*{box-sizing:border-box;margin:0;padding:0}
:root{--p:#1E3A5F;--p2:#2B4C77;--ink:#0F1E31;--gold:#B08D57;--gold2:#C9A961;--gold-ink:#7A5E33;--gold-soft:var(--input);--bg:#F6F8FB;--card:#fff;--bd:#E2E6EC;--bd2:#E9EEF5;--tx:#1A2433;--tx2:#5A6472;--tx3:#66707E;--sel:#EAF0F7;--input:#F3F6FA;--sh-sm:0 1px 2px rgba(30,58,95,.05),0 2px 10px rgba(30,58,95,.05);--sh-md:0 4px 14px rgba(30,58,95,.08),0 12px 32px rgba(30,58,95,.10);--sh-lg:0 8px 24px rgba(30,58,95,.12),0 24px 64px rgba(30,58,95,.16);--gold-wash:var(--card);--soft:var(--bg);--dark:radial-gradient(900px 420px at 84% -18%,rgba(201,169,97,.20) 0%,rgba(201,169,97,0) 62%),radial-gradient(760px 420px at 8% -12%,rgba(46,81,123,.55) 0%,rgba(46,81,123,0) 60%),linear-gradient(158deg,#15263C,var(--p))}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--tx);font:16px/1.78 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",Roboto,sans-serif;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
::selection{background:rgba(176,141,87,.24)}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:#C6CDD6;border-radius:8px;border:2px solid var(--bg)}
::-webkit-scrollbar-thumb:hover{background:#AAB4C0}
a{color:inherit;text-decoration:none}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:6px}
img{max-width:100%;height:auto;display:block}
code{background:var(--input);padding:2px 6px;border-radius:6px;font-size:.9em;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--tx2)}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
nav.top{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);backdrop-filter:blur(14px) saturate(1.5);-webkit-backdrop-filter:blur(14px) saturate(1.5);border-bottom:1px solid var(--bd2);box-shadow:0 1px 0 rgba(30,58,95,.04),0 4px 20px rgba(30,58,95,.04)}
nav.top .wrap{display:flex;align-items:center;gap:28px;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:-.2px}
.brand .mark{width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,var(--p),var(--p2));color:#fff;display:grid;place-items:center;font-size:15px;box-shadow:0 2px 8px rgba(30,58,95,.28),inset 0 1px 0 rgba(255,255,255,.15);position:relative}
.brand .mark::after{content:"";position:absolute;left:4px;right:4px;bottom:3px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--gold2),rgba(201,169,97,0))}
nav.top .links{display:flex;gap:4px;margin-left:auto;align-items:center;flex-wrap:wrap}
nav.top .links a{padding:7px 12px;border-radius:999px;font-size:14.5px;color:var(--tx2)}
nav.top .links a:hover{background:var(--sel);color:var(--p)}
nav.top .links a.on{background:var(--sel);color:var(--p);font-weight:700;box-shadow:inset 0 -2px 0 var(--gold)}
nav.top .links a.badge{position:relative}
nav.top .links a.badge::after{content:attr(data-badge);position:absolute;top:1px;right:1px;background:var(--gold);color:#fff;font-size:10px;line-height:1;padding:3px 5px;border-radius:999px}
.btn{display:inline-flex;align-items:center;gap:6px;padding:11px 22px;border-radius:999px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:all .18s ease}
.btn.pri{background:linear-gradient(135deg,var(--gold2),var(--gold));color:var(--ink);box-shadow:0 4px 16px rgba(176,141,87,.34),inset 0 1px 0 rgba(255,255,255,.35)}
.btn.pri:hover{filter:brightness(1.08);box-shadow:0 6px 18px rgba(30,58,95,.30),inset 0 1px 0 rgba(255,255,255,.14);transform:translateY(-1px)}
.btn.gh{background:var(--card);border-color:var(--bd);color:var(--p);box-shadow:var(--sh-sm)}
.btn.gh:hover{border-color:var(--gold);color:var(--p);transform:translateY(-1px)}
.btn.sm{padding:7px 15px;font-size:14px;min-height:40px}
.btn.off{background:var(--input);color:var(--tx3);border:1px dashed var(--bd);cursor:not-allowed;box-shadow:none}
.btn.off:hover{filter:none;transform:none}
.hero{position:relative;overflow:hidden;color:#F2F5F9;background:var(--dark);padding:96px 0 88px}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.12fr);gap:54px;align-items:center}
