/* ============================================================
   格物官网 · 样式
   纸与墨，一点朱。一个主色只出现在三处：主按钮、链接、序号点。
   两套主题都在这里；切换只换 :root 上的 token。
   ============================================================ */

/* ---------- 字体 ---------- */
@font-face{font-family:"GewuNoto";font-weight:500;font-display:swap;src:url("fonts/NotoSansSC-Sub-500.woff2") format("woff2")}
@font-face{font-family:"GewuNoto";font-weight:700;font-display:swap;src:url("fonts/NotoSansSC-Sub-700.woff2") format("woff2")}
@font-face{font-family:"Plex";font-weight:400;font-display:swap;src:local("IBM Plex Sans"),url("fonts/IBMPlexSans-Regular.woff2") format("woff2")}
@font-face{font-family:"Plex";font-weight:500;font-display:swap;src:local("IBM Plex Sans Medium"),url("fonts/IBMPlexSans-Medium.woff2") format("woff2")}
@font-face{font-family:"Plex";font-weight:600;font-display:swap;src:local("IBM Plex Sans SemiBold"),url("fonts/IBMPlexSans-SemiBold.woff2") format("woff2")}
@font-face{font-family:"Plex";font-weight:700;font-display:swap;src:local("IBM Plex Sans Bold"),url("fonts/IBMPlexSans-Bold.woff2") format("woff2")}
@font-face{font-family:"PlexMono";font-weight:400;font-display:swap;src:local("IBM Plex Mono"),url("fonts/IBMPlexMono-Regular.woff2") format("woff2")}
@font-face{font-family:"PlexMono";font-weight:500;font-display:swap;src:local("IBM Plex Mono Medium"),url("fonts/IBMPlexMono-Medium.woff2") format("woff2")}

/* ---------- tokens ---------- */
:root{
  --paper:#F7F8FA; --panel:#FFFFFF; --panel-2:#F1F3F6;
  --ink:#0E1B2E; --sub:#5E7186; --mute:#8A9AAE;
  --line:#E3E8EF; --line-2:#CBD3DE;
  --zhu:#C43A2E; --zhu-soft:rgba(196,58,46,.08); --zhu-ink:#FFFFFF;
  --ok:#1F8A5B; --warn:#B7791F; --bad:#B42318; --gold:#B8860B;
  --shot-bg:#0B1726;
  --shadow:0 1px 2px rgba(14,27,46,.05),0 12px 32px rgba(14,27,46,.07);
  --font-head:"GewuNoto","Noto Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --font-ui:"Plex","Noto Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --font-mono:"PlexMono","Consolas","Menlo","Noto Sans SC","PingFang SC","Microsoft YaHei",monospace;
  --wrap:1120px; --gutter:24px;
  color-scheme:light;
}
:root[data-theme="dark"]{
  --paper:#0B1726; --panel:#101E30; --panel-2:#152540;
  --ink:#F2F7FD; --sub:#9DB0C6; --mute:#6F839B;
  --line:#1E2D42; --line-2:#2A3B55;
  --zhu:#F2635B; --zhu-soft:rgba(242,99,91,.14); --zhu-ink:#0B1726;
  --ok:#3FBF86; --warn:#E0A83A; --bad:#F26B5B; --gold:#E8B44A;
  --shot-bg:#050B13;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 12px 32px rgba(0,0,0,.45);
  color-scheme:dark;
}

/* ---------- 基础 ---------- */
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font-ui);font-size:17px;line-height:1.8;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:inherit;text-decoration:none}
img,svg{max-width:100%;display:block}
h1,h2,h3,h4{font-family:var(--font-head);font-weight:700;line-height:1.25;margin:0;letter-spacing:.01em;text-wrap:balance}
h1{font-size:46px}
h2{font-size:32px}
h3{font-size:21px}
h4{font-size:17px}
p{margin:0;text-wrap:pretty}
ul,ol{margin:0;padding:0}
table{border-collapse:collapse;width:100%}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter)}
.mono{font-family:var(--font-mono)}
.nb{white-space:nowrap}
.sub{color:var(--sub)}
.mute{color:var(--mute)}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:var(--paper);padding:6px 12px;border-radius:6px;z-index:99}
.skip:focus{left:8px}
:focus-visible{outline:2px solid var(--zhu);outline-offset:3px;border-radius:4px}

/* ---------- 链接 ---------- */
.lnk{color:var(--zhu);background:linear-gradient(var(--zhu),var(--zhu)) no-repeat left bottom / 0 1px;padding-bottom:1px;transition:background-size .25s}
.lnk:hover{background-size:100% 1px}
.lnk-ink{color:var(--ink);border-bottom:1px solid var(--line-2)}
.lnk-ink:hover{border-color:var(--ink)}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:6px;font-weight:600;font-size:15px;border:1px solid transparent;cursor:pointer;transition:transform .08s,filter .2s,border-color .2s;font-family:var(--font-ui);white-space:nowrap}
.btn:active{transform:translateY(1px)}
.btn-zhu{background:var(--zhu);color:var(--zhu-ink)}
.btn-zhu:hover{filter:brightness(1.07)}
.btn-ink{background:transparent;color:var(--ink);border-color:var(--line-2)}
.btn-ink:hover{border-color:var(--ink)}
.btn-sm{height:36px;padding:0 14px;font-size:13.5px}

/* ---------- 页头 ---------- */
.top{position:sticky;top:0;z-index:9;background:color-mix(in srgb,var(--paper) 88%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;height:64px;gap:28px}
.brand{display:flex;align-items:center;gap:10px}
.brand img{width:28px;height:28px}
.brand b{font-family:var(--font-head);font-size:18px;font-weight:700}
.brand small{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;color:var(--mute);margin-left:2px}
.nav{display:flex;gap:26px;margin-left:auto;font-size:15px;align-items:center}
.nav a{padding:6px 0;border-bottom:2px solid transparent;transition:border-color .2s}
.nav a:hover,.nav a[aria-current="page"]{border-color:var(--zhu)}
.nav .sep{width:1px;height:18px;background:var(--line-2)}
.theme{width:34px;height:34px;border:1px solid var(--line-2);border-radius:6px;background:transparent;color:var(--ink);cursor:pointer;display:grid;place-items:center;padding:0}
.theme:hover{border-color:var(--ink)}
:root[data-theme="dark"] .m-light{display:none}
:root:not([data-theme="dark"]) .m-dark{display:none}
.mnav{display:none;margin-left:auto}
.mnav summary{list-style:none;cursor:pointer;width:34px;height:34px;border:1px solid var(--line-2);border-radius:6px;display:grid;place-items:center}
.mnav summary::-webkit-details-marker{display:none}
.mnav ul{list-style:none;position:absolute;left:0;right:0;top:64px;background:var(--panel);border-bottom:1px solid var(--line);padding:8px var(--gutter) 12px;box-shadow:var(--shadow)}
.mnav li a{display:block;padding:12px 0;border-bottom:1px solid var(--line);font-size:16px}
.mnav li:last-child a{border-bottom:0}

