottom:7px;letter-spacing:-.2px}
.card p{font-size:13.8px;color:var(--dim)}

.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:38px;counter-reset:step}
@media(max-width:780px){.steps{grid-template-columns:1fr}}
.step{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.step::before{
  counter-increment:step;content:counter(step);
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:50%;font-weight:850;font-size:15px;
  background:linear-gradient(135deg,var(--y),var(--y-deep));color:#1a1300;margin-bottom:13px;
}
.step h3{font-size:15.5px;margin-bottom:5px}
.step p{font-size:13.5px;color:var(--dim)}

/* ---------- Gallery ---------- */
.gal{display:grid;grid-template-columns:repeat(auto-fill,minmax(132px,1fr));gap:11px;margin-top:34px}
.gal-item{border-radius:13px;overflow:hidden;border:1px solid var(--line);cursor:pointer;position:relative;transition:transform .2s,border-color .2s;background:var(--card)}
.gal-item:hover{transform:translateY(-3px);border-color:var(--line-strong)}
.gal-item .g-top{height:64px;position:relative}
.gal-item .g-info{padding:9px 11px 10px}
.gal-item .g-code{font-size:12.5px;font-weight:750;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.gal-item .g-hex{font-size:10.5px;color:var(--muted);font-family:ui-monospace,monospace}
.gal-item .g-copied{
  position:absolute;inset:0;background:rgba(0,0,0,.6);display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;color:#fff;opacity:0;transition:opacity .18s;
}
.gal-item.copied .g-copied{opacity:1}

/* ---------- Footer ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--bg-2);padding:46px 0 34px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
@media(max-width:860px){.footer-grid{grid-template-columns:1fr 1fr;gap:26px}}
.footer-brand p{color:var(--dim);font-size:13px;margin-top:12px;max-width:320px}
.footer-col h4{font-size:12.5px;font-weight:750;letter-spacing:.6px;color:var(--text);margin-bottom:12px}
.footer-col a{display:block;font-size:13px;color:var(--dim);padding:3.5px 0;transition:color .16s}
.footer-col a:hover{color:var(--y)}
.footer-note{border-top:1px solid var(--line);margin-top:34px;padding-top:22px;color:var(--muted);font-size:12px;line-height:1.85;text-align:center}
.footer-beian{display:flex;flex-wrap:wrap;gap:8px 18px;justify-content:center;margin-top:12px;font-size:12px}
.footer-beian a{color:var(--muted);text-decoration:none;border-bottom:1px solid transparent;transition:.2s}
.footer-beian a:hover{color:var(--dim);border-bottom-color:var(--line-strong)}

/* ---------- Toast ---------- */
#toast{
  position:fixed;left:50%;bottom:30px;transform:translateX(-50%) translateY(16px);
  background:#242836;border:1px solid var(--line-strong);color:#fff;border-radius:999px;
  padding:10px 22px;font-size:13.5px;opacity:0;pointer-events:none;transition:.28s;z-index:999;
  box-shadow:var(--shadow);max-width:88vw;text-align:center;
}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ==========================================================================
   工具页通用
   ========================================================================== */
.page-head{padding:44px 0 26px}
.page-head h1{font-size:clamp(25px,3.6vw,34px);font-weight:850;letter-spacing:-.8px}
.page-head p{color:var(--dim);margin-top:6px;font-size:14.5px}
.crumb{display:flex;gap:7px;align-items:center;font-size:12.5px;color:var(--muted);margin-bottom:12px}
.crumb a:hover{color:var(--text)}

.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius)}
.panel-h{padding:17px 20px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:10px;justify-content:space-between;flex-wrap:wrap}
.panel-h h2{font-size:14px;font-weight:750;letter-spacing:.2px}
.panel-b{padding:20px}

