/* 图吧工具箱资源站 · 蓝墨主色 + 暖白纸底 + 琥珀点缀 */
:root{
  --paper:#faf9f6; --ink:#1f2429; --ink2:#4a5058; --ink3:#8a8e96;
  --line:#e6e3dc; --line2:#d6d2c8;
  --blue:#2b7b9e; --blue-d:#1f5a78; --blue-bg:#eef5f8;
  --amber:#c9862a; --amber-bg:#faf3e6;
  --green:#3e7d4f; --red:#b04a3a;
  --card:#ffffff;
  --mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
  --shadow:0 6px 22px rgba(31,36,41,.08);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--paper);color:var(--ink);font-size:15px;line-height:1.78;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;height:auto}
a{color:var(--blue);text-decoration:none}
a:hover{color:var(--blue-d)}
button{font-family:inherit}
.wrap{max-width:1160px;margin:0 auto;padding:0 22px}
hr{border:none;border-top:1px dashed var(--line);margin:24px 0}

/* ===== top ===== */
.top{border-bottom:1px solid var(--line);background:rgba(250,249,246,.94);position:sticky;top:0;z-index:50;backdrop-filter:blur(8px)}
.top-in{max-width:1160px;margin:0 auto;padding:0 22px;height:62px;display:flex;align-items:center;gap:26px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;font-size:16px;letter-spacing:.2px}
.brand img{width:30px;height:30px;display:block;border-radius:6px}
.brand .ver{font-size:11px;font-weight:600;color:var(--blue-d);background:var(--blue-bg);border:1px solid #cfe2ea;border-radius:20px;padding:1px 9px;letter-spacing:.3px}
nav{display:flex;gap:2px;margin-left:auto}
nav a{color:var(--ink2);font-size:14px;padding:7px 12px;border-radius:6px}
nav a:hover{color:var(--ink);background:#f0ede6}
nav a.on{color:var(--blue-d);font-weight:600;background:var(--blue-bg)}

/* ===== hero ===== */
.hero{padding:52px 0 40px;border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,#f2eee4 0%,var(--paper) 100%)}
.hero-grid{display:flex;gap:44px;align-items:center}
.hero-l{flex:1.02;min-width:0}
.hero-r{flex:1;min-width:0}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;letter-spacing:1.6px;color:var(--blue-d);text-transform:uppercase;margin-bottom:16px}
.kicker::before{content:"";width:22px;height:2px;background:var(--blue)}
h1{font-size:36px;line-height:1.32;letter-spacing:.3px;margin-bottom:14px}
h1 .thin{color:var(--ink3);font-weight:400}
h1 em{font-style:normal;color:var(--blue-d)}
.lede{color:var(--ink2);font-size:16px;margin-bottom:22px;max-width:560px}
.btn-row{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.btn{display:inline-flex;align-items:center;gap:8px;border:none;cursor:pointer;
  font-size:15px;font-weight:600;border-radius:8px;padding:12px 26px;transition:all .18s}
.btn svg{width:16px;height:16px;fill:currentColor;flex:none}
.btn-quark{background:var(--blue);color:#fff;box-shadow:0 2px 8px rgba(43,123,158,.28)}
.btn-quark:hover{background:var(--blue-d);color:#fff;transform:translateY(-1px)}
.btn-baidu{background:#fff;color:var(--ink);border:1px solid var(--line2)}
.btn-baidu:hover{border-color:var(--blue);color:var(--blue-d)}
.btn-ghost{background:transparent;color:var(--ink2);border:1px solid var(--line2)}
.btn-ghost:hover{color:var(--blue-d);border-color:var(--blue)}
.hero-meta{display:flex;gap:8px;flex-wrap:wrap}
.chip{font-size:12.5px;color:var(--ink2);background:#fff;border:1px solid var(--line);border-radius:20px;padding:3px 12px}
.chip b{color:var(--blue-d)}
.shot-card{background:#fff;border:1px solid var(--line2);border-radius:10px;overflow:hidden;box-shadow:var(--shadow)}
.shot-card img{display:block;width:100%}
.shot-card .cap{font-size:12px;color:var(--ink3);padding:8px 14px;border-top:1px solid var(--line)}

