@font-face{font-family:"Inter Tight";src:url(fonts/inter-tight-400-normal.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Inter Tight";src:url(fonts/inter-tight-500-normal.woff2) format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"Inter Tight";src:url(fonts/inter-tight-600-normal.woff2) format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:"Source Serif 4";src:url(fonts/source-serif-4-400-normal.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Source Serif 4";src:url(fonts/source-serif-4-400-italic.woff2) format("woff2");font-weight:400;font-style:italic;font-display:swap}
@font-face{font-family:"Source Serif 4";src:url(fonts/source-serif-4-600-normal.woff2) format("woff2");font-weight:600;font-display:swap}
:root{--g:#008B8B;--g2:#008B8B;--accent:#F27E18;--deep:#001414;--bg:#f8f8f6;--line:#e3e3df;--tx:#141414;--mu:#5f625f;
--sans:"Inter Tight","PingFang SC","Source Han Sans SC","Noto Sans CJK SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
--mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;--serif:"Source Serif 4","Iowan Old Style",Georgia,"Songti SC",serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:var(--sans);background:var(--bg);color:var(--tx);line-height:1.65;font-size:17px;-webkit-font-smoothing:antialiased}
a{color:var(--g);text-decoration:none;background:linear-gradient(currentColor,currentColor) 0 100%/0 1px no-repeat;transition:background-size .25s}
a:hover{background-size:100% 1px}
.wrap{max-width:1200px;margin:0 auto;padding:0 32px}
header{position:sticky;top:0;background:rgba(248,248,246,.88);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);z-index:9}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:24px}
.logo{display:flex;align-items:center;background:none}.logo img{height:26px;width:auto;display:block}
.logo .lab{margin-left:10px;padding-left:10px;border-left:1px solid var(--line);color:var(--g);font-weight:500;font-size:16px;letter-spacing:.02em}
nav{display:flex;align-items:center;gap:26px;font-size:14px}nav a{color:var(--tx);font-weight:400;white-space:nowrap}nav a.on{color:var(--g);background-size:100% 1px}
nav a.cta{border:1px solid var(--g);color:var(--g);padding:6px 16px;border-radius:999px;background:none;transition:.2s}nav a.cta:hover,nav a.cta.on{background:var(--g);color:#fff}
.btn{display:inline-block;background:var(--g);color:#fff;padding:12px 22px;border-radius:999px;font-weight:500;border:1px solid var(--g);cursor:pointer;font-size:15px;font-family:inherit;transition:.2s}
.btn:hover{background:var(--deep);border-color:var(--deep)}.btn.ghost{background:transparent;color:var(--g)}.btn.ghost:hover{background:var(--g);color:#fff}
.eyebrow{font-family:var(--mono);color:var(--g);font-size:12px;letter-spacing:.14em;text-transform:uppercase}
h1{font-size:72px;line-height:1.08;margin:18px 0 26px;font-weight:600;letter-spacing:-.025em}
h2{font-size:40px;line-height:1.2;margin:10px 0 14px;font-weight:600;letter-spacing:-.02em}h3{margin:0 0 8px;font-size:19px;font-weight:600;letter-spacing:-.01em}
.lead{font-size:19px;color:var(--mu);max-width:680px}
.hero{padding:112px 32px 96px}
.split{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:56px;align-items:end}
.progress{background:var(--deep);color:#D5E6E6;border-radius:20px;padding:32px}.progress .eyebrow{color:#5CC8C8}.progress h3{color:#fff;font-size:22px;margin-top:14px}
.progress p{color:#9DB5B5;font-size:15px}.progress ul{list-style:none;padding:0;margin:20px 0}.progress li{display:flex;justify-content:space-between;padding:12px 0;border-top:1px solid rgba(255,255,255,.12);font-size:15px}
.progress em{font-style:normal;font-family:var(--mono);font-size:12px;color:#5CC8C8}.progress a{color:#fff}
section{padding:96px 0;border-top:1px solid var(--line)}
.grid{display:grid;gap:40px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));margin-top:44px;counter-reset:c}
.card{border-top:1px solid var(--tx);padding:22px 0 0;counter-increment:c}.card p{color:var(--mu);margin:0;font-size:16px}