.field{margin-bottom:16px}
.field label{display:block;font-size:12px;font-weight:700;color:var(--dim);margin-bottom:7px;letter-spacing:.3px}
.input{
  width:100%;background:rgba(0,0,0,.32);border:1px solid var(--line-strong);border-radius:11px;
  padding:11px 13px;color:var(--text);font-size:14px;transition:border-color .18s,background .18s;
}
.input:focus{outline:none;border-color:rgba(255,209,46,.55);background:rgba(0,0,0,.45)}
select.input{appearance:none;cursor:pointer;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23989fb3' stroke-width='2.5' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 13px center;padding-right:34px;
}
select.input option{background:#14161f;color:var(--text)}
.row{display:flex;gap:10px}
.row>*{flex:1;min-width:0}

.tabs{display:flex;gap:4px;background:rgba(0,0,0,.3);border:1px solid var(--line);border-radius:11px;padding:4px;margin-bottom:18px;flex-wrap:wrap}
.tab{flex:1;min-width:64px;padding:8px 10px;border-radius:8px;font-size:13px;font-weight:650;color:var(--dim);transition:.16s}
.tab:hover{color:var(--text)}
.tab.active{background:rgba(255,255,255,.1);color:var(--text);box-shadow:0 2px 8px rgba(0,0,0,.3)}

.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;
  padding:5px 11px;border-radius:999px;border:1px solid var(--line-strong);
  color:var(--dim);background:rgba(255,255,255,.03);transition:.16s;
}
.chip:hover{color:var(--text);border-color:rgba(255,255,255,.28)}
.chip.on{background:rgba(255,209,46,.14);border-color:rgba(255,209,46,.4);color:var(--y)}

/* value rows */
.vals{display:flex;flex-direction:column}
.val{
  display:flex;align-items:center;gap:12px;padding:11px 12px;border-radius:10px;cursor:pointer;
  transition:background .15s;border:1px solid transparent;
}
.val:hover{background:rgba(255,255,255,.04);border-color:var(--line)}
.val .v-k{font-size:11.5px;font-weight:700;color:var(--muted);width:46px;flex-shrink:0;letter-spacing:.5px}
.val .v-v{flex:1;font-size:13.5px;font-family:ui-monospace,"SF Mono",Menlo,monospace;word-break:break-all}
.val .v-copy{font-size:11px;color:var(--muted);opacity:0;transition:opacity .15s;flex-shrink:0}
.val:hover .v-copy{opacity:1}

.badge{display:inline-flex;align-items:center;gap:5px;font-size:11px;font-weight:700;padding:2.5px 8px;border-radius:999px}
.badge-y{background:rgba(255,209,46,.13);color:var(--y);border:1px solid rgba(255,209,46,.3)}
.badge-t{background:rgba(0,214,180,.12);color:var(--t);border:1px solid rgba(0,214,180,.3)}
.badge-v{background:rgba(123,97,255,.14);color:#a993ff;border:1px solid rgba(123,97,255,.35)}

.empty{padding:60px 20px;text-align:center;color:var(--muted);font-size:14px}

/* ---------- Convert page ---------- */
.convert-layout{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:start;padding-bottom:70px}
@media(max-width:900px){.convert-layout{grid-template-columns:1fr}}
.preview-box{
  border-radius:16px;padding:22px;border:1px solid rgba(255,255,255,.14);
  display:flex;flex-direction:column;justify-content:space-between;min-height:190px;position:relative;overflow:hidden;
  transition:background .3s;
}
.preview-box .pb-top{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}
.preview-box .pb-code{font-size:22px;font-weight:850;letter-spacing:-.4px;line-height:1.2}
.preview-box .pb-hex{font-size:12.5px;font-family:ui-monospace,monospace;opacity:.85;margin-top:3px}
.preview-box .pb-bottom{display:flex;gap:8px;flex-wrap:wrap;margin-top:26px}
.pb-tag{font-size:11px;font-weight:700;padding:4px 9px;border-radius:7px;background:rgba(0,0,0,.22);backdrop-filter:blur(4px)}