.hero-copy{min-width:0}
.hero-grid h1{font-size:42px;letter-spacing:-1.4px}
.hero-shot{position:relative;min-width:0}
.hero-shot img{width:100%;height:auto;border-radius:12px;border:1px solid rgba(255,255,255,.14);box-shadow:0 30px 70px rgba(3,10,20,.55),0 6px 18px rgba(3,10,20,.35);transition:transform .5s cubic-bezier(.2,.7,.3,1)}
.hero-shot:hover img{transform:translateY(-5px)}
.hero-shot .shot-badge{position:absolute;left:14px;bottom:-13px;background:rgba(15,30,49,.92);border:1px solid rgba(255,255,255,.16);color:#D7E2F0;font-size:12px;padding:6px 13px;border-radius:999px;backdrop-filter:blur(8px);letter-spacing:.02em}
.hero-shot::before{content:"";position:absolute;right:-24px;top:-26px;width:110px;height:110px;border-radius:50%;background:radial-gradient(circle,rgba(201,169,97,.30),rgba(201,169,97,0) 70%);filter:blur(8px);pointer-events:none}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:44px 44px;-webkit-mask-image:radial-gradient(760px 380px at 28% 0%,#000 0%,transparent 74%);mask-image:radial-gradient(760px 380px at 28% 0%,#000 0%,transparent 74%)}
.hero .wrap{position:relative;z-index:1}
.eyebrow{display:flex;align-items:center;gap:10px;font-size:13px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--gold)}
.eyebrow::before{content:"";width:26px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--gold),rgba(176,141,87,0))}
h1{font-size:48px;line-height:1.2;letter-spacing:-1.2px;font-weight:800;margin:16px 0 0;color:#fff}
h2{font-size:33px;line-height:1.32;letter-spacing:-.6px;font-weight:800}
h3{font-size:19px;font-weight:700;line-height:1.45}
.lead{font-size:19px;color:var(--tx2);max-width:780px;margin-top:16px}
.hero .lead{color:rgba(228,236,246,.85)}
/* 首屏按钮条：独立类名，避免与底部深色 .cta section 样式串台 */
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:34px}
.hero-actions .btn{white-space:nowrap;min-height:46px}
.hero-actions .btn.pri::after{content:"→";font-size:16px;line-height:1;margin-left:2px;transition:transform .18s ease}
.hero-actions .btn.pri:hover::after{transform:translateX(3px)}
.hero .note{margin-top:22px;font-size:13.5px;color:rgba(222,232,244,.84);max-width:820px}
.hero .note a{color:var(--gold2);border-bottom:1px solid rgba(201,169,97,.45)}
.hero .btn.pri:hover{filter:brightness(1.05);box-shadow:0 8px 22px rgba(176,141,87,.42),inset 0 1px 0 rgba(255,255,255,.35)}
.hero .btn.gh{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.30);color:#fff;box-shadow:none;backdrop-filter:blur(4px)}
.hero .btn.gh:hover{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.55)}
section{padding:80px 0;border-bottom:1px solid var(--bd2)}
section:last-of-type{border-bottom:none}
.sec-head{margin-bottom:40px}
.sec-head .lead{margin-top:12px;font-size:17px}
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.gauto{grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}
.card{background:var(--card);border:1px solid var(--bd2);border-radius:18px;padding:26px;box-shadow:var(--sh-sm);transition:box-shadow .2s ease,transform .2s ease}
.card:hover{box-shadow:var(--sh-md);transform:translateY(-2px)}
.card p{color:var(--tx2);margin-top:8px}
.stat{text-align:center;padding:24px 14px}
.stat .v{font-size:36px;font-weight:800;letter-spacing:-1px;background:linear-gradient(120deg,var(--p),var(--p2));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat .l{font-size:13.5px;color:var(--tx2);margin-top:4px}
.bars{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.bars .col h3{font-size:15px;padding:14px 20px;border-radius:12px;margin-bottom:12px}
.bars .col.alt h3{background:linear-gradient(135deg,var(--p),var(--p2));color:#fff;box-shadow:0 2px 10px rgba(30,58,95,.22)}
.bars .col h3.o{background:var(--input);color:var(--tx2)}
.bars ul{list-style:none}
.bars li{position:relative;padding:9px 0 9px 26px;font-size:15px;color:var(--tx2);border-bottom:1px dashed var(--bd2)}