/* ===== 速览条 ===== */
.spec{border-bottom:1px solid var(--line);background:#fff}
.spec-in{max-width:1160px;margin:0 auto;padding:16px 22px;display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
.spec .it{text-align:center;padding:2px 4px}
.spec .k{font-size:11.5px;color:var(--ink3);letter-spacing:.5px}
.spec .v{font-size:15px;font-weight:600;color:var(--ink)}
.spec .v em{font-style:normal;color:var(--blue-d)}

/* ===== sections ===== */
.sec{padding:52px 0}
.sec.alt{background:#f4f1ea;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{margin-bottom:30px}
.sec-head .no{font-family:var(--mono);font-size:12px;color:var(--ink3);letter-spacing:2px}
.sec-head h2{font-size:26px;margin-top:4px;letter-spacing:.3px}
.sec-head p{color:var(--ink2);margin-top:8px;max-width:640px}

/* feature cards */
.fgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.fcard{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:20px 18px;transition:all .18s}
.fcard:hover{border-color:#c9c3b6;box-shadow:var(--shadow);transform:translateY(-2px)}
.fcard .fico{width:40px;height:40px;margin-bottom:12px;border-radius:8px;background:var(--blue-bg);color:var(--blue-d);display:flex;align-items:center;justify-content:center;font-size:18px}
.fcard h3{font-size:15.5px;margin-bottom:6px}
.fcard p{font-size:13px;color:var(--ink2);line-height:1.68}

/* gallery */
.ggrid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.gitem{background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden;transition:all .18s}
.gitem:hover{border-color:#c9c3b6;box-shadow:var(--shadow)}
.gitem img{display:block;width:100%}
.gitem .cap{font-size:12.5px;color:var(--ink2);padding:10px 14px;border-top:1px solid var(--line)}
.gitem .cap b{color:var(--blue-d)}

/* scene list */
.sgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.scard{display:flex;gap:14px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:18px 20px}
.scard .idx{font-family:var(--mono);font-size:13px;color:var(--amber);font-weight:700;flex:none;padding-top:2px}
.scard h3{font-size:15px;margin-bottom:4px}
.scard p{font-size:13px;color:var(--ink2)}

/* versions */
.hl{background:#fff;border:1px solid var(--line);border-radius:10px;padding:24px 26px}
.hl ul{list-style:none}
.hl li{padding:7px 0 7px 24px;position:relative;color:var(--ink2);font-size:14px;border-bottom:1px dashed var(--line)}
.hl li:last-child{border-bottom:none}
.hl li::before{content:"";position:absolute;left:4px;top:16px;width:7px;height:7px;border-radius:50%;background:var(--blue)}

/* download cards */
.dgrid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.dcard{background:#fff;border:1px solid var(--line2);border-radius:12px;padding:26px;display:flex;gap:22px;align-items:center;transition:all .18s}
.dcard:hover{border-color:#c9c3b6;box-shadow:var(--shadow)}
.dcard .info{flex:1;min-width:0}
.dcard .name{font-size:17px;font-weight:700;margin-bottom:4px;display:flex;align-items:center;gap:8px}
.dcard .tag{font-size:11px;font-weight:600;color:var(--green);background:#eef5ef;border:1px solid #cfe3d4;border-radius:20px;padding:1px 9px}
.dcard .desc{font-size:13px;color:var(--ink2);margin-bottom:14px}
.dcard .desc b{color:var(--amber);font-weight:600}
.dcard .qrbox{flex:none;text-align:center}
.dcard .qrbox .qr-wrap{padding:6px;border-radius:10px;background:#fff;animation:qrBreath 2.6s ease-in-out infinite}
.dcard .qrbox img{width:118px;height:118px;border-radius:6px;border:1px solid var(--line);display:block}
.dcard .qrbox .t{font-size:11.5px;color:var(--ink3);margin-top:6px}
@keyframes qrBreath{
  0%,100%{transform:scale(1);box-shadow:0 0 0 0 rgba(43,123,158,.35)}
  50%{transform:scale(1.035);box-shadow:0 0 0 10px rgba(43,123,158,.05)}
}