.match-card{
  display:flex;gap:14px;align-items:center;padding:14px;border-radius:14px;
  background:rgba(255,255,255,.03);border:1px solid var(--line);cursor:pointer;transition:.18s;
}
.match-card:hover{background:rgba(255,255,255,.06);border-color:var(--line-strong)}
.match-card .m-sw{width:56px;height:56px;border-radius:11px;flex-shrink:0;border:1px solid rgba(255,255,255,.16)}
.match-card .m-main{flex:1;min-width:0}
.match-card .m-code{font-weight:800;font-size:15.5px;letter-spacing:-.2px}
.match-card .m-sub{font-size:11.5px;color:var(--dim);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.match-card .m-de{font-size:11px;font-weight:750;color:var(--t);text-align:right;flex-shrink:0}

.similar-list{display:flex;flex-direction:column;gap:2px;margin-top:6px}
.sim-row{display:flex;align-items:center;gap:10px;padding:8px 8px;border-radius:9px;cursor:pointer;transition:.15s}
.sim-row:hover{background:rgba(255,255,255,.05)}
.sim-row .s-sw{width:26px;height:26px;border-radius:7px;flex-shrink:0;border:1px solid rgba(255,255,255,.14)}
.sim-row .s-code{font-size:12.5px;font-weight:700;flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sim-row .s-hex{font-size:11px;color:var(--muted);font-family:ui-monospace,monospace}
.sim-row .s-de{font-size:10.5px;color:var(--muted);width:42px;text-align:right;flex-shrink:0}

/* ---------- Library ---------- */
.lib-toolbar{
  position:sticky;top:var(--header-h);z-index:60;
  background:rgba(9,10,15,.9);backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);padding:12px 0;
}
.lib-toolbar .wrap{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.series-pick{position:relative;flex-shrink:0}
.series-btn{
  display:flex;align-items:center;gap:10px;background:rgba(255,255,255,.045);
  border:1px solid var(--line-strong);border-radius:11px;padding:8px 12px;min-width:230px;text-align:left;
}
.series-btn:hover{background:rgba(255,255,255,.08)}
.series-btn .sb-main{flex:1;min-width:0}
.series-btn .sb-name{font-size:12.5px;font-weight:750;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.series-btn .sb-sub{font-size:10.5px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.series-btn .caret{font-size:9px;color:var(--muted);transition:transform .2s}
.series-pick.open .caret{transform:rotate(180deg)}
.series-menu{
  position:absolute;top:calc(100% + 7px);left:0;width:320px;max-width:80vw;
  background:#161925;border:1px solid var(--line-strong);border-radius:14px;padding:6px;
  box-shadow:var(--shadow);display:none;max-height:64vh;overflow:auto;z-index:70;
}
.series-pick.open .series-menu{display:block}
.series-item{display:flex;gap:11px;align-items:center;padding:9px 10px;border-radius:10px;cursor:pointer}
.series-item:hover{background:rgba(255,255,255,.06)}
.series-item.current{background:rgba(255,209,46,.1)}
.s-strip{display:flex;width:52px;height:26px;border-radius:6px;overflow:hidden;flex-shrink:0}
.s-strip i{flex:1}
.s-i-name{font-size:12.5px;font-weight:700}
.s-i-sub{font-size:10.5px;color:var(--muted)}

.search{position:relative;flex:1;min-width:180px}
.search input{
  width:100%;background:rgba(255,255,255,.045);border:1px solid var(--line-strong);border-radius:11px;
  padding:9px 34px 9px 34px;color:var(--text);font-size:13px;
}
.search input:focus{outline:none;border-color:rgba(255,209,46,.5);background:rgba(255,255,255,.07)}
.search .si{position:absolute;left:11px;top:50%;transform:translateY(-50%);width:14px;height:14px;color:var(--muted)}
.search .clear{position:absolute;right:9px;top:50%;transform:translateY(-50%);font-size:11px;color:var(--muted);display:none;padding:4px}
.search.has-val .clear{display:block}
.count-tag{font-size:11.5px;color:var(--muted);font-family:ui-monospace,monospace;white-space:nowrap}