.bars li:last-child{border-bottom:none}
.bars li::before{content:"";position:absolute;left:6px;top:18px;width:7px;height:7px;border-radius:50%;background:var(--p)}
.bars .col:not(.alt) li::before{background:var(--tx3)}
.scenario{margin-bottom:18px;background:var(--card);border:1px solid var(--bd2);border-left:3px solid var(--gold);border-radius:18px;padding:28px 30px;box-shadow:var(--sh-sm);transition:box-shadow .2s ease}
.scenario:hover{box-shadow:var(--sh-md)}
.scenario.pending{border-left-color:#C6CDD6;background:var(--soft)}
.scenario.pending .num,.scenario.pending ul li::before{color:var(--tx3);border-color:var(--bd);background:var(--card)}
.scenario h3{font-size:23px;margin-top:12px}
.scenario .num{display:inline-block;font-size:13px;font-weight:800;color:var(--gold);border:1px solid rgba(176,141,87,.45);border-radius:999px;padding:3px 13px;background:var(--input)}
.scenario ul{margin-top:16px;list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:2px 28px}
.scenario ul li{padding-left:22px;position:relative;color:var(--tx2);font-size:15.5px;margin-bottom:6px}
.scenario ul li::before{content:"✓";position:absolute;left:0;color:var(--gold);font-weight:700}
.scenario .points{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:20px}
.scenario .points div{background:var(--soft);border:1px solid var(--bd2);border-radius:14px;padding:15px 18px;transition:border-color .18s ease}
.scenario .points div:hover{border-color:rgba(176,141,87,.45)}
.scenario .points b{display:block;font-size:15px}
.scenario .points span{font-size:13.5px;color:var(--tx2)}
#gallery{position:relative;background:var(--dark);border-bottom:none;color:#E6EDF6}
#gallery .sec-head h2{color:#fff}
#gallery .sec-head .lead{color:rgba(214,226,240,.78)}
#gallery .eyebrow{color:var(--gold2)}
#gallery .grid{gap:20px}
.gallery figure{border:1px solid rgba(255,255,255,.12);border-radius:18px;overflow:hidden;background:rgba(255,255,255,.05);box-shadow:0 10px 30px rgba(3,10,20,.28);transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease}
.gallery figure:hover{transform:translateY(-4px);border-color:rgba(201,169,97,.45);box-shadow:0 20px 44px rgba(3,10,20,.42)}
.gallery figure img{border-radius:0}
.gallery figcaption{padding:15px 19px;font-size:14px;color:rgba(214,226,240,.78);border-top:1px solid rgba(255,255,255,.10)}
.gallery figcaption b{color:#fff}
.gallery .shot{background:rgba(255,255,255,.06);aspect-ratio:16/10;display:grid;place-items:center;color:rgba(214,226,240,.5);font-size:13px}
.gallery-hint{display:none}
.steps{counter-reset:s}
.step{display:flex;gap:20px;margin-bottom:24px}
.step .n{flex:0 0 44px;height:44px;border-radius:13px;background:linear-gradient(135deg,var(--p),var(--p2));color:#fff;display:grid;place-items:center;font-weight:800;box-shadow:0 3px 10px rgba(30,58,95,.24)}
.tool{border:1px solid var(--bd2);border-radius:16px;background:var(--card);padding:18px 20px;box-shadow:var(--sh-sm);transition:box-shadow .2s ease,transform .2s ease}
.tool:hover{box-shadow:var(--sh-md);transform:translateY(-2px)}
.tool .t{display:flex;align-items:center;gap:8px}
.tool .t b{font-size:15.5px}
.tool .t .g{font-size:12px;color:var(--tx3)}
.tool .t .bd{margin-left:auto;font-size:11.5px;padding:2px 9px;border-radius:999px;background:var(--sel);color:var(--p);font-weight:600}
.tool .t .bd.soon{background:var(--gold-soft);color:var(--gold-ink)}
.tool .t .bd.pend{background:var(--input);color:var(--tx3);border:1px dashed var(--bd)}
.tool p{font-size:13.8px;color:var(--tx2);margin-top:7px;line-height:1.6}
.web-try{display:inline-block;margin-top:11px;font-size:12.5px;font-weight:600;color:var(--p);border-bottom:1px dashed var(--gold);padding-bottom:1px}
.web-try:hover{color:var(--gold)}
.grp-title{grid-column:1/-1;font-size:15px;font-weight:700;color:var(--p);margin-top:18px;padding-bottom:8px;border-bottom:1px solid var(--bd2);display:flex;align-items:center;gap:8px}