.card:not(:has(.num))::before{content:counter(c,decimal-leading-zero);display:block;font-family:var(--mono);font-size:12px;color:var(--g);margin-bottom:12px}
.num{font-family:var(--mono);color:var(--g);font-size:12px;margin-bottom:12px}
.dark{background:var(--deep);color:#E3EEEE;border-top:0}.dark .eyebrow{color:#5CC8C8}.dark .card{border-top-color:rgba(255,255,255,.35)}.dark .card p{color:#9DB5B5}.dark .card::before{color:#5CC8C8!important}
.tag{display:inline-block;font-family:var(--mono);font-size:11px;padding:3px 10px;border-radius:99px;background:#E0F1F1;color:var(--g);letter-spacing:.05em}
.note{font-size:13px;color:var(--mu)}
ul.check{padding-left:0;list-style:none;max-width:860px}ul.check li{padding:16px 0 16px 34px;position:relative;border-bottom:1px solid var(--line)}ul.check li:before{content:"✓";position:absolute;left:4px;color:var(--g2);font-weight:600}
form .row{display:grid;grid-template-columns:1fr 1fr;gap:18px}label{display:block;font-size:14px;font-weight:500;margin:14px 0 6px}
input,select,textarea{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:10px;font:inherit;font-size:15px;background:#fff}input:focus,select:focus,textarea:focus{outline:2px solid var(--g2);border-color:transparent}
fieldset{border:0;border-top:1px solid var(--tx);padding:8px 0 28px;margin:0 0 12px}legend{font-weight:600;padding:0 12px 0 0;color:var(--g);font-family:var(--mono);font-size:13px;letter-spacing:.06em}
.result{background:var(--deep);color:#E3EEEE;border-radius:20px;padding:32px;margin-top:28px}.result .big{font-size:44px;font-weight:600;color:#5CC8C8;letter-spacing:-.02em}
footer{border-top:1px solid var(--line);padding:44px 0;color:var(--mu);font-size:13px}
footer .icp{display:inline-block;margin-top:6px;font-size:12px}footer .icp a{color:inherit;text-decoration:none}footer .icp a:hover{text-decoration:underline}
.js section,.js .hero{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s ease}.js section.in,.js .hero.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.js section,.js .hero{opacity:1;transform:none;transition:none}}
/* English: serif, narrow column */
.en .hero,.en section .wrap{max-width:720px}.en h1{font-family:var(--serif);font-weight:400;font-size:56px;letter-spacing:-.01em}.en .lead,.en .card p,.en section p{font-family:var(--serif);font-size:19px;color:#2a2a2a}
.en .grid{grid-template-columns:1fr;gap:28px}.en .card h3{font-family:var(--serif);font-weight:600;font-size:21px}
@media(max-width:900px){.split{grid-template-columns:1fr;gap:40px}h1{font-size:52px}}
@media(max-width:640px){body{font-size:16px}.wrap{padding:0 20px}.hero{padding:56px 20px 56px}h1{font-size:38px}.en h1{font-size:38px}h2{font-size:30px}.lead{font-size:17px}section{padding:64px 0}
header .wrap{height:auto;flex-wrap:wrap;padding-top:12px;padding-bottom:10px;gap:8px}.logo img{height:22px}nav{width:100%;gap:18px;overflow-x:auto;padding-bottom:2px;font-size:14px}nav a.cta{margin-left:auto;padding:4px 14px}nav a.ext{display:none}nav{gap:16px}
form .row{grid-template-columns:1fr}.grid{gap:28px;margin-top:28px}.result .big{font-size:32px}}
/* v3 wordmark */
.mark{display:flex;align-items:baseline;gap:12px}.logo{gap:9px;align-items:center;color:var(--tx)}.logo img{height:22px;width:22px;border-radius:5px;align-self:center}
.logo b{font-weight:600;font-size:18px;letter-spacing:-.01em}.by{font-size:12px;color:var(--mu)}.by:hover{color:var(--g)}
.mission{font-size:76px;max-width:900px}.actions{margin-top:40px;display:flex;gap:28px;align-items:center;flex-wrap:wrap}.textlink{font-size:15px}
.feature .wrap{display:grid;grid-template-columns:220px 1fr;gap:56px}.feature .meta p{color:#9DB5B5;font-size:14px;margin:8px 0 0}
.ftitle{display:block;color:#fff;font-size:44px;line-height:1.2;font-weight:600;letter-spacing:-.02em;background-image:linear-gradient(#5CC8C8,#5CC8C8)}.ftitle:hover{background-size:100% 2px}
.fsum{color:#B8CCCC;font-size:18px;max-width:720px;margin:24px 0}.feature .more{color:#5CC8C8}
.principles{display:grid;grid-template-columns:220px 1fr;gap:56px}.principles h2{font-size:24px;margin:0}