.lib-layout{display:grid;grid-template-columns:1fr 310px;gap:24px;padding:26px 0 70px;align-items:start}
@media(max-width:980px){.lib-layout{grid-template-columns:1fr}}
.sw-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(56px,1fr));gap:7px}
.sw{
  aspect-ratio:1;border-radius:10px;position:relative;cursor:pointer;overflow:hidden;
  border:1px solid rgba(255,255,255,.09);transition:transform .16s,box-shadow .16s;
}
.sw:hover{transform:scale(1.07);z-index:3;box-shadow:0 8px 24px rgba(0,0,0,.5)}
.sw.selected{outline:2px solid var(--y);outline-offset:2px}
.sw .sw-code{
  position:absolute;left:5px;bottom:4px;font-size:9px;font-weight:750;
  opacity:0;transition:opacity .16s;white-space:nowrap;letter-spacing:-.2px;
}
.sw:hover .sw-code{opacity:1}
.detail{position:sticky;top:calc(var(--header-h) + 72px);background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
@media(max-width:980px){.detail{position:static;order:-1}}
.detail-sw{height:158px;position:relative;transition:background .25s}
.detail-sw .ds-label{position:absolute;left:16px;bottom:13px;font-weight:850;font-size:17px;letter-spacing:-.2px;text-shadow:0 1px 8px rgba(0,0,0,.4)}
.detail-sw .ds-name{position:absolute;left:16px;bottom:34px;font-size:10.5px;opacity:.75;text-transform:capitalize}
.detail-b{padding:16px}
.detail-b h4{font-size:11px;font-weight:750;color:var(--muted);letter-spacing:1.4px;margin-bottom:8px;display:flex;align-items:center;gap:7px}
.detail-b h4::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--y)}
.hover-card{
  position:fixed;z-index:200;width:182px;pointer-events:none;background:#fff;border-radius:9px;overflow:hidden;
  box-shadow:0 18px 50px rgba(0,0,0,.6);opacity:0;transform:translateY(8px);transition:opacity .12s,transform .12s;
}
.hover-card.show{opacity:1;transform:translateY(0)}
.hover-card .hc-c{height:182px}
.hover-card .hc-i{padding:8px 11px 10px;color:#111}
.hover-card .hc-b{font-size:9px;font-weight:800;letter-spacing:1.4px;color:#888}
.hover-card .hc-code{font-size:13px;font-weight:800}
.hover-card .hc-hex{font-size:10px;color:#666;font-family:ui-monospace,monospace}

/* ---------- Recognize ---------- */
.drop-state{padding:54px 0 80px}
.drop-title{text-align:center;font-size:clamp(24px,3.8vw,34px);font-weight:850;letter-spacing:-.8px}
.drop-sub{text-align:center;color:var(--dim);font-size:14px;margin-top:8px}
.dropzone{
  max-width:820px;margin:34px auto 0;border:2px dashed rgba(255,255,255,.16);border-radius:22px;
  padding:56px 24px;text-align:center;cursor:pointer;transition:.2s;background:rgba(255,255,255,.014);
}
.dropzone:hover,.dropzone.drag{border-color:rgba(255,209,46,.7);background:rgba(255,209,46,.05)}
.dropzone .dz-ico{font-size:40px;margin-bottom:10px}
.dropzone h3{font-size:17.5px;margin-bottom:6px}
.dropzone p{color:var(--dim);font-size:13.5px}
.dropzone .dz-hint{margin-top:14px;font-size:11.5px;color:var(--muted)}
.dz-actions{display:flex;gap:10px;justify-content:center;margin-top:18px;flex-wrap:wrap}