.grp-title::after{content:"";flex:1;height:1px;background:linear-gradient(90deg,var(--bd2),transparent);margin-top:1px}
details.faq{border:1px solid var(--bd2);border-radius:16px;background:var(--card);margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-sm);transition:box-shadow .2s ease,border-color .2s ease}
details.faq[open]{border-color:rgba(176,141,87,.4);box-shadow:var(--sh-md)}
details.faq summary{padding:18px 22px;font-weight:700;cursor:pointer;list-style:none;display:flex;gap:12px;align-items:center}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{content:"+";margin-left:auto;color:var(--gold);font-size:20px}
details.faq[open] summary::after{content:"−"}
details.faq .body{padding:0 22px 20px;color:var(--tx2);font-size:15.3px}
details.faq .tag{font-size:11.5px;color:var(--gold);border:1px solid rgba(176,141,87,.4);border-radius:999px;padding:2px 9px;font-weight:500;flex:0 0 auto}
.post{border-left:3px solid var(--bd);padding:2px 0 2px 22px;margin-bottom:28px;transition:border-color .2s}
.post:hover{border-left-color:var(--gold2)}
.post.cur{border-left-color:var(--gold)}
.post .v{font-weight:800;font-size:17px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.post .tg{font-size:11.5px;background:linear-gradient(135deg,var(--p),var(--p2));color:#fff;padding:2px 9px;border-radius:999px;font-weight:600}
.post .d{font-size:13px;color:var(--tx3);font-weight:500}
.post ul{margin:10px 0 0 18px;color:var(--tx2);font-size:15px}
.post li{margin-bottom:4px}
.dl{border:1px solid var(--bd2);border-radius:18px;padding:24px;background:var(--card);display:flex;gap:20px;align-items:center;box-shadow:var(--sh-sm);transition:box-shadow .2s ease}
.dl:hover{box-shadow:var(--sh-md)}
.dl.big{border:2px solid transparent;background:var(--gold-wash) padding-box,linear-gradient(120deg,var(--gold2),var(--gold)) border-box;box-shadow:var(--sh-md)}
.dl .info{flex:1}
.dl .meta{font-size:13px;color:var(--tx3);margin-top:5px}
.dl .note{font-size:13.5px;color:var(--tx2);margin-top:8px}
.dl-off{display:flex;gap:16px;align-items:flex-start;background:var(--gold-wash);border:1px solid rgba(201,169,97,.5);border-radius:18px;padding:22px 24px;box-shadow:var(--sh-sm);margin-bottom:18px}
.dl-off .ic{flex:0 0 42px;height:42px;border-radius:12px;background:linear-gradient(135deg,var(--gold2),var(--gold));display:grid;place-items:center;color:#fff;font-size:19px;font-weight:700;box-shadow:0 3px 10px rgba(176,141,87,.35)}
.dl-off h3{font-size:17px}
.dl-off p{font-size:14.5px;color:var(--tx2);margin-top:4px}
/* 作者名片：深色大卡片 + 左文右像 + 下方白色联系卡 */
.author-hero{background:var(--dark);padding:72px 0 76px;color:#fff}
.author-hero .wrap{max-width:1080px}
.author-card{background:rgba(255,255,255,.035);border:1px solid rgba(255,255,255,.10);border-radius:22px;padding:44px 48px;overflow:hidden}
.author-main{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:36px;align-items:end}
.a-eyebrow{font-size:12px;letter-spacing:.26em;color:rgba(255,255,255,.45)}
.a-name{font-size:64px;font-weight:800;letter-spacing:-2px;line-height:1.08;margin:16px 0 20px}
.a-role{font-size:14.5px;color:rgba(255,255,255,.62);line-height:1.9}
.a-slogan{margin:26px 0 32px;font-size:19px;font-weight:700;color:#fff}
.a-slogan span{border-bottom:3px solid var(--gold);padding-bottom:5px}
.a-meta{display:grid;gap:11px;max-width:480px}
.a-meta>div{display:grid;grid-template-columns:76px 1fr;gap:16px;align-items:baseline}
.a-meta span{font-size:12px;letter-spacing:.06em;color:rgba(255,255,255,.42)}
.a-meta b,.a-meta a{font-size:13.5px;font-weight:600;letter-spacing:.02em;color:rgba(255,255,255,.92)}
.a-meta a{color:var(--gold2)}
.author-portrait{height:320px;overflow:hidden;align-self:end}
.author-portrait img{width:100%;height:auto;display:block;transform:translateY(8px)}