/* steps */
.steps{counter-reset:st}
.step{display:flex;gap:18px;padding:18px 0;border-bottom:1px dashed var(--line)}
.step:last-child{border-bottom:none}
.step::before{counter-increment:st;content:"0" counter(st);font-family:var(--mono);
  font-size:20px;font-weight:700;color:var(--blue);flex:none;width:44px;height:44px;
  border:1px solid var(--line2);border-radius:10px;display:flex;align-items:center;justify-content:center;background:#fff}
.step h3{font-size:15px;margin-bottom:3px}
.step p{font-size:13.5px;color:var(--ink2)}

/* table */
.tbl{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden;font-size:14px}
.tbl th,.tbl td{padding:11px 16px;text-align:left;border-bottom:1px solid var(--line)}
.tbl th{background:#f4f1ea;font-size:12.5px;color:var(--ink2);font-weight:600;letter-spacing:.5px;white-space:nowrap}
.tbl tr:last-child td{border-bottom:none}
.tbl td:first-child{color:var(--ink3);white-space:nowrap;width:200px}
.tbl code{font-family:var(--mono);font-size:12.5px;background:#f4f1ea;border:1px solid var(--line);border-radius:4px;padding:1px 7px}

/* doc layout */
.doc{max-width:1160px;margin:0 auto;padding:40px 22px}
.doc.single{display:block}
.doc h2{font-size:22px;margin:34px 0 14px;padding-top:6px}
.doc h2:first-child{margin-top:0}
.doc h3{font-size:16px;margin:22px 0 8px}
.doc p{color:var(--ink2);margin:10px 0}
.doc ul,.doc ol{margin:10px 0 10px 22px;color:var(--ink2)}
.doc li{margin:5px 0}
.note{background:var(--amber-bg);border:1px solid #ecd9b4;border-radius:8px;padding:12px 16px;font-size:13.5px;color:#7a5a1e;margin:14px 0}
.note b{color:#8a5a12}
.tip{background:var(--blue-bg);border:1px solid #cfe2ea;border-radius:8px;padding:12px 16px;font-size:13.5px;color:#2a5a70;margin:14px 0}

/* accordion */
.acc{border:1px solid var(--line);border-radius:10px;background:#fff;overflow:hidden}
.acc details{border-bottom:1px solid var(--line)}
.acc details:last-child{border-bottom:none}
.acc summary{cursor:pointer;padding:16px 20px;font-size:15px;font-weight:600;list-style:none;display:flex;align-items:center;gap:12px}
.acc summary::-webkit-details-marker{display:none}
.acc summary::before{content:"?";font-family:var(--mono);font-size:12px;color:var(--blue);border:1px solid #cfe2ea;background:var(--blue-bg);width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex:none}
.acc details[open] summary{color:var(--blue-d)}
.acc .ans{padding:0 20px 18px 54px;font-size:14px;color:var(--ink2)}

/* ===== footer ===== */
footer{border-top:1px solid var(--line);background:#f4f1ea;padding:34px 0 30px;margin-top:20px}
.foot-in{max-width:1160px;margin:0 auto;padding:0 22px}
.foot-nav{display:flex;gap:20px;flex-wrap:wrap;font-size:13px;margin-bottom:14px}
.foot-nav a{color:var(--ink2)}
.foot-nav a:hover{color:var(--blue-d)}
.disc{font-size:12.5px;color:var(--ink3);line-height:1.8;max-width:900px}
.disc b{color:var(--ink2)}
.copy{font-size:12px;color:var(--ink3);margin-top:10px}

