/* SoftCnKiller 下载站 · 暖纸色 + 墨色 + 青蓝点缀 */
:root{
  --bg:#faf9f6; --bg2:#f3f1ec; --ink:#26231e; --ink2:#5c574d; --ink3:#8a8478;
  --line:#e6e2d8; --line2:#d8d3c6;
  --brand:#0e7fa0; --brand-d:#0a6280; --brand-l:#e3f1f5;
  --amber:#b97a1a; --amber-l:#f7eddb;
  --green:#3d7a44; --green-l:#e7f1e8;
  --red:#a8433a; --red-l:#f6e7e5;
  --card:#ffffff;
  --r:12px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Segoe UI","PingFang SC","Microsoft YaHei",system-ui,sans-serif;background:var(--bg);color:var(--ink);font-size:15px;line-height:1.75;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto}
a{color:var(--brand);text-decoration:none}
a:hover{color:var(--brand-d)}
.wrap{max-width:1160px;margin:0 auto;padding:0 22px}

/* ===== header ===== */
.hd{position:sticky;top:0;z-index:60;background:rgba(250,249,246,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.hd-in{display:flex;align-items:center;gap:26px;height:60px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:var(--ink);letter-spacing:.2px}
.logo img{width:28px;height:28px;border-radius:6px}
.logo small{font-weight:500;color:var(--ink3);font-size:12px;margin-left:2px}
nav.main{display:flex;gap:4px;margin-left:auto}
nav.main a{color:var(--ink2);font-size:14px;padding:7px 13px;border-radius:8px;transition:all .18s}
nav.main a:hover{background:var(--bg2);color:var(--ink)}
nav.main a.on{color:var(--brand);background:var(--brand-l);font-weight:600}
.hd-cta{background:var(--brand);color:#fff !important;font-weight:600;border-radius:8px;padding:8px 16px !important}
.hd-cta:hover{background:var(--brand-d)}
@media(max-width:760px){nav.main{display:none}}

/* ===== hero ===== */
.hero{padding:52px 0 40px;border-bottom:1px solid var(--line);background:
 radial-gradient(900px 380px at 85% -10%, #e8f2f5 0%, transparent 60%), var(--bg)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.kicker{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;color:var(--brand);background:var(--brand-l);border:1px solid #cfe4eb;padding:4px 12px;border-radius:99px;font-weight:600;letter-spacing:.5px}
.kicker .dot{width:6px;height:6px;border-radius:50%;background:var(--brand);animation:pulse 2.4s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
h1.title{font-size:34px;line-height:1.28;margin:16px 0 6px;font-weight:800;letter-spacing:.3px}
h1.title em{font-style:normal;color:var(--brand)}
.sub{color:var(--ink2);font-size:15.5px;max-width:520px;margin-bottom:18px}
.meta-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.chip{font-size:12.5px;color:var(--ink2);background:var(--card);border:1px solid var(--line2);padding:4px 12px;border-radius:99px}
.chip b{color:var(--ink);font-weight:700}
.dl-row{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;border:none;cursor:pointer;font-size:15px;font-weight:600;padding:12px 24px;border-radius:10px;transition:all .2s;font-family:inherit}
.btn svg{width:17px;height:17px;flex:none}
.btn-quark{background:var(--brand);color:#fff;box-shadow:0 2px 8px rgba(14,127,160,.28)}
.btn-quark:hover{background:var(--brand-d);transform:translateY(-1px);box-shadow:0 4px 14px rgba(14,127,160,.35)}
.btn-baidu{background:#fff;color:var(--ink);border:1px solid var(--line2)}
.btn-baidu:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}
.hero-shot{position:relative}
.shot-card{background:#fff;border:1px solid var(--line2);border-radius:14px;padding:8px;box-shadow:0 18px 44px -18px rgba(38,35,30,.22), 0 2px 8px rgba(38,35,30,.06)}
.shot-card img{border-radius:8px;display:block;width:100%}
.shot-card .cap{display:flex;justify-content:space-between;align-items:center;padding:8px 6px 3px;font-size:12px;color:var(--ink3)}
.float-tag{position:absolute;top:-14px;right:18px;background:var(--ink);color:#f5f2ea;font-size:12px;padding:5px 13px;border-radius:99px;box-shadow:0 6px 18px rgba(38,35,30,.25)}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr}.hero{padding:36px 0 30px}}