/* ---------- 章节 ---------- */
.kicker{display:flex;align-items:center;gap:10px;font-family:var(--font-mono);font-size:12.5px;letter-spacing:.06em;color:var(--sub)}
.kicker::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--zhu);flex:none}
.sec{padding:88px 0;border-top:1px solid var(--line)}
.sec.band{background:var(--panel-2)}
.sec.band .tbl,.sec.band .card,.sec.band .figure{background:var(--panel)}
.sec-h{margin-bottom:44px;max-width:44em}
.sec-h h2{margin-top:14px}
.sec-h p{margin-top:14px;color:var(--sub);font-size:17.5px}
.lede{font-size:18.5px;color:var(--sub);max-width:34em}
.srcline{font-family:var(--font-mono);font-size:12px;color:var(--mute);margin-top:12px}
.srcline b{color:var(--sub);font-weight:500}

/* ---------- 首屏 ---------- */
.hero{position:relative;padding:96px 0 80px;overflow:hidden}
.hero .wrap{position:relative;display:grid;grid-template-columns:1.02fr 1fr;gap:56px;align-items:center}
.hero h1{margin:18px 0 20px}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin:32px 0 22px}
.facts{display:flex;flex-wrap:wrap;gap:6px 18px;font-size:13.5px;color:var(--mute)}
.facts span::before{content:"·";color:var(--zhu);margin-right:8px;font-weight:700}
.facts span:first-child::before{content:none}
.hero-lockup{height:40px;width:auto;margin-bottom:18px}
:root[data-theme="dark"] .lk-light{display:none}
:root:not([data-theme="dark"]) .lk-dark{display:none}

/* ---------- 截图 ---------- */
.shot-fig{margin:0}
.shot{border:1px solid var(--line-2);border-radius:8px;overflow:hidden;background:var(--shot-bg);box-shadow:var(--shadow)}
.shot img{width:100%;height:auto}
.cap{font-family:var(--font-mono);font-size:12px;color:var(--mute);margin-top:10px;display:flex;flex-wrap:wrap;gap:6px 14px}
.cap b{color:var(--sub);font-weight:500}

/* ---------- 状态签 ---------- */
.tag{display:inline-block;font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;padding:2px 8px;border:1px solid var(--line-2);border-radius:4px;color:var(--sub);vertical-align:middle;margin-left:8px;line-height:1.6;font-weight:400}
.tag.on{border-color:var(--ok);color:var(--ok)}
.tag.beta{border-color:var(--warn);color:var(--warn)}
.tag.pro{border-color:var(--gold);color:var(--gold)}
.tag.product{border-color:var(--line-2);color:var(--mute)}

/* ---------- 产品整宽块 ---------- */
.prod{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:48px 0}
.prod + .prod{border-top:1px dashed var(--line-2)}
ul.prod{list-style:none;padding:0}
.tbl-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:10px}
.prod .lockup{height:40px;width:auto;margin-bottom:22px}
.prod h3{font-size:27px}
.prod ul{list-style:none;margin:20px 0 24px;display:grid;gap:9px;color:var(--sub);font-size:16px}
.prod li{padding-left:18px;position:relative}
.prod li::before{content:"";position:absolute;left:0;top:.78em;width:6px;height:6px;background:var(--zhu);border-radius:1px}
.price{display:flex;align-items:baseline;flex-wrap:wrap;gap:10px;margin-bottom:16px}
.price b{font-size:24px;font-weight:600}
.price span{color:var(--mute);font-size:14px}

/* ---------- 横向截图带 ---------- */
.strip-wrap{position:relative}
.strip{display:grid;grid-auto-flow:column;grid-auto-columns:44%;gap:24px;overflow-x:auto;padding:4px 4px 16px;scroll-snap-type:x mandatory;scrollbar-width:thin;scroll-padding-left:4px}
.strip > *{scroll-snap-align:start}
.strip .lead{font-size:15px;color:var(--ink);margin-top:10px}
.strip .lead b{font-weight:600}

/* ---------- 截图画廊 ---------- */
.gal{display:grid;grid-template-columns:repeat(2,1fr);gap:48px 32px}
.gal h3{font-size:21px;margin:0 0 6px}
.gal > div > p{color:var(--sub);font-size:15.5px;margin-bottom:16px;min-height:2.6em}
.prod li b{color:var(--ink);font-weight:600;margin-right:8px}

/* ---------- 三条立场 ---------- */
.stance{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}
.stance .n{font-family:var(--font-mono);font-size:12px;color:var(--zhu);letter-spacing:.12em}
.stance h3{margin:10px 0 10px}
.stance p{color:var(--sub);font-size:16px}

/* ---------- 图 ---------- */
.figure{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:28px 32px}
.figure svg{width:100%;height:auto}

/* ---------- 免费与订阅：两列对比 ---------- */
.fee2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.fee2 .col{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:26px 28px;position:relative}
.fee2 .col.hi{border-color:var(--zhu)}
.fee2 .col.hi::before{content:"";position:absolute;left:-1px;right:-1px;top:-1px;height:3px;background:var(--zhu);border-radius:10px 10px 0 0}
.fee2 .nm{font-family:var(--font-head);font-weight:700;font-size:20px;margin-bottom:4px}
.fee2 .pr{font-size:14px;color:var(--mute);margin-bottom:18px}
.fee2 dl{margin:0;display:grid;gap:12px}
.fee2 dt{font-size:12.5px;color:var(--mute);font-family:var(--font-mono);letter-spacing:.04em;margin-top:4px}
.fee2 dd{margin:0;font-size:15.5px;color:var(--ink)}
.fee2 dd.soft{color:var(--sub)}
.fee2 dd.bar svg{width:100%;height:auto;display:block;margin:2px 0}

/* ---------- 通用表 ---------- */
.tbl{font-size:15px;background:var(--panel);border:1px solid var(--line);border-radius:10px;overflow:hidden}
.tbl th{text-align:left;font-weight:500;color:var(--mute);font-size:12.5px;padding:12px 16px;border-bottom:1px solid var(--line);background:var(--panel-2)}
.tbl td{padding:13px 16px;border-bottom:1px solid var(--line);color:var(--sub);vertical-align:top}
.tbl td:first-child{color:var(--ink);white-space:nowrap}
.tbl tr:last-child td{border-bottom:0}
.tbl td b{color:var(--ink);font-weight:600}
.tbl .yes{color:var(--ok)}
.tbl .no{color:var(--mute)}
.note{margin-top:16px;font-size:14.5px;color:var(--sub)}
.note b{color:var(--ink);font-weight:600}

/* ---------- 劝退 ---------- */
.notfor{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.notfor div{border-top:2px solid var(--ink);padding-top:14px}
.notfor h4{margin-bottom:6px}
.notfor p{font-size:15px;color:var(--sub)}

/* ---------- 一天怎么用 ---------- */
.day{display:grid;gap:56px}
.day-row{display:grid;grid-template-columns:1fr 1.15fr;gap:48px;align-items:center}
.day-row:nth-child(even){grid-template-columns:1.15fr 1fr}
.day-row:nth-child(even) .day-txt{order:2}
.day .t{font-family:var(--font-mono);font-size:13px;color:var(--zhu);letter-spacing:.04em}
.day h3{margin:8px 0 10px;font-size:24px}
.day p{color:var(--sub);font-size:16px}

/* ---------- 15 个功能页 ---------- */
.pages{display:grid;grid-template-columns:repeat(3,1fr);gap:28px 40px}
.pages h4{font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;color:var(--mute);font-weight:500;padding-bottom:8px;border-bottom:1px solid var(--line);margin-bottom:8px}
.pages dl{margin:0}
.pages dt{font-weight:600;margin-top:10px}
.pages dd{margin:0;color:var(--sub);font-size:14.5px;line-height:1.6}