/* ===== toast / modal ===== */
.toast{position:fixed;left:50%;bottom:8%;transform:translateX(-50%) translateY(20px);opacity:0;
  background:rgba(31,36,41,.94);color:#fff;font-size:14px;padding:11px 22px;border-radius:24px;
  pointer-events:none;transition:all .25s;z-index:999}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.mask{position:fixed;inset:0;background:rgba(30,27,22,.55);z-index:900;
  opacity:0;visibility:hidden;pointer-events:none;transition:opacity .22s,visibility .22s;
  display:flex;align-items:center;justify-content:center;padding:20px}
.mask.show{opacity:1;visibility:visible;pointer-events:auto}
.modal{background:#fff;border-radius:14px;max-width:440px;width:100%;padding:30px 30px 26px;
  position:relative;transform:scale(.96) translateY(10px);transition:transform .22s;box-shadow:0 20px 60px rgba(0,0,0,.28)}
.mask.show .modal{transform:scale(1) translateY(0)}
.modal .x{position:absolute;right:14px;top:12px;width:32px;height:32px;border:none;background:none;
  font-size:20px;color:var(--ink3);cursor:pointer;border-radius:8px}
.modal .x:hover{background:#f4f1ea;color:var(--ink)}
.modal .m-name{font-size:18px;font-weight:700;text-align:center;margin-bottom:4px}
.modal .m-sub{font-size:12.5px;color:var(--ink3);text-align:center;margin-bottom:18px}
.qr-halo{width:172px;height:172px;margin:0 auto 16px;border-radius:14px;background:#fff;
  animation:haloBreath 2.8s ease-in-out infinite;position:relative}
.qr-halo img{width:150px;height:150px;display:block;margin:11px auto;border-radius:8px}
@keyframes haloBreath{
  0%,100%{transform:scale(1);box-shadow:0 0 0 0 rgba(43,123,158,.32)}
  50%{transform:scale(1.045);box-shadow:0 0 0 12px rgba(43,123,158,.05)}
}
.modal .m-desc{font-size:13.5px;color:var(--ink2);text-align:center;line-height:1.8}
.modal .m-desc .warn{display:block;margin-top:10px;color:var(--amber);font-size:12.5px;font-weight:600}
.modal .m-btn{display:block;width:100%;margin-top:18px;background:var(--blue);color:#fff;border:none;
  border-radius:8px;padding:12px;font-size:15px;font-weight:600;cursor:pointer}
.modal .m-btn:hover{background:var(--blue-d)}
.modal .m-safe{font-size:11.5px;color:var(--ink3);text-align:center;margin-top:12px}

/* 面包屑 */
.crumb{padding:14px 0 0;font-size:12.5px;color:var(--ink3)}
.crumb a{color:var(--ink3)}
.crumb a:hover{color:var(--blue-d)}

/* SEO 关键词小卡片：footer 上方 */
.seo-strip{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:14px 0}
.seo-strip-in{max-width:1160px;margin:0 auto;padding:0 22px;font-size:12px;color:var(--ink3);line-height:1.9}
.seo-strip-in a{color:var(--ink2);margin-right:14px}
.seo-strip-in a:hover{color:var(--blue-d)}

/* responsive */
@media (max-width:960px){
  .hero-grid{flex-direction:column-reverse;gap:28px}
  .fgrid{grid-template-columns:repeat(2,1fr)}
  .ggrid{grid-template-columns:1fr 1fr}
  .spec-in{grid-template-columns:repeat(3,1fr)}
  nav{display:none}
  .dgrid{grid-template-columns:1fr}
  .dcard{flex-direction:column;text-align:center}
  .dcard .name{justify-content:center}
  .sgrid{grid-template-columns:1fr}
  .hero{padding:36px 0 30px}
  h1{font-size:26px}
}
@media (max-width:560px){
  .ggrid,.fgrid{grid-template-columns:1fr}
  .spec-in{grid-template-columns:repeat(2,1fr)}
  .btn{width:100%;justify-content:center}
  .btn-row{flex-direction:column}
  .tbl td:first-child{width:auto;white-space:normal}
}