/* ===== stats bar ===== */
.stats{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:var(--r);background:var(--card);margin:34px 0;overflow:hidden}
.stats>div{padding:18px 20px;border-right:1px solid var(--line)}
.stats>div:last-child{border-right:none}
.stats b{display:block;font-size:22px;font-weight:800;letter-spacing:.3px}
.stats span{font-size:12.5px;color:var(--ink3)}
@media(max-width:760px){.stats{grid-template-columns:repeat(2,1fr)}.stats>div:nth-child(2){border-right:none}.stats>div:nth-child(-n+2){border-bottom:1px solid var(--line)}}

/* ===== sections ===== */
.sec{padding:46px 0 8px}
.sec-hd{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:24px}
.sec-hd h2{font-size:24px;font-weight:800;letter-spacing:.3px}
.sec-hd .no{font-size:12px;color:var(--ink3);font-weight:700;letter-spacing:2px;display:block;margin-bottom:6px}
.sec-hd p{color:var(--ink2);font-size:14px;max-width:560px;margin-top:6px}
.sec-hd a.more{font-size:13.5px;flex:none}

/* cards */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px 22px 20px;transition:all .2s}
.card:hover{border-color:var(--line2);box-shadow:0 8px 24px -12px rgba(38,35,30,.14);transform:translateY(-2px)}
.card .ic{width:38px;height:38px;border-radius:9px;display:flex;align-items:center;justify-content:center;margin-bottom:14px;font-size:18px}
.ic.c1{background:var(--brand-l);color:var(--brand)}
.ic.c2{background:var(--amber-l);color:var(--amber)}
.ic.c3{background:var(--green-l);color:var(--green)}
.ic.c4{background:var(--red-l);color:var(--red)}
.ic.c5{background:#ece9f5;color:#6a5aa8}
.ic.c6{background:#e8eef1;color:#3d5a66}
.card h3{font-size:16px;font-weight:700;margin-bottom:6px}
.card p{font-size:13.5px;color:var(--ink2)}
.card .fn{font-size:11.5px;color:var(--ink3);margin-top:10px;padding-top:10px;border-top:1px dashed var(--line)}
@media(max-width:860px){.grid3{grid-template-columns:1fr 1fr}.grid2{grid-template-columns:1fr}}
@media(max-width:560px){.grid3{grid-template-columns:1fr}}

/* gallery */
.gal{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.gal figure{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:8px;overflow:hidden}
.gal img{border-radius:8px;display:block;width:100%}
.gal figcaption{padding:10px 8px 4px;font-size:13px;color:var(--ink2)}
.gal figcaption b{color:var(--ink)}
@media(max-width:860px){.gal{grid-template-columns:1fr}}

/* checklist / steps */
.steps{counter-reset:st;display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.step{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px;position:relative}
.step::before{counter-increment:st;content:"0" counter(st);font-size:26px;font-weight:800;color:var(--brand);opacity:.28;position:absolute;top:12px;right:16px}
.step h3{font-size:15.5px;margin-bottom:6px}
.step p{font-size:13.5px;color:var(--ink2)}
.step code{background:var(--bg2);border:1px solid var(--line);border-radius:5px;padding:1px 7px;font-size:12.5px;color:var(--brand-d)}
@media(max-width:860px){.steps{grid-template-columns:1fr}}

/* soft list chips */
.bads{display:flex;flex-wrap:wrap;gap:9px}
.bad{font-size:13px;color:var(--ink2);background:var(--card);border:1px solid var(--line2);border-radius:8px;padding:5px 14px}
.bad s{text-decoration-color:rgba(168,67,58,.55)}

/* ===== download cards ===== */
.dl-cards{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.pan-card{background:var(--card);border:1px solid var(--line2);border-radius:14px;padding:24px;display:flex;flex-direction:column;gap:14px}
.pan-hd{display:flex;align-items:center;gap:12px}
.pan-ic{width:42px;height:42px;border-radius:10px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:15px;flex:none}
.quark .pan-ic{background:linear-gradient(135deg,#1a9cc8,#0e7fa0)}
.baidu .pan-ic{background:linear-gradient(135deg,#3d7ac0,#2a5a94)}
.pan-hd h3{font-size:17px;font-weight:700}
.pan-hd small{display:block;color:var(--ink3);font-size:12px;font-weight:400}
.pan-tips{font-size:13px;color:var(--ink2);background:var(--bg2);border-radius:8px;padding:10px 14px;line-height:1.7}
.pan-tips b{color:var(--amber)}
.pan-act{display:flex;align-items:center;gap:16px;margin-top:auto}
.qr-mini{flex:none;text-align:center}
.qr-halo{position:relative;display:inline-block;border-radius:8px;animation:haloBreath 2.8s ease-in-out infinite}
.qr-halo img{display:block;width:86px;height:86px;border-radius:8px}
@keyframes haloBreath{
  0%,100%{box-shadow:0 0 0 0 rgba(14,127,160,.30);transform:scale(1)}
  50%{box-shadow:0 0 0 6px rgba(14,127,160,.12);transform:scale(1.035)}
}
.qr-mini p{font-size:11px;color:var(--ink3);margin-top:6px}
.infotbl{width:100%;border-collapse:collapse;background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;font-size:14px}
.infotbl th,.infotbl td{padding:11px 18px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.infotbl tr:last-child td{border-bottom:none}
.infotbl th{width:150px;background:var(--bg2);color:var(--ink2);font-weight:600;font-size:13px}
.infotbl td code{background:var(--bg2);border:1px solid var(--line);border-radius:5px;padding:1px 8px;font-size:12.5px;color:var(--brand-d)}
@media(max-width:860px){.dl-cards{grid-template-columns:1fr}.pan-act{flex-wrap:wrap}}