.principles ol{list-style:none;margin:0;padding:0;counter-reset:p}.principles li{counter-increment:p;display:grid;grid-template-columns:48px 200px 1fr;gap:16px;padding:18px 0;border-top:1px solid var(--line)}
.principles li::before{content:counter(p,decimal-leading-zero);font-family:var(--mono);font-size:12px;color:var(--g);padding-top:4px}.principles li span{color:var(--mu)}
table.status{width:100%;border-collapse:collapse}table.status th,table.status td{text-align:left;padding:18px 16px 18px 0;border-top:1px solid var(--line);vertical-align:top;font-size:16px}table.status th{font-family:var(--mono);font-size:12px;color:var(--mu);font-weight:400;letter-spacing:.08em}table.status td:first-child{font-weight:600;width:28%}table.status td:nth-child(2){color:var(--mu)}
.noterow{display:flex;gap:20px;align-items:center;padding:24px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);color:var(--tx);font-size:20px;background-image:none}.noterow:hover b{color:var(--g)}
.article{max-width:760px;padding:96px 32px}.article h1{font-size:44px;line-height:1.2}.article h2{font-size:26px;margin-top:56px}.article p,.article li{font-size:18px;line-height:1.85;color:#2a2a2a}.article li{margin:8px 0}
.draftnote{background:#E0F1F1;color:var(--g)!important;padding:12px 16px;border-radius:10px;font-size:15px!important}
.en .principles{grid-template-columns:1fr}.en .principles li{grid-template-columns:40px 1fr}.en .principles li b{grid-column:2}.en .principles li span{grid-column:2;font-family:var(--serif);font-size:18px;color:#2a2a2a}.en .principles li::before{grid-row:1/3}
@media(max-width:900px){.feature .wrap,.principles{grid-template-columns:1fr;gap:20px}.mission{font-size:52px}.ftitle{font-size:32px}}
@media(max-width:640px){.mission{font-size:38px}.mark{flex-direction:column;gap:0}.by{margin-left:31px}.principles li{grid-template-columns:36px 1fr}.principles li span{grid-column:2}.article{padding:56px 20px}.article h1{font-size:30px}.article p,.article li{font-size:17px}table.status td:first-child{width:auto}.noterow{flex-wrap:wrap;font-size:17px}}
/* VI: 图形标志，保持原比例与10°倾斜，不加描边/阴影/变形；四周留白≥0.5x，与文字间距≥2x */
.logo img{width:auto;height:22px;border-radius:0;padding:2px}.logo{gap:10px}
.mark-w{display:block;height:30px;width:auto;margin-bottom:18px;padding:3px}
.feature .meta .eyebrow{color:var(--accent)}
/* estimate v4 */
.chips{display:flex;flex-wrap:wrap;gap:10px}.chip,.seg label{position:relative;overflow:hidden}.chip input,.seg input{position:absolute;opacity:0;pointer-events:none;left:0;top:0;width:1px;height:1px}
.chip span,.seg span{display:inline-block;padding:10px 16px;border:1px solid var(--line);border-radius:999px;background:#fff;cursor:pointer;font-size:15px;transition:.15s}
.chip input:checked+span,.seg input:checked+span{background:var(--g);border-color:var(--g);color:#fff}.chip input:focus-visible+span,.seg input:focus-visible+span{outline:2px solid var(--g)}
.seg{display:flex;flex-wrap:wrap;gap:8px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
label.num span{display:block;font-size:13px;color:var(--mu);margin-bottom:6px;font-weight:400}.btn.sm{padding:7px 14px;font-size:13px;margin-top:10px}
.privacy{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px;font-size:14px;margin:16px 0}.consent{display:flex;gap:8px;align-items:center;margin-top:10px;font-weight:500}.consent input{width:auto}
.btn:disabled{opacity:.45;cursor:not-allowed}
.wiznav [hidden]{display:none}.wiz{scroll-margin-top:80px;max-width:820px;padding-bottom:96px}.wiz[hidden]{display:none}.wiz h2{font-size:28px;margin:8px 0 6px;letter-spacing:-.01em}.wiz h3{font-size:17px;margin:28px 0 12px}
.prog{display:flex;align-items:center;gap:14px;font-family:var(--mono);font-size:12px;color:var(--mu);margin-bottom:22px}.prog i{flex:1;height:3px;background:var(--line);border-radius:3px;overflow:hidden}.prog i b{display:block;height:100%;background:var(--g);transition:width .3s}
#screen{border-top:1px solid var(--tx);padding-top:24px;min-height:220px}#screen>.chips{margin-top:18px}