/* ---------- 数据流向图 ---------- */
.flow{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.flow .figure{padding:24px 26px}
.flow-note{margin-top:14px;font-size:14px;color:var(--sub)}

/* ---------- 收尾 ---------- */
.end{padding:88px 0;border-top:1px solid var(--line);text-align:center}
.end h2{margin-bottom:12px}
.end p{color:var(--sub);max-width:36em;margin:0 auto}
.end .cta{justify-content:center;margin-top:28px}

/* ---------- 页脚 ---------- */
.foot{border-top:1px solid var(--line);padding:56px 0 28px;font-size:14px;color:var(--sub)}
.foot .cols{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr 1.2fr;gap:32px}
.foot h4{font-family:var(--font-head);font-size:14px;color:var(--ink);margin:0 0 10px}
.foot ul{list-style:none;display:grid;gap:6px}
.foot a:hover{color:var(--ink)}
.foot .qr{width:96px;height:96px;border:1px solid var(--line);border-radius:6px;margin-top:6px}
.foot .bottom{margin-top:36px;padding-top:18px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:8px 24px;font-size:12.5px;color:var(--mute);font-family:var(--font-mono)}

/* ---------- 页首（无截图的页） ---------- */
.head{padding:80px 0 40px}
.head h1{margin:16px 0 18px}
.head .lede{max-width:40em}
.toc{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:26px;font-size:14px}
.toc a{color:var(--sub);border-bottom:1px solid var(--line-2);padding-bottom:1px}
.toc a:hover{color:var(--ink);border-color:var(--ink)}

/* ---------- 编号步骤 ---------- */
.steps{list-style:none;counter-reset:s;display:grid;gap:22px}
.steps.cols4{grid-template-columns:repeat(4,1fr);gap:28px}
.steps li{counter-increment:s;position:relative;padding-left:52px}
.steps.cols4 li{padding-left:0;padding-top:44px}
.steps li::before{content:counter(s,decimal-leading-zero);position:absolute;left:0;top:.15em;font-family:var(--font-mono);font-size:14px;color:var(--zhu);letter-spacing:.06em;font-weight:500}
.steps.cols4 li::before{top:0;font-size:22px}
.steps h4{margin-bottom:4px}
.steps p{color:var(--sub);font-size:15.5px}

/* ---------- 三样东西 ---------- */
.three{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.three > div{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:24px 24px 22px}
.three .n{font-family:var(--font-mono);font-size:12px;color:var(--zhu);letter-spacing:.12em}
.three h3{margin:8px 0 12px;font-size:20px}
.three svg{width:100%;height:auto;margin:6px 0 12px}
.three p{color:var(--sub);font-size:15px}
.three ul{list-style:none;color:var(--sub);font-size:15px;display:grid;gap:5px;margin-top:8px}
.three li::before{content:"—";color:var(--line-2);margin-right:8px}
.freeline{margin-top:22px;padding:16px 20px;border-left:3px solid var(--ink);background:var(--panel);border-radius:0 8px 8px 0;font-size:15.5px;color:var(--sub)}
.freeline b{color:var(--ink);font-weight:600}

/* ---------- 价卡 ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:26px 26px 24px;position:relative;box-shadow:var(--shadow);display:flex;flex-direction:column}
.card.hi{border-color:var(--zhu)}
.card.hi::before{content:"";position:absolute;left:-1px;right:-1px;top:-1px;height:3px;background:var(--zhu);border-radius:10px 10px 0 0}
.card .name{font-family:var(--font-head);font-weight:700;font-size:18px}
.card .amt{margin:12px 0 4px;font-size:34px;font-weight:600;letter-spacing:-.01em}
.card .amt small{font-size:14px;font-weight:400;color:var(--mute);margin-left:4px}
.card .per{font-size:13.5px;color:var(--mute);min-height:1.6em}
.card ul{list-style:none;margin:18px 0 22px;display:grid;gap:7px;font-size:15px;color:var(--sub);flex:1}
.card li::before{content:"—";color:var(--line-2);margin-right:8px}
.card li.off{color:var(--mute)}
.seg{display:inline-flex;border:1px solid var(--line-2);border-radius:6px;overflow:hidden;margin:8px 0 2px;align-self:flex-start}
.seg button{border:0;background:transparent;color:var(--sub);font:inherit;font-size:13px;padding:5px 12px;cursor:pointer}
.seg button.on{background:var(--ink);color:var(--paper)}

/* ---------- 折叠问答 ---------- */
.qa{border-top:1px solid var(--line)}
.qa:last-child{border-bottom:1px solid var(--line)}
.qa summary{list-style:none;cursor:pointer;padding:18px 36px 18px 0;font-weight:600;font-size:17px;position:relative}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{content:"+";position:absolute;right:4px;top:14px;font-family:var(--font-mono);font-size:22px;color:var(--mute);font-weight:400}
.qa[open] summary::after{content:"–"}
.qa .a{padding:0 0 22px;color:var(--sub);font-size:16px;max-width:44em}
.qa .a p + p{margin-top:10px}
.qa .a table{margin-top:12px}
.qa .a .tbl{font-size:14.5px}
.qa .a b{color:var(--ink);font-weight:600}
.group{margin-top:48px}
.group h3{font-family:var(--font-mono);font-size:12.5px;letter-spacing:.08em;color:var(--sub);font-weight:500;margin-bottom:6px}
.group h3::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--zhu);margin-right:10px;vertical-align:middle}

/* ---------- 下载块 ---------- */
.dl{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.dl > div{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:24px 26px}
.dl h3{font-size:19px;margin-bottom:6px}
.dl .fn{font-family:var(--font-mono);font-size:13.5px;color:var(--sub);margin-bottom:12px;word-break:break-all}
.dl .fn b{color:var(--ink);font-weight:500}
.sha{font-family:var(--font-mono);font-size:12.5px;word-break:break-all;color:var(--sub);background:var(--paper);border:1px solid var(--line);border-radius:6px;padding:10px 12px;display:flex;gap:12px;align-items:flex-start}
.sha button{flex:none;font:inherit;font-size:12px;border:1px solid var(--line-2);background:transparent;color:var(--ink);border-radius:4px;padding:2px 8px;cursor:pointer}
.sha button:hover{border-color:var(--ink)}
.dl .act{margin-top:14px;display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.cmd{font-family:var(--font-mono);font-size:13.5px;background:var(--panel);border:1px solid var(--line);border-radius:6px;padding:12px 14px;margin-top:14px;display:flex;justify-content:space-between;gap:12px;align-items:center;overflow-x:auto}
.cmd button{flex:none;font:inherit;font-size:12px;border:1px solid var(--line-2);background:transparent;color:var(--ink);border-radius:4px;padding:2px 8px;cursor:pointer}
.warnline{border-left:3px solid var(--warn);padding:12px 16px;font-size:15px;color:var(--sub);background:var(--panel);border-radius:0 8px 8px 0;margin-top:20px}
.warnline b{color:var(--ink);font-weight:600}
.pack{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:24px 26px;max-width:820px}