.a-intro{margin-top:34px;padding-top:24px;border-top:1px solid rgba(255,255,255,.10);font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.55);max-width:780px}
.author-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:22px}
.a-card{display:flex;align-items:center;gap:18px;background:var(--card);border-radius:16px;padding:18px;color:var(--tx);min-width:0}
.a-card>div{flex:1;min-width:0}
.a-card img{width:120px;height:120px;flex:none;border-radius:10px;display:block}
.a-card b{font-size:15px}
.a-card p{font-size:12.5px;color:var(--tx2);line-height:1.65;margin-top:6px}
.a-card .btn{margin-top:12px}
.a-badge{width:120px;height:120px;flex:none;border-radius:14px;background:linear-gradient(135deg,var(--p),var(--p2));color:#fff;display:grid;place-items:center;font-size:52px;font-weight:800}
.cta{position:relative;overflow:hidden;background:var(--dark);text-align:center;color:#fff}
.cta .wrap{position:relative;z-index:1}
.cta h2{color:#fff}
.cta .lead{margin:0 auto;color:rgba(228,236,246,.82)}
.cta .row{display:flex;gap:12px;justify-content:center;margin-top:30px;flex-wrap:wrap}
.cta .btn.gh{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.30);color:#fff;box-shadow:none}
.cta .btn.gh:hover{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.55)}
footer{border-top:3px solid var(--gold);padding:42px 0;background:var(--bg)}
footer .row{display:flex;gap:20px;flex-wrap:wrap;align-items:flex-start}
footer .c{color:var(--tx2);font-size:13.8px;max-width:640px}
footer .sp{margin-left:auto;text-align:right;font-size:13px;color:var(--tx3);line-height:1.9}
footer .sp a{color:var(--tx2)}
footer .sp a:hover{color:var(--p)}
footer .sp .police-record{display:inline-flex;align-items:center;gap:5px}
footer .sp .police-record img{width:auto;height:18px;display:block}
.prose{max-width:820px}
.prose h3{margin:34px 0 10px;padding-left:12px;border-left:3px solid var(--gold)}
.prose p{color:var(--tx2);margin-bottom:12px}
/* 版本与下载：两版本对比、网盘信息、侧载步骤 */
.ver-card{display:flex;flex-direction:column;gap:9px}
.ver-card.market{border-top:3px solid var(--p)}
.ver-card.sideload{border-top:3px solid var(--gold);background:var(--gold-wash)}
.ver-card .vtag{align-self:flex-start;font-size:12px;font-weight:700;letter-spacing:.02em;padding:4px 13px;border-radius:999px;background:var(--sel);color:var(--p)}
.ver-card.sideload .vtag{background:rgba(176,141,87,.18);color:var(--gold-ink)}
.ver-card .vname{font-size:21px;font-weight:800;letter-spacing:-.3px}
.ver-card .vmeta{font-size:13px;color:var(--tx3)}
.ver-card .vdesc{font-size:14.5px;color:var(--tx2);line-height:1.72}
.ver-card ul{margin:4px 0 0 18px;font-size:14px;color:var(--tx2)}
.ver-card li{margin-bottom:5px}
.pan{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:6px}
.pan .pancode{font-size:15px;font-weight:800;letter-spacing:.14em;background:var(--gold-soft);border:1px solid rgba(201,169,97,.5);color:var(--gold-ink);padding:6px 15px;border-radius:10px}
.pan .pannote{font-size:13px;color:var(--tx3)}
.copy-code{border:1px solid rgba(201,169,97,.5);background:var(--card);color:var(--gold-ink);border-radius:10px;padding:6px 14px;font-size:13px;font-weight:700;cursor:pointer;font-family:inherit;min-height:40px}
.copy-code:hover{background:var(--gold-soft)}
.to-top{position:fixed;right:22px;bottom:22px;z-index:60;width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--p),var(--p2));color:#fff;display:grid;place-items:center;font-size:19px;box-shadow:var(--sh-md);opacity:0;pointer-events:none;transition:opacity .2s ease,transform .2s ease;transform:translateY(8px)}
.to-top.show{opacity:1;pointer-events:auto;transform:none}
.to-top:hover{transform:translateY(-3px)}
.side-note{font-size:13.5px;color:var(--tx3);margin-top:6px;line-height:1.72}
.side-steps{counter-reset:ss;list-style:none;margin-top:8px}