.editor{display:none;padding:22px 0 70px}
.editor.show{display:block}
.toolbar{display:flex;gap:9px;align-items:center;flex-wrap:wrap;margin:14px 0 18px}
.tb-btn{
  display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.045);
  border:1px solid var(--line-strong);border-radius:10px;padding:8px 13px;font-size:12.5px;font-weight:600;
  transition:.16s;white-space:nowrap;
}
.tb-btn:hover{background:rgba(255,255,255,.09)}
.tb-btn svg{width:14px;height:14px}
.tb-btn.primary{background:rgba(255,209,46,.13);border-color:rgba(255,209,46,.4);color:var(--y)}
.tb-btn.primary:hover{background:rgba(255,209,46,.2)}
.tb-info{margin-left:auto;font-size:11.5px;color:var(--muted)}
.stage{display:grid;grid-template-columns:1fr 336px;gap:22px;align-items:start}
@media(max-width:940px){.stage{grid-template-columns:1fr}}
.canvas-wrap{
  position:relative;width:fit-content;max-width:100%;margin:0 auto;border-radius:14px;overflow:hidden;
  background:var(--bg-2);border:1px solid var(--line);box-shadow:var(--shadow);user-select:none;
  cursor:crosshair;
}
.canvas-wrap img{display:block;width:auto;height:auto;max-width:100%;max-height:calc(100vh - 250px);min-height:160px;pointer-events:none}
.marker{
  position:absolute;width:25px;height:25px;border-radius:50%;transform:translate(-50%,-50%);
  border:2.5px solid #fff;box-shadow:0 2px 9px rgba(0,0,0,.55),0 0 0 1px rgba(0,0,0,.3);
  display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:850;
  cursor:grab;z-index:10;touch-action:none;
}
.marker:active{cursor:grabbing}
.marker.dragging{box-shadow:0 0 0 5px rgba(255,255,255,.32),0 4px 14px rgba(0,0,0,.6);z-index:20}
.color-list{display:flex;flex-direction:column;gap:9px}
.color-row{
  display:flex;align-items:center;gap:11px;border-radius:12px;padding:12px 13px;
  border:1px solid rgba(255,255,255,.13);cursor:pointer;transition:transform .15s;
}
.color-row:hover{transform:translateX(3px)}
.color-row .cr-main{flex:1;min-width:0}
.color-row .cr-code{font-weight:800;font-size:15px;letter-spacing:-.2px}
.color-row .cr-sub{font-size:11px;opacity:.85;font-family:ui-monospace,monospace;margin-top:1px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.row-btn{width:27px;height:27px;border-radius:7px;display:flex;align-items:center;justify-content:center;flex-shrink:0;background:rgba(0,0,0,.25);transition:.15s}
.row-btn:hover{background:rgba(0,0,0,.45)}
.row-btn.del:hover{background:rgba(255,70,70,.65)}
.row-btn svg{width:13px;height:13px}
.mini-note{font-size:11.5px;color:var(--muted);margin-top:12px;line-height:1.7}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:10px;margin-top:30px;max-width:860px}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:13px;padding:0 18px;transition:border-color .18s}
.faq details[open]{border-color:var(--line-strong)}
.faq summary{cursor:pointer;padding:15px 0;font-size:14.5px;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--muted);font-weight:400;font-size:18px;line-height:1}
.faq details[open] summary::after{content:"−"}
.faq .a{padding-bottom:16px;color:var(--dim);font-size:13.8px}

.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

@media(max-width:640px){
  .site-header .wrap{gap:12px;padding:0 16px}
  .nav{display:flex;gap:0;overflow-x:auto;margin-left:auto;scrollbar-width:none;-ms-overflow-style:none}
  .nav::-webkit-scrollbar{display:none}
  .nav a{padding:7px 9px;font-size:12.5px}
  .logo{font-size:15px}
  .logo small{display:none}
  .logo-mark{width:22px;height:22px;border-radius:6px;object-fit:cover}
  .header-cta{display:none}
  .section{padding:56px 18px}
  .hero{padding:52px 0 60px}
  .quick{padding:14px;margin-top:32px}
  .quick-row{flex-direction:column}
  .quick-row .btn{width:100%}
  .quick-out{flex-wrap:wrap}
  .qo-main{flex:1 1 120px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .lib-toolbar .wrap{padding:0 16px}
  .series-btn{min-width:0}
  .sw-grid{grid-template-columns:repeat(auto-fill,minmax(44px,1fr));gap:5px}
  .convert-layout,.lib-layout{gap:16px}
  .panel-b{padding:16px}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* ==========================================================================
   会员系统：入口 / 锁定占位 / 注册登录弹窗
   ========================================================================== */
html:not(.is-member) .member-only{display:none!important}
html.is-member .guest-only{display:none!important}