/* ---------- 三重时间轴（策源） ---------- */
.tri svg{width:100%;height:auto}

/* ---------- 关于 ---------- */
.about{display:grid;grid-template-columns:1.3fr 1fr;gap:56px;align-items:start}
.about .qr-big{width:180px;height:180px;border:1px solid var(--line);border-radius:8px}
.kv{font-size:15.5px}
.kv div{display:grid;grid-template-columns:120px 1fr;gap:16px;padding:10px 0;border-bottom:1px solid var(--line)}
.kv div:last-child{border-bottom:0}
.kv dt{color:var(--mute)}
.kv dd{margin:0;color:var(--sub)}
.kv dd b{color:var(--ink);font-weight:600}

/* ---------- 账号区 ---------- */
.acct{padding:40px 0 88px}
.acct-nav{display:flex;gap:22px;align-items:center;font-size:15px;border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:28px}
.acct-nav a{padding:4px 0;border-bottom:2px solid transparent;color:var(--sub)}
.acct-nav a:hover,.acct-nav a[aria-current="page"]{color:var(--ink);border-color:var(--zhu)}
.acct-nav .logout{margin-left:auto}
.acct-nav .logout button{border:0;background:transparent;color:var(--mute);font:inherit;font-size:14px;cursor:pointer;padding:0}
.acct-nav .logout button:hover{color:var(--ink)}
.acct-head{margin-bottom:26px}
.acct-head h1{font-size:32px;margin:12px 0 10px;overflow-wrap:anywhere}
.acct-head .lede{font-size:16.5px}
.auth{max-width:460px;margin:0 auto;padding-top:24px}
.auth h1{font-size:30px;margin:12px 0 18px}
.auth .aux{margin-top:18px;font-size:14.5px;color:var(--sub);text-align:center}
.auth .fine{margin-top:22px;font-size:13.5px;color:var(--mute);text-align:center}
.auth .fine b{color:var(--sub);font-weight:600}
.card{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:24px 26px;margin-bottom:20px}
.card h2{font-size:20px;margin-bottom:6px}
.card-hd{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:12px;flex-wrap:wrap}
.card-hd .sub{font-size:14px}
.notice{border-left:3px solid var(--line-2);background:var(--panel);border-radius:0 8px 8px 0;padding:12px 16px;font-size:15px;color:var(--sub);margin-bottom:18px}
.notice b{color:var(--ink);font-weight:600}
.notice.ok{border-color:var(--ok)}.notice.warn{border-color:var(--warn)}.notice.info{border-color:var(--sub)}.notice.bad{border-color:var(--bad)}
.notice .inline{display:inline;margin-left:8px}
.chip{display:inline-block;font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;padding:2px 8px;border:1px solid var(--line-2);border-radius:4px;color:var(--sub);vertical-align:middle;margin-left:8px;line-height:1.6;font-weight:400}
.chip.ok{border-color:var(--ok);color:var(--ok)}.chip.warn{border-color:var(--warn);color:var(--warn)}.chip.info{border-color:var(--sub);color:var(--sub)}.chip.bad{border-color:var(--bad);color:var(--bad)}.chip.mute{color:var(--mute)}
.form .field{display:grid;gap:6px;margin-bottom:16px}
.form label{font-size:14px;color:var(--sub)}
.form input,.form select{height:44px;border:1px solid var(--line-2);border-radius:6px;padding:0 12px;font:inherit;font-size:15px;background:var(--panel);color:var(--ink);width:100%}
.form input:focus,.form select:focus{border-color:var(--ink);outline:none}
.form .hint{margin-top:2px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.hint{font-size:13.5px;color:var(--mute)}
.btns{display:flex;gap:10px;flex-wrap:wrap;margin-top:8px}
.btn-block{width:100%}
.inline{display:inline}
.deck{display:grid;grid-template-columns:1.35fr 1fr;gap:28px;padding:26px 28px;background:var(--panel);border:1px solid var(--line);border-radius:10px;margin-bottom:20px;align-items:start}
.deck .lk{height:34px;width:auto;margin-bottom:14px}
.deck h2{font-size:22px;margin-bottom:12px}
.deck .metric .k{font-size:13px;color:var(--mute)}
.deck .metric .v{font-size:28px;font-weight:600;line-height:1.2;margin:2px 0 12px}
.deck .metric small{font-size:14px;color:var(--mute);margin-left:10px;font-weight:400}
.deck .say{color:var(--sub);font-size:15px}
.deck .say b{color:var(--ink);font-weight:600}
.deck .act{display:flex;flex-direction:column;gap:10px;align-items:flex-start;padding-top:48px}
.deck .act .btn{min-width:180px}
.deck .fn{font-size:13.5px;color:var(--sub);margin:4px 0 10px;word-break:break-all}
.osteps{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;list-style:none}
.osteps li{padding:12px 14px 10px;border-top:3px solid var(--line-2);font-size:13.5px;color:var(--mute)}
.osteps li::before{content:none}
.osteps li.done{border-color:var(--ok);color:var(--sub)}
.osteps li.now{border-color:var(--zhu);color:var(--ink)}
.osteps .n{font-family:var(--font-mono);font-size:12px;display:block}
.osteps .t{font-weight:600;display:block;margin:2px 0;font-size:15px}
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.plan{position:relative;width:100%;text-align:left;background:var(--panel);border:1px solid var(--line-2);border-radius:10px;padding:22px 22px 18px;cursor:pointer;font:inherit;color:var(--ink);display:grid;gap:6px;transition:border-color .2s}
.plan:hover{border-color:var(--ink)}
.plan.hi{border-color:var(--zhu)}
.plan .tag{position:absolute;right:14px;top:14px;margin:0}
.plan .pn{font-family:var(--font-head);font-weight:700;font-size:18px}
.plan .pp{font-size:30px;font-weight:600}
.plan .pp small{font-size:14px;color:var(--mute);font-weight:400;margin-left:4px}
.plan .pm{font-size:13.5px;color:var(--sub)}
.plan .go{color:var(--zhu);font-size:14px;margin-top:8px}
.pay{display:grid;grid-template-columns:240px 1fr;gap:30px;align-items:start}
.qr{width:220px;height:220px;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#fff;display:grid;place-items:center}
.qr img{width:220px;height:220px}
.qr.empty{color:var(--mute);font-size:14px;text-align:center;padding:16px}
.qr-cap{font-size:13px;color:var(--mute);margin-top:8px}
.amount{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.amount .num{font-size:40px;font-weight:600;letter-spacing:-.01em}
.amount .cents{color:var(--zhu)}
.pay-rule{margin-top:10px;font-size:15px;color:var(--sub)}
.pay-rule b{color:var(--ink);font-weight:600}
.sep{border:0;border-top:1px solid var(--line);margin:18px 0}
.pay h3{font-size:17px}
.kvt{width:100%;font-size:15px}
.kvt th{text-align:left;color:var(--mute);font-weight:500;width:120px;padding:8px 0;vertical-align:top}
.kvt td{padding:8px 0;color:var(--sub)}
.kvt td b{color:var(--ink);font-weight:600}
.tbl-wrap{overflow-x:auto}
.tbl-wrap .tbl th,.tbl-wrap .tbl td{white-space:nowrap}