.q{margin:22px 0}.qlabel{font-weight:600;font-size:16px;margin-bottom:10px}.q input[type=number]{max-width:260px}.q .note{margin-top:6px}
.wiznav{display:flex;gap:12px;margin-top:32px;justify-content:space-between}.wiznav #next,.wiznav #restart{margin-left:auto}
.gatefail{background:#FDF1E6;border-left:3px solid var(--accent);border-radius:10px;padding:14px 18px;margin:18px 0}.gatefail b{color:#9A4A06}.gatefail p{margin:6px 0 0;color:#5a3a1a}
.caps{font-size:13px;margin:14px 0 0;padding-left:18px;color:#CFE0E0}.caps.light{color:#9A4A06}
.rcard{background:var(--deep);color:#E3EEEE;border-radius:20px;padding:26px 28px;margin-top:12px}
.tiers{display:grid;grid-template-columns:1fr 1fr;gap:16px}.tier{border:1px solid rgba(255,255,255,.16);border-radius:14px;padding:16px 18px}.tier.ex{border-color:rgba(242,126,24,.55)}
.tl{font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:#5CC8C8}.tier.ex .tl{color:var(--accent)}
.tr{display:flex;justify-content:space-between;gap:8px;margin-top:10px}.tr span{display:flex;flex-direction:column;font-size:12px;color:#9DB5B5}.tr b{font-size:20px;color:#E3EEEE;font-variant-numeric:tabular-nums;font-weight:500}.tr .base b{font-size:30px;color:#fff;font-weight:600}.tu{font-size:12px;color:#9DB5B5;text-align:right}
.meta2{display:flex;flex-wrap:wrap;gap:28px;margin-top:18px;align-items:center}.meta2>div{display:flex;align-items:center;gap:10px}.meta2 .k{font-size:13px;color:#9DB5B5}.meta2 b{color:#fff;font-size:18px}.meta2 small{color:#9DB5B5}
.conf{padding:3px 12px;border-radius:99px;font-weight:600;font-size:14px}.conf.c2{background:#008B8B;color:#fff}.conf.c1{background:#E0F1F1;color:#001414}.conf.c0{background:var(--accent);color:#fff}
.rd{width:140px;height:6px;background:rgba(255,255,255,.15);border-radius:6px;overflow:hidden}.rd i{display:block;height:100%;background:#5CC8C8}
.rnote{font-size:12px;color:var(--mu);margin:12px 0 0}.rcard .rnote{color:#9DB5B5}
.rgrid{display:grid;grid-template-columns:1fr 1fr;gap:32px}
ul.ready,ul.tips{list-style:none;padding:0;margin:0;font-size:15px}ul.ready li,ul.tips li{padding:9px 0;border-bottom:1px solid var(--line)}
ul.ready li span{display:inline-block;font-family:var(--mono);font-size:11px;padding:2px 8px;border-radius:99px;margin-right:10px}ul.ready li.ok span{background:#E0F1F1;color:var(--g)}ul.ready li.fix span{background:#FDF1E6;color:#9A4A06}
ul.tips li em{font-style:normal;font-family:var(--mono);font-size:12px;color:var(--accent);margin-left:8px;white-space:nowrap}
.ritems{width:100%;border-collapse:collapse;font-size:14px}.ritems td{padding:10px 0;border-top:1px solid var(--line);vertical-align:top}.ritems td:last-child{text-align:right;white-space:nowrap}.ritems small{display:block;color:var(--mu);font-size:12px;margin-top:2px}
.share{margin-top:20px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 16px}.share .k{font-size:12px;color:var(--mu)}.share code{display:block;font-size:13px;margin:6px 0 0;word-break:break-all}
details.manual{margin-top:28px;border-top:1px solid var(--tx);padding-top:18px}details.manual summary{cursor:pointer;font-weight:600;font-size:19px}details.manual summary em{font-style:normal;font-size:13px;color:var(--mu);font-weight:400;margin-left:8px}
@media(max-width:640px){.grid3,.grid2,.rgrid,.tiers{grid-template-columns:1fr}.wiz h2{font-size:23px}.rcard{padding:20px}.tr .base b{font-size:26px}.q input[type=number]{max-width:none}}
/* 参考报价 v5 */
.prog .dot{width:10px;height:10px;border-radius:50%;background:var(--line);transition:.2s}
.prog .dot.done{background:var(--g)}
.prog .dot.on{background:#F27E18;transform:scale(1.25)}
.prog em{font-style:normal;margin-left:6px}
.opts{display:grid;gap:12px;margin-top:22px}
.opt{display:flex;flex-direction:column;gap:4px;text-align:left;padding:18px 20px;border:1.5px solid var(--line);border-radius:14px;background:#fff;color:#001414;font:inherit;cursor:pointer;transition:.15s}
.opt b{font-size:17px;font-weight:600}
.opt span{font-size:14px;color:var(--mu)}