/* notice */
.notice{display:flex;gap:12px;background:var(--amber-l);border:1px solid #ecd9b8;border-radius:var(--r);padding:14px 18px;font-size:13.5px;color:#6b4c12;margin:20px 0}
.notice.blue{background:var(--brand-l);border-color:#cfe4eb;color:#0a5a74}
.notice.green{background:var(--green-l);border-color:#cfe2d2;color:#2d5a33}

/* ===== doc layout ===== */
.doc{max-width:1160px;margin:0 auto;padding:40px 22px;display:grid;grid-template-columns:210px 1fr;gap:44px}
.doc.single{display:block}
.toc{position:sticky;top:84px;align-self:start;font-size:13.5px}
.toc h4{font-size:12px;color:var(--ink3);letter-spacing:1.5px;margin-bottom:12px;font-weight:700}
.toc a{display:block;color:var(--ink2);padding:5px 0 5px 14px;border-left:2px solid var(--line);transition:all .15s}
.toc a:hover,.toc a.on{color:var(--brand);border-left-color:var(--brand)}
.doc-body{min-width:0}
.doc-body h2{font-size:21px;font-weight:800;margin:38px 0 14px;padding-top:8px}
.doc-body h2:first-child{margin-top:0}
.doc-body h3{font-size:16px;font-weight:700;margin:22px 0 10px}
.doc-body p{color:var(--ink2);margin-bottom:12px;font-size:14.5px}
.doc-body img{border:1px solid var(--line);border-radius:10px;margin:8px 0 14px}
.doc-body ul,.doc-body ol{color:var(--ink2);font-size:14.5px;padding-left:22px;margin-bottom:12px}
.doc-body li{margin-bottom:6px}
.doc-body li b{color:var(--ink)}
.doc-body code{background:var(--bg2);border:1px solid var(--line);border-radius:5px;padding:1px 7px;font-size:12.5px;color:var(--brand-d)}
.crumb{font-size:12.5px;color:var(--ink3);margin-bottom:14px}
.crumb a{color:var(--ink3)}
@media(max-width:860px){.doc{grid-template-columns:1fr;gap:10px;padding:26px 22px}.toc{position:static;display:none}}

/* tables */
.tbl{width:100%;border-collapse:collapse;font-size:13.5px;background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;margin:14px 0 20px}
.tbl th{background:var(--bg2);text-align:left;padding:10px 14px;color:var(--ink2);font-weight:600;border-bottom:1px solid var(--line2);white-space:nowrap}
.tbl td{padding:10px 14px;border-bottom:1px solid var(--line);color:var(--ink2)}
.tbl tr:last-child td{border-bottom:none}
.tbl td:first-child{color:var(--ink);font-weight:600;white-space:nowrap}

/* ===== faq ===== */
.faq details{background:var(--card);border:1px solid var(--line);border-radius:var(--r);margin-bottom:10px;overflow:hidden}
.faq summary{cursor:pointer;padding:16px 20px;font-weight:600;font-size:15px;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:14px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:20px;color:var(--ink3);font-weight:400;transition:transform .2s;flex:none}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details[open]{border-color:var(--line2)}
.faq .ans{padding:0 20px 16px;color:var(--ink2);font-size:14px}
.faq .ans b{color:var(--ink)}