/* ---------- 运维区 ---------- */
.todo{list-style:none;display:grid;gap:10px}
.todo li a{display:grid;gap:4px;padding:14px 18px;background:var(--panel);border:1px solid var(--line);border-left:4px solid var(--line-2);border-radius:0 8px 8px 0;color:var(--ink)}
.todo li a:hover{border-color:var(--ink)}
.todo li.bad a{border-left-color:var(--bad)}.todo li.warn a{border-left-color:var(--warn)}.todo li.info a{border-left-color:var(--sub)}
.todo li a span{font-size:14.5px;color:var(--sub)}
.filters{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:18px}
.pill{font-size:13.5px;padding:5px 12px;border:1px solid var(--line-2);border-radius:999px;color:var(--sub)}
.pill.on{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.filters .search{margin-left:auto;display:flex;gap:8px}
.filters .search input{height:36px;border:1px solid var(--line-2);border-radius:6px;padding:0 10px;font:inherit;font-size:14px;background:var(--panel);color:var(--ink);width:220px}
.funnel{display:flex;flex-wrap:wrap;align-items:center;gap:4px 0;margin-bottom:18px}
.funnel .st{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:10px 14px;min-width:92px}
.funnel .st .v{font-size:22px;font-weight:600;font-variant-numeric:tabular-nums;line-height:1.1}
.funnel .st .k{font-size:12px;color:var(--mute);margin-top:4px}
.funnel .ar{padding:0 7px;color:var(--mute);font-size:14px}
.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-bottom:20px}
.tiles>div{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:14px 16px}
.tiles .k{font-size:12.5px;color:var(--mute)}
.tiles .v{font-size:24px;font-weight:600;margin-top:2px;font-variant-numeric:tabular-nums}
.tiles .v.sm{font-size:18px;white-space:nowrap;letter-spacing:.02em}
.chart svg{width:100%;height:120px;display:block}
.chart-x{display:flex;justify-content:space-between;font-size:11px;color:var(--mute);margin-top:6px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.acts{display:grid;gap:14px}
.inline-form{display:grid;grid-template-columns:1fr 2fr auto;gap:12px;align-items:end;padding:12px 0;border-top:1px dashed var(--line)}
.inline-form .field{margin:0}
.pre{font-family:var(--font-mono);font-size:12.5px;background:var(--paper);border:1px solid var(--line);border-radius:6px;padding:12px 14px;white-space:pre-wrap;word-break:break-all;color:var(--sub)}
.form textarea{border:1px solid var(--line-2);border-radius:6px;padding:10px 12px;font:inherit;font-size:15px;background:var(--panel);color:var(--ink);width:100%;line-height:1.6}
.form textarea:focus{border-color:var(--ink);outline:none}
.log{padding:22px 0;border-top:1px solid var(--line)}
.log-h{display:flex;gap:14px;align-items:center;margin-bottom:8px;font-size:15px;flex-wrap:wrap}
.log-h>*{white-space:nowrap}
.log-h .tag{margin-left:0}
.log ul{list-style:none;display:grid;gap:6px;color:var(--sub)}
.log li{padding-left:16px;position:relative}
.log li::before{content:"";position:absolute;left:0;top:.7em;width:6px;height:6px;background:var(--zhu);border-radius:1px}
@media (max-width:900px){.grid2,.inline-form{grid-template-columns:1fr}.filters .search{margin-left:0;width:100%}.filters .search input{flex:1;width:auto}}

/* ---------- 响应 ---------- */
@media (max-width:1000px){
  .notfor{grid-template-columns:repeat(2,1fr)}
  .pages{grid-template-columns:repeat(2,1fr)}
  .foot .cols{grid-template-columns:1fr 1fr 1fr}
}
@media (max-width:1000px){
  .steps.cols4{grid-template-columns:repeat(2,1fr)}
  .three{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr}
}
@media (max-width:900px){
  h1{font-size:34px} h2{font-size:26px} h3{font-size:19px}
  .head{padding:48px 0 28px}
  .dl,.about,.deck,.pay,.form-row,.plans{grid-template-columns:1fr}
  .deck .act{padding-top:0}
  .osteps{grid-template-columns:1fr 1fr}
  .acct-nav{gap:16px;font-size:14px;flex-wrap:wrap}
  .acct-head h1{font-size:26px}
  .steps.cols4{grid-template-columns:1fr}
  .kv div{grid-template-columns:96px 1fr}
  body{font-size:16px}
  .hero{padding:56px 0 44px}
  .hero .wrap,.prod,.stance,.fee2,.flow,.gal,.day-row,.day-row:nth-child(even){grid-template-columns:1fr}
  .gal > div > p{min-height:0}
  .day-row:nth-child(even) .day-txt{order:0}
  .prod > *:first-child{order:0}
  .prod > .shot-fig{order:1}
  .strip{grid-auto-columns:minmax(85vw,1fr)}
  .nav{display:none}
  .mnav{display:block}
  .sec{padding:64px 0}
  .figure{padding:20px}
  .tbl td:first-child{white-space:normal}
  .tbl-scroll .tbl{min-width:640px}
  .tbl-scroll::before{content:"左右滑动查看完整对照 →";display:block;position:sticky;left:0;font-family:var(--font-mono);font-size:12px;color:var(--sub);padding:0 2px 12px}
  .tbl-scroll .tbl td:first-child,.tbl-scroll .tbl th:first-child{position:sticky;left:0;z-index:1;background:var(--panel);box-shadow:1px 0 var(--line);min-width:140px}
  .wrap{padding:0 16px}
}
@media (max-width:600px){
  .notfor,.pages{grid-template-columns:1fr}
  .foot .cols{grid-template-columns:1fr 1fr}
  .stance{gap:28px}
}
.tbl-wrap .tbl td:first-child,.tbl-wrap .tbl td.mono{white-space:nowrap}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
@media print{.top,.theme,.mnav,.cta{display:none}.sec{padding:24px 0}}