.side-steps li{position:relative;padding:12px 0 12px 44px;border-bottom:1px dashed var(--bd2);font-size:15px;color:var(--tx2);line-height:1.7}
.side-steps li:last-child{border-bottom:none}
.side-steps li::before{counter-increment:ss;content:counter(ss);position:absolute;left:0;top:12px;width:28px;height:28px;border-radius:9px;background:linear-gradient(135deg,var(--p),var(--p2));color:#fff;font-size:13px;font-weight:800;display:grid;place-items:center}
/* 窄桌面 / 平板横屏：首屏改为上下结构 */
@media(max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-grid h1{font-size:35px}
  .hero-shot{max-width:640px}
  .hero-shot .shot-badge{bottom:auto;top:-12px;left:12px}
}
/* 平板竖屏 / 小尺寸笔电：多列收窄为两列，避免卡片被压扁 */
@media(max-width:1100px) and (min-width:861px){
  .g4{grid-template-columns:repeat(2,1fr)}
  .g3{grid-template-columns:repeat(2,1fr)}
  .scenario .points{grid-template-columns:repeat(2,1fr)}
  h1{font-size:42px}
}
/* 手机与平板竖屏 */
@media(max-width:860px){
  .g4,.g3,.g2,.gauto{grid-template-columns:1fr}
  /* 差异对比区保留两列，维持左右对照关系 */
  .bars{grid-template-columns:1fr 1fr;gap:10px}
  .bars .col h3{font-size:13px;padding:10px 12px;margin-bottom:8px}
  .bars li{font-size:13px;padding:7px 0 7px 16px}
  .bars li::before{left:3px;top:14px;width:6px;height:6px}
  .scenario ul,.scenario .points{grid-template-columns:1fr}
  .scenario{padding:22px 20px}
  h1{font-size:33px}h2{font-size:26px}
  .lead{font-size:16.5px}
  .hero{padding:72px 0 64px}
  .hero .lead{font-size:17px}
  nav.top .wrap{height:auto;flex-wrap:wrap;padding:12px 20px;gap:10px}
  /* 横滚导航：右侧渐隐提示右侧还有菜单 */
  nav.top .links{margin-left:0;width:100%;overflow-x:auto;flex-wrap:nowrap;scrollbar-width:none;-webkit-mask-image:linear-gradient(90deg,#000 0,#000 90%,transparent 100%);mask-image:linear-gradient(90deg,#000 0,#000 90%,transparent 100%)}
  nav.top .links::-webkit-scrollbar{display:none}
  nav.top .links a{flex:0 0 auto;min-height:44px;display:inline-flex;align-items:center;padding:11px 14px}
  section{padding:56px 0}
  .sec-head{margin-bottom:28px}
  .author-main{grid-template-columns:1fr;gap:8px}
  .author-portrait{height:230px;width:230px;justify-self:center}
  .a-name{font-size:46px}
  .author-cards{grid-template-columns:1fr}
  .dl{flex-direction:column;align-items:stretch}
  .dl .btn{width:100%;justify-content:center}
  .dl-off{flex-direction:column}
  /* 首屏与底部 CTA 统一：两按钮平分一行并排 */
  .hero-actions{gap:10px}
  .hero-actions .btn{flex:1 1 0;min-width:0;justify-content:center;padding:12px 14px;font-size:14.5px}
  .cta .row .btn{flex:1 1 0;min-width:0;justify-content:center;padding:12px 14px;font-size:14.5px}
  /* 界面一览：手机改横向滑动，避免 8 张图单列铺满 */
  #gallery .grid.gallery{display:flex;gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:14px}
  #gallery .grid.gallery figure{flex:0 0 84%;scroll-snap-align:start}
  .gallery-hint{display:block;color:rgba(214,226,240,.75);font-size:13px;margin-top:14px}
  .stat .v{font-size:30px}
  .step{gap:14px}
  .step .n{flex:0 0 40px;height:40px}
  .post{padding-left:16px}
  details.faq summary{padding:15px 16px;font-size:15.5px;gap:8px}
  details.faq .body{padding:0 16px 18px}
  code{word-break:break-all}
  footer .row{gap:14px}
  footer .sp{margin-left:0;text-align:left;width:100%}
}
/* 窄屏手机 */
@media(max-width:420px){
  .wrap{padding:0 16px}
  h1{font-size:28px}h2{font-size:23px}
  .hero{padding:60px 0 52px}
  .card,.scenario{padding:18px 16px}
  .brand span:not(.mark){font-size:15px}
  .author-card{padding:26px 20px}
  .a-name{font-size:38px}
  .a-slogan{font-size:17px}
  .author-portrait{height:190px;width:190px}
  .a-card img,.a-badge{width:96px;height:96px}
  .a-badge{font-size:42px}
  .hero .note{font-size:12.5px;line-height:1.7}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%;flex:none}
  .cta .row{flex-direction:column;align-items:stretch}
  .cta .row .btn{width:100%;flex:none}
  .bars{grid-template-columns:1fr}
}
/* 触屏设备不保留 hover 的位移与加阴影，避免点按后状态粘滞 */