.opt:hover{border-color:var(--g)}
.opt.on{border-color:var(--g);background:#E8F4F4;box-shadow:inset 0 0 0 1px var(--g)}
.rsimple{padding:8px 0}
.rsimple .price{font-size:56px;font-weight:600;color:#008B8B;letter-spacing:-.02em;margin:14px 0 10px;line-height:1.1}
.btn.big{background:#F27E18;border-color:#F27E18;padding:16px 30px;font-size:17px;margin-top:22px}
.btn.big:hover{background:#d96c0d;border-color:#d96c0d}
#contact{display:grid;gap:14px;margin-top:22px;max-width:460px}
#contact label{display:grid;gap:6px;font-size:14px;color:var(--mu)}
#contact input:not([type=checkbox]){padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;font:inherit;font-size:16px}
#contact .consent{display:block;font-size:13px}
#contact .err{color:#c0392b;margin:0}
@media (max-width:600px){.rsimple .price{font-size:40px}.opt{padding:16px}.wiz h2{font-size:23px}}
/* D wordmark */
header .logo{gap:0}header .logo picture{display:block;line-height:0}header .logo img{height:30px;width:auto;border-radius:0;padding:0;display:block}
.flogo{display:block;height:68px;width:auto;margin-bottom:20px}
@media(max-width:640px){header .logo img{height:28px}.by{margin-left:0}}
@media(max-width:390px){header .logo img{height:28px}}
/* 单语背书字标（方案 1） */
header .mark{display:flex;flex-direction:row;align-items:center;gap:0;flex-shrink:0}
header .logo img{height:30px;width:auto;padding:0;border-radius:0;display:block}
header .bdiv{display:block;width:1px;height:22px;background:#C9D6D6;margin:0 14px}
header .by{display:block;margin:0;font-size:14px;line-height:1.2;color:#5B6B6B;white-space:nowrap;background:none}header .by:hover{color:var(--g)}
.fbrand{margin-bottom:20px}.fbrand img{display:block;height:30px;width:auto}.fby{display:inline-block;margin-top:8px;font-size:13px;color:#5B6B6B}
nav .lang{white-space:nowrap;font-size:13px;color:var(--mu);margin-left:4px}nav .lang b{color:var(--tx);font-weight:600}nav .lang a{display:inline;padding:0}
@media(max-width:1100px){header .wrap{height:auto;flex-wrap:wrap;padding-top:12px;padding-bottom:10px;gap:10px}nav{width:100%}}
@media(max-width:640px){header .mark{flex-direction:column;align-items:flex-start;gap:6px}header .bdiv{display:none}header .logo img{height:24px}header .by{font-size:14px}.by{margin-left:0}nav{flex-wrap:wrap;overflow-x:visible;row-gap:6px}}
html,body{overflow-x:hidden}

.story .story-lead{color:#001414;margin:12px 0 28px}.story .story-lead::after{content:"";display:block;width:28px;height:3px;background:#F27E18;margin-top:20px}.story p{max-width:680px;margin:0 0 18px;line-height:1.85}.story .eyebrow{color:#008B8B}
#contact[hidden],#done[hidden]{display:none}
[hidden]{display:none!important}
.rsimple .valid{color:#B26B00;font-weight:600;margin:0 0 18px}
.wiz .live{position:sticky;top:64px;z-index:2;display:flex;gap:12px;align-items:baseline;flex-wrap:wrap;background:#F0F8F8;border:1px solid #CFE6E6;border-radius:10px;padding:10px 16px;margin:0 0 18px}
.wiz .live small{color:#5B6B6B}.wiz .live b{font-size:22px;color:#008B8B}.wiz .live b.na{font-size:15px;color:#5B6B6B}.wiz .live span{color:#5B6B6B;font-size:13px}
.wiz .seg{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 14px}.wiz .seg .opt{flex:1 1 0;min-width:120px;text-align:center}.wiz .gl{margin:14px 0 6px;font-weight:600}
.rsimple .why{margin:4px 0 14px;border:1px solid #DCE5E5;border-radius:10px;padding:10px 14px}.rsimple .why summary{cursor:pointer;font-weight:600}
.rsimple .why table{width:100%;border-collapse:collapse;margin-top:8px;font-size:14px}.rsimple .why td{padding:6px 4px;border-top:1px solid #EEF2F2}.rsimple .why td.r{text-align:right;white-space:nowrap}
.rsimple .promise{font-size:13px;color:#3D4D4D;margin:0 0 18px}.rsimple .shr{margin-top:12px}.rsimple #sharebox input{width:100%;padding:8px;border:1px solid #DCE5E5;border-radius:6px;font:inherit;font-size:13px}.rsimple .ok{color:#008B8B}
.plist{max-width:720px;padding-left:20px;line-height:1.9}.plist li{margin:6px 0}
.wiz .stp{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:12px 0;border-bottom:1px solid #e6e6e6}