/* ---------- 2026-09 · 产品展示与首次使用 ---------- */
:root{--wrap:1280px;--mute:#64758A;--paper:#F7F8FA}
:root[data-theme="dark"]{--mute:#9BADBF}
[hidden]{display:none!important}
[id]{scroll-margin-top:96px}
.top .wrap{height:72px;gap:24px}
.nav{gap:22px;font-size:14px}
.nav .nav-register,.nav .nav-account{padding:8px 14px;border:1px solid var(--line-2);border-radius:5px;background:var(--panel)}
.nav .nav-register:hover{border-color:var(--ink)}
.nav-register span{margin-left:6px;color:var(--zhu)}
.mnav ul{top:72px}
.mnav-account{display:flex;gap:28px}
.mnav-account a{flex:1}
.mnav-account a:last-child{color:var(--zhu)}
.btn{height:48px;border-radius:5px;gap:14px}
.btn-sm{height:36px}
.hero-home{padding:86px 0 82px}
.hero-home .wrap{grid-template-columns:.86fr 1.16fr;gap:50px}
.hero-home h1{font-size:clamp(36px,3.4vw,49px);line-height:1.32;letter-spacing:-.025em;margin:20px 0 24px;text-wrap:initial}
.hero-home .lede{font-size:17px;line-height:1.9;max-width:28em}
.hero-home .cta{gap:10px;margin:28px 0 20px}
.hero-home .cta .btn{padding:0 17px;font-size:14px}
.hero-home .facts{font-size:12.5px}
.hero-entitlement{font-size:12.5px;color:var(--sub);margin-top:12px;max-width:34em;line-height:1.8}
.hero-entitlement .lnk{margin:0 3px}
.hero-product{padding:14px 14px 0;border:1px solid var(--line-2);background:var(--panel);border-radius:12px;box-shadow:0 16px 42px rgba(14,27,46,.055);min-width:0}
.product-label{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:0 2px 12px;font-size:11px;color:var(--sub)}
.product-label>span:first-child{font-weight:600;color:var(--ink);font-size:12px;display:flex;align-items:center;gap:8px}
.product-label i{width:5px;height:5px;border-radius:50%;background:var(--zhu)}
.hero-product .shot{border-radius:5px;box-shadow:none}
.hero-product .cap{font-size:10.5px;gap:3px 8px;margin-top:10px}
.hero-observations{display:flex;gap:0;border-top:1px solid var(--line);margin-top:13px;font-size:11px;color:var(--sub)}
.hero-observations span{flex:1;text-align:center;padding:11px 5px}
.hero-observations span+span{border-left:1px solid var(--line)}
.section-intro{display:flex;justify-content:space-between;align-items:end;gap:40px;margin-bottom:38px}
.section-intro h2{font-size:34px;line-height:1.4;margin-top:16px;letter-spacing:-.025em}
.section-intro>p{max-width:25em;color:var(--sub);font-size:16px;line-height:1.85}
.section-intro>.lnk{flex:none;font-size:14px}
.home-workflow{background:var(--panel);padding:72px 0 76px}
.workflow-tabs{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-bottom:32px}
.workflow-tabs button{font:inherit;background:none;border:0;border-bottom:2px solid transparent;padding:19px 20px;text-align:left;color:var(--sub);cursor:pointer}
.workflow-tabs button+button{border-left:1px solid var(--line)}
.workflow-tabs span{display:block;font-family:var(--font-mono);font-size:11.5px;margin-bottom:6px}
.workflow-tabs b{font-size:17px;font-weight:600}
.workflow-tabs [aria-selected="true"]{color:var(--ink);border-bottom-color:var(--zhu);background:var(--zhu-soft)}
.workflow-tabs [aria-selected="true"] span{color:var(--zhu)}
.workflow-panel{display:grid;grid-template-columns:.64fr 1.36fr;gap:42px;align-items:center;padding:6px 0}
.workflow-panel+.workflow-panel{margin-top:28px}
.workflow.enhanced .workflow-panel{margin-top:0}
.eyebrow{color:var(--zhu);font-size:12px;font-family:var(--font-mono);letter-spacing:.05em}
.workflow-copy h3{font-size:24px;line-height:1.5;margin:12px 0 16px}
.workflow-copy>p{font-size:15px;color:var(--sub);max-width:24em}
.observations{list-style:none;font-size:13.5px;color:var(--sub);display:grid;gap:9px;margin:22px 0}
.observations li{display:flex;align-items:center;gap:10px}
.observations li::before{content:"";width:4px;height:4px;background:var(--zhu);flex:none}
.workflow-copy>.lnk{font-size:13px}
.shot{display:block;position:relative;cursor:zoom-in}
.shot-hint{position:absolute;right:10px;bottom:10px;background:#F7F8FA;color:#0E1B2E;border:1px solid #CBD3DE;border-radius:4px;font:500 11px/1.4 var(--font-ui);padding:6px 9px;box-shadow:0 2px 6px #0002}
.shot:hover,.shot:focus-visible{border-color:var(--sub)}
.cap{line-height:1.7;font-size:11.5px}
.evidence-section{padding:70px 0}
.evidence-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:36px}
.evidence-grid article{padding:22px 0 0;border-top:1px solid var(--line-2)}
.evidence-mark{font-family:var(--font-mono);color:var(--zhu);font-size:10px;letter-spacing:.13em}
.evidence-grid h3{font-size:20px;margin:14px 0 12px}
.evidence-grid p{font-size:15px;color:var(--sub);line-height:1.9;max-width:24em;min-height:5.7em;margin-bottom:18px}
.evidence-grid a{font-size:13px}
.fee2 .col{padding:28px 32px;box-shadow:none}
.fee2 dt{font-size:12px}
.fee2 dd{font-size:15px}
.fee2 dl{gap:9px}
.section-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:24px;font-size:14px;color:var(--sub)}
.origin-teaser{background:var(--panel)}
.origin-teaser>.wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:72px;align-items:center}
.origin-teaser h2{font-size:34px;line-height:1.4;margin:20px 0}
.origin-teaser-copy>p{font-size:16px;line-height:1.9;color:var(--sub);max-width:29em}
.origin-status{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin:24px 0;font-size:12px;color:var(--sub)}
.origin-status .tag{margin:0}
.origin-teaser .lnk{font-size:14px}
.start-section{padding:68px 0;border-top:1px solid var(--line)}
.start-section>.wrap{display:flex;justify-content:space-between;align-items:center;gap:36px}
.start-section h2{font-size:32px;margin:14px 0}
.start-section p{font-size:15px;color:var(--sub)}
.start-actions{flex:none;text-align:right}
.start-actions p{font-size:13px;margin-top:16px}
.compact-head{padding:58px 0 32px}
.compact-head h1{font-size:38px;letter-spacing:-.02em;line-height:1.4}
.compact-head .lede{font-size:17px}
.download-main{padding:0 0 52px}
.download-steps{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
.download-step{min-width:0;padding:30px 32px;background:var(--panel);border:1px solid var(--line-2);border-radius:10px}
.step-heading{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--sub);margin-bottom:24px}
.step-number{font-family:var(--font-mono);font-size:12px;color:var(--zhu);border:1px solid var(--line-2);width:30px;height:30px;display:grid;place-items:center;border-radius:50%}
.release-tag{margin-left:auto;font-family:var(--font-mono);font-size:11px;color:var(--sub);background:var(--panel-2);border-radius:4px;padding:3px 9px}
.download-step h2{font-size:25px;margin-bottom:16px}
.download-description{font-size:15px;color:var(--sub);line-height:1.8;min-height:3.6em}
.download-meta{display:flex;flex-wrap:wrap;gap:6px 16px;font-size:12px;color:var(--sub);margin:20px 0}
.download-step>.btn{width:100%;justify-content:space-between}
.download-caveat{font-size:12px;color:var(--sub);margin:13px 0 22px;line-height:1.8}
.download-details{border-top:1px solid var(--line);margin-top:16px;font-size:13px}
.download-details summary{cursor:pointer;padding:12px 0;color:var(--sub)}
.download-details>div{padding:2px 0 14px;color:var(--sub)}
.download-details .sha{margin:12px 0;font-size:11px;line-height:1.7}
.download-details .cmd{font-size:11px;white-space:normal;overflow-wrap:anywhere;margin-bottom:12px}
.filename{font-family:var(--font-mono);font-size:12px;overflow-wrap:anywhere}
.import-steps{font-size:13px;color:var(--sub);padding-left:20px;margin:20px 0;display:grid;gap:8px;line-height:1.8}
code{font-family:var(--font-mono);font-size:.9em;overflow-wrap:anywhere}
.download-next{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:24px 0 0;margin-top:26px;border-top:1px solid var(--line)}
.download-next b{font-size:15px;font-weight:600}
.download-next p{font-size:13px;color:var(--sub);margin-top:4px}
.download-next>.lnk{flex:none;font-size:14px}
.download-help{padding:55px 0 64px}
.download-help .section-intro h2{font-size:30px}
.release-list{list-style:none;margin-top:15px}
.release-list li{display:flex;gap:20px;font-size:13px;padding:8px 0;border-top:1px solid var(--line)}
.pricing-cards{grid-template-columns:1fr 1fr;max-width:960px;margin:auto}
.pricing-cards .card{padding:30px 34px;box-shadow:none}
.pricing-cards .name{display:flex;justify-content:space-between}
.pricing-cards .plan-purpose{font-size:14px;color:var(--sub);margin:8px 0 4px}
.pricing-cards .amt{font-size:42px;margin-top:18px}
.pricing-cards ul{gap:10px;margin:22px 0}
.pricing-cards .plan-summary{min-height:53px;padding-top:43px}
.purchase-note{max-width:960px;margin:18px auto 0;font-size:13px;color:var(--sub)}
.origin-price{display:flex;align-items:center;justify-content:space-between;gap:40px;background:var(--panel);padding:30px 34px;border:1px solid var(--line-2);border-radius:8px}
.origin-price h3{margin:8px 0 12px;font-size:24px}
.origin-price p{font-size:15px;color:var(--sub);max-width:42em}
.origin-price-actions{flex:none;text-align:right}
.origin-price-actions b{display:block;font-size:28px;margin-bottom:6px}
.origin-price-actions p{font-size:12px;margin-bottom:18px}
.detail-disclosure{border:1px solid var(--line-2);border-radius:8px;padding:0 24px;background:var(--panel)}
.detail-disclosure>summary{cursor:pointer;padding:22px 0;font-size:15px;font-weight:600}
.detail-disclosure>div{padding:0 0 28px}
.auth-layout{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center;max-width:1030px;margin:36px auto 0}
.auth-story{padding:24px 0}
.auth-story h2{font-size:38px;line-height:1.45;letter-spacing:-.02em;margin:22px 0}