/* ---- 顶部入口 ---- */
.member-slot{position:relative;display:flex;align-items:center;gap:8px}
.btn-member{border-color:rgba(255,209,46,.4);background:rgba(255,209,46,.1);color:var(--y)}
.btn-member:hover{background:rgba(255,209,46,.18);transform:translateY(-2px)}
.btn-member .ub-crown{width:15px;height:15px;color:var(--y)}
.member-chip{
  display:inline-flex;align-items:center;gap:7px;padding:5px 11px 5px 5px;border-radius:999px;
  border:1px solid var(--line-strong);background:rgba(255,255,255,.04);font-size:12.5px;font-weight:650;
  transition:.16s;max-width:170px;
}
.member-chip:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.24)}
.mc-av{
  width:22px;height:22px;border-radius:50%;flex-shrink:0;
  background:linear-gradient(135deg,var(--y),var(--y-deep));color:#231800;
  display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:850;
}
.mc-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.member-menu{
  position:absolute;right:0;top:calc(100% + 10px);width:224px;z-index:220;
  background:#191c26;border:1px solid var(--line-strong);border-radius:14px;padding:12px;
  box-shadow:var(--shadow);opacity:0;transform:translateY(-6px);pointer-events:none;transition:.18s;
}
.member-menu.show{opacity:1;transform:none;pointer-events:auto}
.mm-head{display:flex;align-items:center;gap:9px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.mm-id{min-width:0}
.mm-id b{display:block;font-size:13px;font-weight:750;line-height:1.3;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mm-id span{display:block;font-size:11px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mm-tag{
  margin:10px 0;font-size:11px;font-weight:650;color:#7fd8a8;
  background:rgba(0,214,180,.1);border:1px solid rgba(0,214,180,.25);
  border-radius:8px;padding:6px 9px;
}
.mm-item{
  width:100%;text-align:left;font-size:12.5px;color:var(--dim);padding:8px 9px;border-radius:8px;transition:.15s;
}
.mm-item:hover{background:rgba(255,255,255,.06);color:var(--text)}

/* ---- 锁定块 ---- */
.lockbox{padding:2px 0 4px}
.lock-meta{display:flex;gap:10px;align-items:flex-start;padding:2px 8px 12px;font-size:11.5px;line-height:1.6}
.lock-meta .lm-k{color:var(--muted);font-weight:700;flex-shrink:0;min-width:32px}
.lock-meta .lm-v{color:var(--dim)}
.unlock-btn{
  width:100%;display:flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 12px;border-radius:11px;font-size:13.5px;font-weight:750;letter-spacing:.2px;
  color:#6ba4ff;background:linear-gradient(180deg,rgba(47,107,255,.18),rgba(47,107,255,.06));
  border:1px solid rgba(90,148,255,.55);
  box-shadow:inset 0 0 0 1px rgba(90,148,255,.1),0 8px 22px rgba(30,80,210,.16);
  transition:.18s;
}
.unlock-btn:hover{background:linear-gradient(180deg,rgba(47,107,255,.3),rgba(47,107,255,.12));transform:translateY(-1px);color:#8ab8ff}
.unlock-btn .ub-crown{width:17px;height:17px;color:#ffcf4d;flex-shrink:0}
.lock-rows{display:flex;flex-direction:column;gap:13px;margin-top:16px;padding:0 8px}
.lock-row{display:flex;align-items:center;gap:14px}
.lock-k{font-size:11.5px;font-weight:700;color:var(--muted);width:50px;flex-shrink:0;letter-spacing:.5px}
.lock-bar{
  height:11px;border-radius:6px;display:block;
  background:linear-gradient(90deg,#8e97ac,#cdd3e2 55%,#a9b1c4);
  filter:blur(5px);opacity:.6;
}
.lock-tip{font-size:11px;color:var(--muted);margin-top:15px;text-align:center;line-height:1.6}
.bar-blur{
  display:inline-block;height:9px;border-radius:5px;vertical-align:middle;
  background:linear-gradient(90deg,#8e97ac,#cdd3e2);
  filter:blur(4px);opacity:.62;
}
.hover-card .bar-blur{background:linear-gradient(90deg,#b9bfcc,#e2e5ec);filter:blur(3px);opacity:.95}
.quick-lock{margin-top:12px;font-size:12px;color:var(--muted);display:flex;gap:6px;flex-wrap:wrap;align-items:center}
.quick-lock a{color:var(--y);font-weight:700;border-bottom:1px solid rgba(255,209,46,.45)}
.quick-lock a:hover{color:#fff}
.color-row .bar-blur{background:rgba(255,255,255,.82);filter:blur(4px);opacity:.85}
.preview-box .bar-blur{background:currentColor;opacity:.42;filter:blur(5px)}
.gal-item .bar-blur{filter:blur(4px);opacity:.5}