.wiz .stp span{display:block;font-size:13px;color:#777}
.wiz .stp .ctl{display:flex;align-items:center;gap:6px}
.wiz .stp .ctl button{width:36px;height:36px;border:1px solid #ccc;background:#fff;border-radius:8px;font-size:18px;cursor:pointer}
.wiz .stp .ctl input{width:72px;height:36px;text-align:center;border:1px solid #ccc;border-radius:8px;font-size:16px}
.wiz .help8 .lnk{background:none;border:0;color:#666;text-decoration:underline;cursor:pointer;padding:8px 0;font-size:14px}
.wiz .help8 .lnk.on{color:#0a7a3d;text-decoration:none}
.rsimple .bd8{width:100%;border-collapse:collapse;font-size:14px}.rsimple .bd8 td{padding:6px 4px;border-bottom:1px solid #eee}.rsimple .bd8 .r{text-align:right;white-space:nowrap}
.rsimple .bd8 tr.sep td{color:#666;border-top:2px solid #ddd}
.rsimple .cond{font-size:13px;color:#777}
.wrap.hero.wzh{max-width:820px;padding-left:32px;padding-right:32px}.wrap.hero.wzh h1{font-size:48px;line-height:1.15}.en .wrap.hero.wzh h1{font-size:44px;line-height:1.15}.wiz .live .rule9{flex-basis:100%}
@media(max-width:640px){.wrap.hero.wzh{padding-left:20px;padding-right:20px}.en .wrap.hero.wzh h1{font-size:34px}}

/* 首页 v2：与 v9 估价器同一 820 容器 */
.home .w820{max-width:820px;padding-left:32px;padding-right:32px}
.home .hh{padding-top:104px;padding-bottom:72px}.home .hh .lead{max-width:620px}
.hcta{display:flex;gap:28px;align-items:center;flex-wrap:wrap;margin:8px 0 10px}.hcta .btn.big{margin-top:14px}
.home section.hs{padding:64px 0}
.hsteps{list-style:none;padding:0;margin:20px 0 0;display:grid;grid-template-columns:repeat(3,1fr);gap:28px;counter-reset:s}
.hsteps li{counter-increment:s;border-top:1px solid var(--tx);padding-top:16px}.hsteps li::before{content:counter(s,decimal-leading-zero);font-family:var(--mono);color:var(--g);font-size:12px;display:block;margin-bottom:8px}
.hsteps b,.hgrid b{display:block;font-size:17px;margin-bottom:6px}.hsteps span,.hgrid span{color:var(--mu);font-size:15px;line-height:1.6}
.hgrid{list-style:none;padding:0;margin:20px 0 0;display:grid;grid-template-columns:repeat(2,1fr);gap:0 28px}.hgrid li{border-top:1px solid var(--line);padding:16px 0}
.hmore{margin:20px 0 0}
.hrow{display:flex;justify-content:space-between;gap:16px;padding:16px 0;border-top:1px solid var(--line);color:var(--tx);text-decoration:none}.hrow:hover b{color:var(--g)}.hrow span{color:var(--mu);white-space:nowrap}
.home .hend h2{font-size:28px;margin:0;letter-spacing:-.01em}
.en .home .hsteps span,.en .home .hgrid span{font-family:inherit;font-size:15px;color:var(--mu)}
@media(max-width:640px){.home .w820{padding-left:20px;padding-right:20px}.home .hh{padding-top:56px;padding-bottom:40px}.hsteps,.hgrid{grid-template-columns:1fr}.home section.hs{padding:44px 0}.home .hend h2{font-size:22px}}
.hlinks{margin-top:40px;font-size:14px;color:var(--mu)}.hlinks a{color:var(--mu)}.hlinks a:hover{color:var(--g)}
#modes .w820,#trust .w820{max-width:820px;padding-left:32px;padding-right:32px}@media(max-width:640px){.home .hh{padding-top:56px;padding-bottom:64px}#modes .w820,#trust .w820{padding-left:20px;padding-right:20px}}

/* 首页 hero v4 设计规范
   间距：8px 网格（8/16/24/32/48/64/96）
   字号：1.25 模数，基准 16 → 12.8 / 16 / 20 / 25 / 31 / 39 / 49 / 61（H1 桌面 60，手机 36）
   行长：H1 中文单行（10 字）/ 18ch（英文），副标题 ≤ 36em；字距 H1 -0.03em
   层级：eyebrow 12 等宽 → H1 → 副标题 20 → 主按钮（实心橙，阴影 0 1px 2px） → 估价器示意卡
   颜色：品牌青 #008B8B + 橙 #F27E18，底色 #f8f8f6；背景只用淡网格 + 极淡径向渐变 */
.hx{position:relative;overflow:hidden;padding:96px 32px 0;text-align:center;
 background:radial-gradient(60% 50% at 50% 0%,rgba(0,139,139,.08),transparent 70%),radial-gradient(40% 40% at 85% 60%,rgba(242,126,24,.06),transparent 70%)}
.hx::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(0,20,20,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(0,20,20,.045) 1px,transparent 1px);background-size:48px 48px;-webkit-mask-image:radial-gradient(70% 60% at 50% 30%,#000,transparent);mask-image:radial-gradient(70% 60% at 50% 30%,#000,transparent);pointer-events:none}
.hx>*{position:relative}