.auth-story>p{font-size:16px;color:var(--sub);max-width:28em}
.auth-benefits{list-style:none;margin:32px 0;display:grid;gap:22px}
.auth-benefits li{display:grid;grid-template-columns:30px 1fr;gap:12px;border-top:1px solid var(--line);padding-top:17px}
.auth-benefits .num{font-family:var(--font-mono);font-size:11px;color:var(--zhu);padding-top:5px}
.auth-benefits b{font-size:15px;font-weight:600}
.auth-benefits p{font-size:13px;color:var(--sub);margin-top:4px}
.auth-layout .auth{width:100%;padding:28px 32px;background:var(--panel);border:1px solid var(--line-2);border-radius:10px;max-width:440px}
.auth-layout .auth h1{font-size:29px;line-height:1.4;margin:12px 0}
.auth-layout .auth .card{padding:0;border:0;box-shadow:none;margin:22px 0 0}
.auth-layout .auth .fine{font-size:12px;color:var(--sub);text-align:left;line-height:1.8}
.auth-layout .auth .aux{font-size:14px}
.auth-description{color:var(--sub);font-size:14px;line-height:1.8}
.auth-tabs{display:flex;gap:20px;margin-bottom:26px;border-bottom:1px solid var(--line)}
.auth-tabs a{font-size:14px;padding:0 0 12px;color:var(--sub);border-bottom:2px solid transparent;margin-bottom:-1px}
.auth-tabs [aria-current="page"]{color:var(--ink);border-color:var(--zhu);font-weight:600}
.password-field{position:relative}
.password-field input{padding-right:66px}
.password-field button{position:absolute;right:8px;top:5px;height:34px;border:0;background:transparent;color:var(--sub);font:inherit;font-size:12px;padding:0 8px;cursor:pointer}
.form input:focus-visible,.form select:focus-visible,.form textarea:focus-visible{outline:2px solid var(--zhu);outline-offset:2px}
.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}
.plan-fieldset{border:0;padding:0;margin:0;min-width:0}
.workflow:not(.enhanced) .workflow-tabs{display:none}
.purchase-form .plans{margin:24px 0}
.plan-option{position:relative;display:flex;cursor:pointer;min-width:0}
.plan-option input{position:absolute;top:24px;left:20px;z-index:1;accent-color:var(--zhu);width:18px;height:18px}
.plan-option .plan{display:grid;padding-left:50px;height:100%;border-color:var(--line-2)}
.plan-option input:checked+.plan{border-color:var(--zhu);background:var(--zhu-soft)}
.plan-option input:focus-visible+.plan{outline:2px solid var(--zhu);outline-offset:3px}
.purchase-confirm{display:flex;justify-content:space-between;align-items:center;gap:24px;background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:24px}
.purchase-confirm p{font-size:14px;color:var(--sub)}
.purchase-confirm b{color:var(--ink)}
.purchase-confirm .btn{flex:none}
.image-viewer{width:calc(100vw - 48px);max-width:1700px;height:calc(100dvh - 48px);max-height:none;padding:0;border:1px solid var(--line-2);border-radius:10px;background:var(--panel);color:var(--ink);overflow:hidden}
.image-viewer[open]{display:flex;flex-direction:column}
.image-viewer::backdrop{background:rgba(5,11,19,.85)}
.viewer-bar{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:16px 22px;border-bottom:1px solid var(--line);flex:none}
.viewer-bar b{font-size:14px;font-weight:600;display:block;max-width:65ch}
.viewer-bar p{font-size:11px;color:var(--sub);margin-top:4px}
.viewer-actions{display:flex;gap:8px;flex:none}
.viewer-actions button{font:inherit;font-size:12px;background:var(--paper);border:1px solid var(--line-2);border-radius:4px;color:var(--ink);padding:8px 12px;cursor:pointer}
.viewer-canvas{flex:1;min-height:0;min-width:0;overflow:auto;display:grid;place-items:center;padding:20px;background:var(--panel-2)}
.viewer-canvas img{width:auto;height:auto;max-width:100%;max-height:100%;object-fit:contain}
.image-viewer.is-zoomed .viewer-canvas{display:block}
.image-viewer.is-zoomed img{width:1800px;max-width:none;max-height:none}
html.viewer-open{overflow:hidden}
@media(max-width:1100px){.nav{display:none}.mnav{display:block}.top .wrap{gap:16px}.hero-home .wrap{gap:28px}.hero-home h1{font-size:38px}.workflow-panel{gap:26px}.workflow-copy h3{font-size:21px}.auth-layout{gap:44px}}
@media(max-width:900px){
  .hero-home{padding:44px 0 48px}.hero-home .wrap{grid-template-columns:1fr;gap:32px}.hero-home h1{font-size:38px}.hero-home .lede{max-width:35em}.hero-copy{max-width:620px}.hero-product{max-width:720px;width:100%}
  .section-intro{align-items:start;gap:20px}.section-intro h2{font-size:29px}.section-intro>p{font-size:15px;max-width:22em}
  .workflow-panel{grid-template-columns:1fr;gap:24px}.workflow-copy h3 br{display:none}.workflow-copy h3{font-size:23px}.workflow-copy>p{max-width:40em}.observations{display:flex;flex-wrap:wrap;gap:8px 20px;margin:16px 0}.workflow-copy>.lnk{display:inline-block}.workflow-tabs button{padding:16px 12px}.workflow-tabs b{font-size:15px}
  .origin-teaser>.wrap{gap:34px;grid-template-columns:1fr 1fr}.origin-teaser h2{font-size:28px}.evidence-grid{gap:22px}.evidence-grid h3{font-size:18px}
  .download-steps{gap:18px}.download-step{padding:24px}.download-step h2{font-size:22px}.download-description{min-height:5.4em}.compact-head h1{font-size:32px}
  .pricing-cards{grid-template-columns:1fr 1fr}.pricing-cards .card{padding:24px}.pricing-cards .amt{font-size:34px}
  .auth-layout{grid-template-columns:1fr;gap:28px;margin-top:0}.auth-story{display:none}.auth-layout .auth{max-width:480px}.purchase-confirm{align-items:stretch;flex-direction:column}
}
@media(max-width:600px){
  :root{--gutter:20px}.top .wrap{height:64px;gap:12px}.mnav ul{top:64px}.brand small{font-size:10px}.hero-home{padding-top:35px}.hero-home h1{font-size:32px;margin:18px 0}.hero-home .lede{font-size:15px;line-height:1.9}.hero-home .cta{margin:24px 0 17px}.hero-home .cta .btn{font-size:12px;padding:0 13px;gap:8px}.hero-home .facts{font-size:11px}.hero-entitlement{font-size:11.5px}.hero-product{padding:9px 9px 0;border-radius:8px}.product-label{font-size:9px;gap:5px}.product-label>span:first-child{font-size:11px}.hero-product .cap{font-size:9px}.hero-observations{font-size:10px}.hero-observations span{padding:9px 2px}
  .section-intro{display:block;margin-bottom:26px}.section-intro h2{font-size:27px;line-height:1.45}.section-intro>p{margin-top:16px;font-size:14px;max-width:none}.section-intro>.lnk{display:inline-block;margin-top:18px}
  .home-workflow,.evidence-section{padding:48px 0}.workflow-tabs{gap:0;margin-bottom:24px}.workflow-tabs button{padding:14px 8px}.workflow-tabs span{font-size:10px}.workflow-tabs b{font-size:12px}.workflow-copy h3{font-size:21px}.workflow-copy>p{font-size:14px}.observations{display:grid;gap:7px;font-size:12px}.workflow-copy>.lnk{font-size:12px}.workflow-panel{gap:22px}.shot-hint{font-size:10px;right:7px;bottom:7px;padding:5px 7px}.cap{font-size:10px}
  .evidence-grid{grid-template-columns:1fr;gap:24px}.evidence-grid article{padding-top:18px}.evidence-grid h3{font-size:20px;margin:9px 0}.evidence-grid p{min-height:0;font-size:14px;max-width:none;margin-bottom:12px}
  .fee2{gap:16px}.fee2 .col{padding:23px}.fee2 dd{font-size:14px}.section-bottom{flex-direction:column;gap:10px;font-size:13px}.origin-teaser>.wrap{grid-template-columns:1fr;gap:28px}.origin-teaser h2{font-size:27px}.origin-teaser-copy>p{font-size:14px}.origin-status{font-size:11px;margin:20px 0}
  .start-section{padding:44px 0}.start-section>.wrap{display:block}.start-section h2{font-size:27px}.start-section p{font-size:14px}.start-actions{text-align:left;margin-top:25px}.start-actions p{font-size:13px}
  .compact-head{padding:36px 0 25px}.compact-head h1{font-size:28px;line-height:1.4}.compact-head .lede{font-size:14px;line-height:1.85}.download-steps{grid-template-columns:1fr;gap:20px}.download-step{padding:22px}.step-heading{margin-bottom:18px;font-size:12px}.download-step h2{font-size:23px;margin-bottom:12px}.download-description{min-height:0;font-size:14px}.download-meta{font-size:11px;margin:16px 0}.download-step>.btn{font-size:14px}.download-caveat{font-size:11.5px}.download-details summary{font-size:12px}.import-steps{font-size:12px}.download-next{display:block;margin-top:20px}.download-next>.lnk{display:inline-block;margin-top:12px}.download-help{padding:40px 0}.download-help .section-intro h2{font-size:26px}.download-help .qa summary{font-size:15px}.download-help .qa .a{font-size:14px}.download-help .tbl{font-size:12px}.download-help .tbl td{padding:12px 10px}.release-list li{gap:12px;font-size:11px}
  .pricing-cards{grid-template-columns:1fr}.pricing-cards .card{padding:24px}.pricing-cards .plan-summary{min-height:0}.purchase-note{font-size:12px}.origin-price{display:block;padding:24px}.origin-price-actions{text-align:left;margin-top:24px}.origin-price h3{font-size:22px}.origin-price p{font-size:14px}.detail-disclosure{padding:0 16px}.detail-disclosure>summary{font-size:14px}
  .acct{padding-top:24px}.auth-layout .auth{padding:24px 22px}.auth-layout .auth h1{font-size:27px}.auth-tabs{margin-bottom:22px}.auth-layout .auth .fine{font-size:11.5px}.auth-description{font-size:13px}.purchase-form .plans{gap:12px}.purchase-form .plan{padding-top:18px;padding-bottom:18px}.plan-option input{top:22px}.purchase-confirm{padding:20px}
  .image-viewer{width:calc(100vw - 16px);height:calc(100dvh - 24px);border-radius:8px}.viewer-bar{display:block;padding:12px}.viewer-bar b{font-size:12px}.viewer-bar p{font-size:10px}.viewer-actions{margin-top:10px}.viewer-actions button{font-size:11px}.viewer-canvas{padding:8px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media(max-width:600px){.pricing-cards .plan-summary{padding-top:0}}