@media(hover:none){
  .card:hover,.tool:hover{transform:none;box-shadow:var(--sh-sm)}
  .scenario:hover,.dl:hover{box-shadow:var(--sh-sm)}
  .gallery figure:hover{transform:none;border-color:rgba(255,255,255,.12);box-shadow:0 10px 30px rgba(3,10,20,.28)}
  .hero-shot:hover img{transform:none}
}
/* 在线工具页 */
.wt-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:24px;align-items:start}
.wt-side{position:sticky;top:78px;background:var(--card);border:1px solid var(--bd2);border-radius:16px;padding:16px;box-shadow:var(--sh-sm);max-height:calc(100vh - 100px);overflow-y:auto}
.wt-group{margin-bottom:16px}
.wt-group:last-child{margin-bottom:0}
.wt-group-t{font-size:11.5px;letter-spacing:.08em;color:var(--tx3);font-weight:700;margin-bottom:8px}
.wt-chip{display:block;width:100%;text-align:left;background:transparent;border:1px solid transparent;border-radius:9px;padding:8px 10px;font:inherit;font-size:13.5px;line-height:1.5;color:var(--tx2);cursor:pointer;transition:background .15s,color .15s}
.wt-chip:hover{background:var(--sel);color:var(--p)}
.wt-chip.on{background:var(--p);color:#fff;font-weight:600}
.wt-main{min-width:0}
.wt-panel-head{margin-bottom:18px}
.wt-badge{display:inline-block;font-size:12px;color:var(--p);background:var(--sel);border-radius:999px;padding:3px 12px;font-weight:600}
.wt-panel-head h2{font-size:25px;margin:10px 0 8px}
.wt-intro{color:var(--tx2);font-size:14.5px;line-height:1.75;max-width:760px}
.wt-body{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:20px;align-items:start}
.wt-form,.wt-result,.wt-custom{background:var(--card);border:1px solid var(--bd2);border-radius:16px;padding:20px;box-shadow:var(--sh-sm)}
.wt-field{margin-bottom:14px}
.wt-field>label{display:block;font-size:13px;color:var(--tx2);font-weight:600;margin-bottom:6px}
.wt-field input,.wt-field select,.wt-field textarea,.wt-search-box input{width:100%;font:inherit;font-size:14px;color:var(--tx);background:var(--input);border:1px solid var(--bd);border-radius:9px;padding:9px 11px;outline:none;transition:border-color .15s,box-shadow .15s}
.wt-field input:focus,.wt-field select:focus,.wt-field textarea:focus,.wt-search-box input:focus{border-color:var(--p);box-shadow:0 0 0 3px rgba(30,58,95,.10)}
.wt-field textarea{resize:vertical;line-height:1.6}
.wt-hint{display:block;font-size:12px;color:var(--tx3);margin-top:5px;line-height:1.55}
.wt-check-field{margin-bottom:12px}
.wt-check{display:flex;align-items:flex-start;gap:9px;font-size:13.5px;color:var(--tx2);cursor:pointer;line-height:1.6}
.wt-check input{width:16px;height:16px;flex:none;margin-top:3px;accent-color:var(--p)}
.wt-section{font-size:12px;font-weight:700;letter-spacing:.05em;color:var(--p);border-left:3px solid var(--gold);padding-left:9px;margin:10px 0 4px}
.wt-run{margin-top:6px;width:100%}
.wt-big{background:var(--soft);border:1px solid var(--bd2);border-radius:12px;padding:16px 18px;margin-bottom:14px}
.wt-big-label{display:block;font-size:12.5px;color:var(--tx2);margin-bottom:6px}
.wt-big strong{display:block;font-size:22px;line-height:1.45;color:var(--p);word-break:break-all}
.wt-table{width:100%;border-collapse:collapse;font-size:13.5px}
.wt-table th,.wt-table td{padding:8px 10px;border-bottom:1px solid var(--bd2);text-align:left;vertical-align:top}
.wt-table th{color:var(--tx2);font-weight:600;white-space:nowrap;width:42%}
.wt-table td{color:var(--tx);word-break:break-word}
.wt-table tr:last-child th,.wt-table tr:last-child td{border-bottom:none}
.wt-grid th,.wt-grid td{white-space:nowrap;width:auto;font-size:12.5px}
.wt-grid thead th{background:var(--input);color:var(--tx2)}
.wt-scroll{overflow-x:auto;margin:10px 0}
.wt-note{font-size:12.5px;color:var(--tx3);line-height:1.7;margin-top:12px}
.wt-copy{margin-top:10px;font:inherit;font-size:12.5px;color:var(--p);background:var(--card);border:1px solid var(--bd);border-radius:8px;padding:6px 13px;cursor:pointer}