/* ---- 注册登录弹窗 ---- */
.auth-mask{
  position:fixed;inset:0;z-index:600;display:flex;align-items:center;justify-content:center;padding:20px;
  background:rgba(4,5,9,.72);backdrop-filter:blur(8px);
  opacity:0;pointer-events:none;transition:opacity .2s;
}
.auth-mask.show{opacity:1;pointer-events:auto}
body.auth-open{overflow:hidden}
.auth-card{
  position:relative;width:100%;max-width:400px;background:var(--card);
  border:1px solid var(--line-strong);border-radius:20px;padding:26px;
  box-shadow:0 30px 80px rgba(0,0,0,.6);transform:translateY(12px) scale(.985);transition:transform .22s;
  max-height:calc(100vh - 40px);overflow:auto;
}
.auth-mask.show .auth-card{transform:none}
.auth-close{
  position:absolute;right:12px;top:12px;width:30px;height:30px;border-radius:9px;
  color:var(--muted);font-size:13px;display:flex;align-items:center;justify-content:center;
}
.auth-close:hover{background:rgba(255,255,255,.07);color:var(--text)}
.auth-head{text-align:center;padding-top:4px}
.auth-crown{
  display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:14px;
  background:linear-gradient(160deg,rgba(255,209,46,.2),rgba(255,159,28,.08));
  border:1px solid rgba(255,209,46,.32);margin-bottom:12px;
}
.auth-crown .ub-crown{width:22px;height:22px;color:var(--y)}
.auth-head h3{font-size:19px;font-weight:850;letter-spacing:-.4px}
.auth-head p{font-size:12.5px;color:var(--dim);margin-top:5px}
.auth-tabs{display:flex;gap:4px;background:rgba(0,0,0,.3);border:1px solid var(--line);border-radius:11px;padding:4px;margin:18px 0 16px}
.auth-tab{flex:1;padding:8px 6px;border-radius:8px;font-size:12.5px;font-weight:650;color:var(--dim);transition:.16s}
.auth-tab:hover{color:var(--text)}
.auth-tab.active{background:rgba(255,255,255,.1);color:var(--text);box-shadow:0 2px 8px rgba(0,0,0,.3)}
.auth-field{margin-bottom:12px}
.auth-field label{display:block;font-size:11.5px;font-weight:700;color:var(--dim);margin-bottom:6px;letter-spacing:.3px}
.auth-field .input{font-size:13.5px;padding:10px 12px}
.auth-err{color:#ff8080;font-size:11.5px;min-height:15px;line-height:1.5;margin-bottom:4px}
.auth-submit{width:100%;margin-top:2px}
.auth-perks{list-style:none;margin-top:16px;display:flex;flex-direction:column;gap:7px}
.auth-perks li{position:relative;padding-left:20px;font-size:11.5px;color:var(--dim);line-height:1.55}
.auth-perks li::before{
  content:"";position:absolute;left:2px;top:5px;width:11px;height:6px;
  border-left:2px solid var(--t);border-bottom:2px solid var(--t);transform:rotate(-45deg);
}
.auth-foot{font-size:10.5px;color:var(--muted);text-align:center;margin-top:14px;line-height:1.6}

@media(max-width:640px){
  .auth-card{padding:22px 18px;border-radius:16px}
  .member-menu{right:-4px;width:210px}
}