.hx-copy{max-width:820px;margin:0 auto}
.hx h1{font-size:60px;line-height:1.1;letter-spacing:-.03em;margin:16px auto 24px;max-width:none;font-weight:600}
.en .hx h1{font-family:inherit;font-weight:600;font-size:60px;max-width:18ch;letter-spacing:-.03em}
.hx-sub{font-size:20px;line-height:1.6;color:var(--mu);max-width:36em;margin:0 auto}
.en .hx-sub{font-family:inherit;font-size:20px;color:var(--mu)}
.hx-cta{display:flex;flex-direction:column;align-items:center;gap:8px;margin:32px 0 0}.hx-cta .btn.big{margin:0;padding:16px 32px;box-shadow:0 1px 2px rgba(0,0,0,.08)}
.hx-pv{display:block;position:relative;max-width:640px;margin:64px auto 0;padding:32px 32px 24px;text-align:left;color:var(--tx);text-decoration:none;background:#fff;border:1px solid var(--line);border-bottom:0;border-radius:16px 16px 0 0;box-shadow:0 24px 64px -16px rgba(0,20,20,.18),0 2px 8px rgba(0,20,20,.04);transition:transform .3s ease,box-shadow .3s ease}
.hx-pv:hover{transform:translateY(-4px);box-shadow:0 32px 72px -16px rgba(0,20,20,.22),0 2px 8px rgba(0,20,20,.04)}
.hx-pv.wiz{padding-bottom:24px}.hx-pv .live{position:static}.hx-pv h2{font-size:25px;margin:8px 0 8px}
.hx-pv .prog{margin-bottom:16px}.hx-pv .stp b{font-size:15px;font-weight:600}
.hx-pv .ctl i,.hx-pv .ctl em{display:inline-flex;align-items:center;justify-content:center;height:32px;border:1px solid #ccc;border-radius:8px;background:#fff;font-style:normal}
.hx-pv .ctl i{width:32px;font-size:16px;color:#555}.hx-pv .ctl em{width:56px;font-size:15px}
.pv-tag{position:absolute;top:16px;right:16px;font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:var(--mu);border:1px solid var(--line);border-radius:999px;padding:2px 8px}
.hx-pv .dot.on{animation:pvpulse 2.4s ease-in-out infinite}
@keyframes pvpulse{0%,100%{box-shadow:0 0 0 0 rgba(242,126,24,.35)}50%{box-shadow:0 0 0 6px rgba(242,126,24,0)}}
@media (prefers-reduced-motion:reduce){.hx-pv,.hx-pv:hover{transition:none;transform:none}.hx-pv .dot.on{animation:none}}
.home+footer,.home~footer{margin-top:0}
@media(max-width:640px){.hx{padding:48px 16px 0}.hx h1,.en .hx h1{font-size:36px;letter-spacing:-.02em;margin:16px auto}.hx-sub,.en .hx-sub{font-size:16px}.hx-cta{margin-top:24px}.hx-pv{margin-top:48px;padding:24px 16px 16px}.hx-pv h2{font-size:20px}.hx-pv .stp b{font-size:14px}.hx-pv .ctl em{width:40px}}
.hx h1 span{display:inline-block}.hx h1,.hx-sub{text-wrap:balance}

/* ===================== 设计系统 v1（全站，覆盖上方旧规则） =====================
   字体：一套无衬线，中英共用（Inter Tight + 苹方/思源/雅黑）；字重只用 400 / 600
   间距：8px 网格 —— 8 / 16 / 24 / 32 / 48 / 64 / 96 / 128
   字号：1.25 模数，基准 16 —— 13 / 16 / 20 / 25 / 31 / 39 / 49（H1 内页 39，首页 61→60；手机 31 / 36）；正文 17
   行长：正文 ≤ 680px；容器两种 —— 内容 720，页眉页脚 1120；所有页面 hero 与正文同一左边线
   颜色：文字 #141414，次要 #5f625f，hairline #e6e6e2，底 #fafaf8；青 #008B8B 只做链接与选中态；橙 #F27E18 只给主按钮
   装饰：无等宽大写小标、无编号、无徽章、无深色块；section 之间靠留白，不加分隔线 */
:root{--bg:#fafaf8;--line:#e6e6e2;--tx:#141414;--mu:#5f625f;--serif:var(--sans)}
body{font-size:17px;line-height:1.7;font-weight:400}
b,strong,h1,h2,h3{font-weight:600}
a{background:none}a:hover{text-decoration:underline;text-underline-offset:3px;background:none}
.btn:hover,nav a:hover,.logo:hover,.noterow:hover,.hx-pv:hover,.hrow:hover{text-decoration:none}
header{background:rgba(250,250,248,.9);border-bottom:1px solid transparent;transition:border-color .2s}
header .wrap,footer .wrap{max-width:1120px}
nav{gap:32px;font-size:15px}nav a{color:var(--mu)}nav a:hover{color:var(--tx)}nav a.on{color:var(--tx);background:none}
nav a.cta{border:0;padding:0;color:var(--mu);border-radius:0}nav a.cta:hover,nav a.cta.on{background:none;color:var(--tx)}
nav .lang{font-size:13px}
/* 内容容器 */
main,.wrap{max-width:720px}
.wrap.hero,.wrap.hero.wzh{max-width:720px;padding:128px 32px 32px}
.hero h1,.wrap.hero.wzh h1,.en .wrap.hero.wzh h1,.en h1{font-family:var(--sans);font-size:39px;line-height:1.25;letter-spacing:-.02em;margin:0 0 24px;font-weight:600}
.lead,.en .lead{font-family:var(--sans);font-size:20px;line-height:1.6;color:var(--mu);max-width:680px;margin:0}