.wt-copy:hover{border-color:var(--p)}
.wt-empty{color:var(--tx3);font-size:14px;padding:24px 0;text-align:center}
.wt-list{margin:8px 0 0 18px;font-size:13.5px;color:var(--tx2);line-height:1.8}
.wt-acc{border:1px solid var(--bd2);border-radius:12px;margin-bottom:12px;background:var(--card)}
.wt-acc summary{cursor:pointer;padding:13px 16px;font-weight:600;font-size:15px;color:var(--p)}
.wt-acc[open] summary{border-bottom:1px solid var(--bd2)}
.wt-acc h4{font-size:13px;color:var(--tx2);margin:16px 16px 8px}
.wt-checks{padding:0 16px 14px}
.wt-checks .wt-check{padding:6px 0;border-bottom:1px dashed var(--bd2)}
.wt-checks .wt-check:last-child{border-bottom:none}
.wt-how span{color:var(--p)}
.wt-search-box{margin-bottom:14px}
.wt-count{font-size:12.5px;color:var(--tx3);margin-bottom:10px}
.wt-hits{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px}
.wt-hit{background:var(--card);border:1px solid var(--bd2);border-radius:12px;padding:14px}
.wt-hit-t{display:flex;align-items:baseline;justify-content:space-between;gap:8px}
.wt-hit-t b{font-size:14.5px}
.wt-hit-t span{font-size:11.5px;color:var(--tx3)}
.wt-hit p{font-size:12.5px;color:var(--tx2);line-height:1.65;margin:8px 0 10px}
.wt-hit-link{font-size:12.5px;color:var(--p);font-weight:600}
.wt-hit-off{font-size:12px;color:var(--tx3)}
@media(max-width:980px){
  .wt-layout{grid-template-columns:1fr;gap:18px}
  .wt-side{position:static;max-height:none;display:flex;flex-wrap:wrap;gap:10px 18px}
  .wt-group{margin:0;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
  .wt-group-t{width:100%;margin-bottom:0}
  .wt-chip{width:auto;border-color:var(--bd2);padding:7px 12px}
  .wt-chip.on{border-color:var(--p)}
  .wt-body{grid-template-columns:1fr}
}
@media(max-width:420px){
  .wt-form,.wt-result,.wt-custom{padding:16px}
  .wt-big strong{font-size:19px}
  .wt-hits{grid-template-columns:1fr}
}
/* 合并页：功能清单筛选 + 页内在线工具区 */
.feature-search{display:flex;align-items:center;gap:12px;flex-wrap:wrap;background:var(--card);border:1px solid var(--bd2);border-radius:14px;padding:14px 16px;box-shadow:var(--sh-sm);margin-bottom:22px;position:sticky;top:66px;z-index:20}
.feature-search label{font-size:13px;font-weight:600;color:var(--tx2);white-space:nowrap}
.feature-search input{flex:1;min-width:180px;font:inherit;font-size:14px;color:var(--tx);background:var(--input);border:1px solid var(--bd);border-radius:9px;padding:9px 11px;outline:none}
.feature-search input:focus{border-color:var(--p);box-shadow:0 0 0 3px rgba(30,58,95,.10)}
.feature-count{font-size:12.5px;color:var(--tx3);white-space:nowrap}
.wt-inpage{background:var(--soft);border-top:1px solid var(--bd2);border-bottom:1px solid var(--bd2)}
.wt-section-head{max-width:780px;margin-bottom:24px}
.wt-section-head h2{font-size:29px;margin:8px 0 10px}
.wt-section-head p{color:var(--tx2);font-size:14.5px;line-height:1.8}
.scroll-mt{scroll-margin-top:72px}
@media(max-width:860px){
  .feature-search{position:static}
  .wt-section-head h2{font-size:24px}
}
/* 使用说明页：页内导览 + 交替背景 + 步骤卡片 */
.guide-nav{display:flex;flex-wrap:wrap;gap:10px;background:var(--card);border:1px solid var(--bd2);border-radius:14px;padding:14px 16px;box-shadow:var(--sh-sm)}
.guide-nav a{font-size:13.5px;color:var(--p);font-weight:600;background:var(--sel);border-radius:999px;padding:8px 16px;transition:background .15s,color .15s}
.guide-nav a:hover{background:var(--p);color:#fff}
.guide-alt{background:var(--soft);border-top:1px solid var(--bd2);border-bottom:1px solid var(--bd2)}
.guide-steps{display:grid;gap:14px}
.guide-steps .step{background:var(--card);border:1px solid var(--bd2);border-radius:14px;padding:18px 20px;box-shadow:var(--sh-sm)}
.guide-steps .step .n{background:var(--p);color:#fff;border-radius:10px}
@media(max-width:860px){
  .guide-nav{flex-direction:column}
  .guide-nav a{text-align:center}
}