/* ===== versions ===== */
.vlog{position:relative;padding-left:26px}
.vlog::before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;background:var(--line2)}
.vitem{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px 24px;margin-bottom:16px}
.vitem::before{content:"";position:absolute;left:-25px;top:26px;width:12px;height:12px;border-radius:50%;background:var(--brand);border:3px solid var(--bg);box-shadow:0 0 0 1px var(--line2)}
.vitem h3{display:flex;align-items:center;gap:12px;font-size:17px;margin-bottom:4px}
.vitem .tag{font-size:11px;font-weight:700;color:var(--brand);background:var(--brand-l);border-radius:99px;padding:2px 10px}
.vitem .tag.cur{color:#fff;background:var(--brand)}
.vitem time{font-size:12.5px;color:var(--ink3)}
.vitem ul{margin-top:10px}
.vitem li{font-size:13.5px;color:var(--ink2);margin-bottom:5px}

/* ===== footer ===== */
.ft{border-top:1px solid var(--line);background:var(--bg2);margin-top:60px}
.ft-in{padding:34px 22px 26px}
.ft-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:30px;margin-bottom:26px}
.ft h4{font-size:13px;letter-spacing:1px;color:var(--ink3);margin-bottom:12px;font-weight:700}
.ft-links{display:flex;flex-direction:column;gap:7px}
.ft-links a{color:var(--ink2);font-size:13.5px}
.ft-links a:hover{color:var(--brand)}
.ft p{font-size:13px;color:var(--ink3)}
.ft .logo{margin-bottom:10px}
.ft-bottom{border-top:1px solid var(--line);padding-top:18px;font-size:12.5px;color:var(--ink3);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}
@media(max-width:760px){.ft-grid{grid-template-columns:1fr}}

/* ===== modal ===== */
.mask{position:fixed;inset:0;z-index:200;background:rgba(30,27,22,.55);backdrop-filter:blur(3px);display:flex;align-items:center;justify-content:center;padding:20px;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .22s,visibility .22s}
.mask.show{opacity:1;visibility:visible;pointer-events:auto}
.modal{background:var(--card);border-radius:16px;max-width:430px;width:100%;padding:28px 28px 24px;position:relative;transform:translateY(14px) scale(.97);transition:transform .22s}
.mask.show .modal{transform:none}
.modal-x{position:absolute;top:12px;right:14px;width:32px;height:32px;border:none;background:var(--bg2);border-radius:50%;font-size:16px;color:var(--ink2);cursor:pointer;transition:all .15s}
.modal-x:hover{background:var(--line);color:var(--ink)}
.m-tag{display:inline-block;font-size:12px;font-weight:700;padding:3px 12px;border-radius:99px;margin-bottom:12px;letter-spacing:.5px}
.m-tag.quark{background:var(--brand-l);color:var(--brand)}
.m-tag.baidu{background:#e7eef8;color:#2a5a94}
.modal h3{font-size:19px;font-weight:800;margin-bottom:4px}
.modal .m-sub{font-size:13px;color:var(--ink3);margin-bottom:16px}
.m-qr{display:flex;justify-content:center;margin-bottom:16px}
.m-qr .qr-halo img{width:170px;height:170px;border:1px solid var(--line)}
.m-scan{text-align:center;font-size:14px;color:var(--ink);font-weight:600;margin-bottom:14px}
.m-scan small{display:block;font-weight:400;color:var(--ink3);font-size:12.5px;margin-top:3px}
.m-list{background:var(--bg2);border-radius:10px;padding:12px 16px;margin-bottom:16px}
.m-list li{list-style:none;font-size:13px;color:var(--ink2);padding:3px 0;display:flex;gap:8px;align-items:flex-start}
.m-list li::before{content:"✓";color:var(--green);font-weight:700;flex:none}
.m-warn{font-size:12.5px;color:var(--amber);background:var(--amber-l);border-radius:8px;padding:9px 13px;text-align:center;margin-bottom:14px}
.m-hint{font-size:12.5px;color:var(--ink3);background:var(--bg2);border-radius:8px;padding:9px 13px;text-align:center;line-height:1.7}

/* toast */
.toast{position:fixed;left:50%;bottom:12%;transform:translateX(-50%) translateY(8px);background:rgba(38,35,30,.92);color:#fff;font-size:13.5px;padding:10px 22px;border-radius:99px;z-index:300;opacity:0;transition:all .25s;pointer-events:none}
.toast.show{opacity:1;transform:translateX(-50%)}

/* misc */
.hl{background:linear-gradient(transparent 62%, #f2ddb5 62%);font-weight:600}
.backtop{position:fixed;right:22px;bottom:26px;width:40px;height:40px;border-radius:10px;background:var(--card);border:1px solid var(--line2);color:var(--ink2);font-size:16px;cursor:pointer;opacity:0;pointer-events:none;transition:all .2s;z-index:80}
.backtop.show{opacity:1;pointer-events:auto}
.backtop:hover{color:var(--brand);border-color:var(--brand)}