/* ---------- 2026-09-23 · 布局微调（四处） ---------- */
/* 定价价卡与标题、目录左对齐 */
.pricing-cards{margin:0}
.purchase-note{margin-left:0}
/* 一段只放一个折叠条：段距压一半 */
.sec:has(> .wrap > .detail-disclosure){padding:52px 0}
.sec:has(> .wrap > .detail-disclosure) .sec-h{margin-bottom:22px}
/* 产品卡首屏里的标志：与卡片顶部对齐 */
.hero-home .hero-lockup{margin-bottom:14px}

/* ---------- 2026-09-23 · 页脚布局 ---------- */
.foot{padding:52px 0 26px}
.foot .cols{grid-template-columns:1.7fr .9fr 1.05fr .9fr 1.25fr;gap:32px 28px;align-items:start}
.foot .brand{margin-bottom:14px}
.foot-about{max-width:22em;line-height:1.85}
.foot h4{margin-bottom:12px}
.foot ul{gap:8px}
.foot-qr{display:flex;align-items:center;gap:12px;margin-top:16px;font-size:13px;line-height:1.5}
.foot-qr .qr{width:64px;height:64px;margin:0;flex:none}
.foot-qr b{color:var(--ink);font-weight:600}
.foot .bottom{margin-top:40px}
.foot-checked{margin-left:auto}
@media (max-width:1000px){.foot .cols{grid-template-columns:repeat(4,1fr);gap:28px 20px}.foot .cols>div:first-child{grid-column:1 / -1}.foot-about{max-width:none}}
@media (max-width:600px){.foot .cols{grid-template-columns:1fr 1fr;gap:28px 20px}.foot .cols>div:first-child{grid-column:1 / -1}.foot-checked{margin-left:0}}

/* ---------- 2026-09-23 · 首屏只留截图 ---------- */
.hero-product{padding:0;border:0;background:transparent;box-shadow:none;border-radius:0}
.hero-product .shot{border-radius:10px;border:1px solid var(--line-2);box-shadow:var(--shadow)}
.hero-product .shot-hint{display:none}
@media (max-width:600px){.hero-product{padding:0;border-radius:0}.hero-product .shot{border-radius:8px}}