section{border-top:0;padding:16px 0 64px}
section .wrap{padding:0 32px}
h2{font-size:25px;line-height:1.3;letter-spacing:-.01em;margin:0 0 24px}
h3{font-size:20px}
.en section p,.en .card p{font-family:var(--sans);font-size:17px;color:var(--tx)}
.eyebrow{font-family:var(--sans);text-transform:none;letter-spacing:0;font-size:13px;color:var(--mu)}
.note{font-size:13px;color:var(--mu);line-height:1.7}
/* 列表：一种样式 */
ul.check,.plist,ol.items,ul.links{list-style:none;padding:0;margin:0;max-width:680px}
ul.check li,.plist li,ol.items li{padding:16px 0;border-top:1px solid var(--line);margin:0;line-height:1.7}
ul.check li:last-child,.plist li:last-child,ol.items li:last-child{border-bottom:1px solid var(--line)}
ul.check li{padding-left:0}ul.check li:before{content:none}
ol.items li b{display:block;margin-bottom:4px}ol.items li span{color:var(--mu)}
ol.items+.note,ul.check+.note,.plist+.note{margin-top:24px}
ul.links{display:flex;flex-wrap:wrap;gap:8px 32px;margin-top:48px;font-size:15px}
/* 合作页 */
#modes .w820,#trust .w820{max-width:720px}
#modes{padding-top:48px}
.hcta{margin-top:32px}.wrap.hero .hcta .btn.big{margin:0}
/* 关于 */
.story p,.en .story p{max-width:680px;margin:0 0 24px;line-height:1.8;font-size:17px;color:var(--tx)}
.story .story-lead::after{content:none}
/* 笔记 */
.noterow{display:flex;justify-content:space-between;align-items:baseline;gap:24px;padding:24px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:17px}
.noterow b{font-weight:600}.noterow span{color:var(--mu);font-size:13px;white-space:nowrap}
.article{max-width:720px;padding:128px 32px 96px}
.article h1{font-size:39px;line-height:1.25;margin:0 0 16px}
.article .meta{font-size:13px;color:var(--mu);margin:0 0 48px}
.article h2{font-size:25px;margin:64px 0 16px}
.article p,.article li,.en .article p,.en .article li{font-family:var(--sans);font-size:17px;line-height:1.8;color:var(--tx)}
.draftnote{background:none;color:var(--mu)!important;padding:0;font-size:13px!important}
/* 按钮 */
.btn{font-weight:600;padding:12px 24px;font-size:15px}
.btn.big{padding:16px 32px;font-size:17px;box-shadow:0 1px 2px rgba(0,0,0,.08)}
/* 估价器 v9：同一 720 容器、hairline 边框，保留吸顶参考区间 */
.wiz{max-width:720px;padding-left:32px;padding-right:32px}
#screen{border-top:1px solid var(--line);padding-top:32px}
.prog{font-family:var(--sans);margin-bottom:24px}
.prog .dot.on{background:var(--g);transform:none}
.wiz .live{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 24px;margin:0 0 24px;top:72px}
.wiz .live b{font-weight:600}
.opt{border:1px solid var(--line);border-radius:12px}.opt.on{background:#F2F8F8;box-shadow:none;border-color:var(--g)}
.wiz .stp{border-bottom:1px solid var(--line);padding:16px 0}
.wiz .stp .ctl button,.wiz .stp .ctl input{border-color:var(--line)}
.wiz h2{font-size:25px;margin:0 0 16px}
.rsimple .price{font-size:49px;letter-spacing:-.02em}
.rsimple .why{border-color:var(--line)}
/* 页脚 */
footer{border-top:1px solid var(--line);padding:64px 0 48px;margin-top:64px}
footer .fl{margin:0 0 8px;font-size:13px;line-height:1.6}footer .fl a{color:var(--mu)}footer .fl a:hover{color:var(--tx)}
.fbrand{margin-bottom:24px}.fbrand img{height:24px}.fby{font-size:13px;color:var(--mu)}
footer .icp{margin:0;font-size:12px}
/* 首页：保留极淡网格，去掉彩色光晕 */
.hx{background:none;padding-top:128px}
.hx .eyebrow{font-size:13px}
.hx-pv{border-radius:16px 16px 0 0;box-shadow:0 16px 48px -16px rgba(0,20,20,.12)}
.hx-pv:hover{transform:none;box-shadow:0 16px 48px -16px rgba(0,20,20,.16)}
.pv-tag{font-family:var(--sans);letter-spacing:0;font-size:12px;border:0;padding:0}
.hx-pv .dot.on{animation:none}
.hx-pv .ctl i,.hx-pv .ctl em{border-color:var(--line)}
@media(max-width:640px){
 body{font-size:16px}
 .wrap.hero,.wrap.hero.wzh{padding:64px 20px 32px}
 .hero h1,.wrap.hero.wzh h1,.en .wrap.hero.wzh h1,.en h1,.article h1{font-size:31px}
 .lead,.en .lead{font-size:17px}
 section{padding:32px 0 64px}section .wrap,.wiz{padding-left:20px;padding-right:20px}
 .article{padding:64px 20px 64px}.article h2{font-size:20px;margin-top:48px}
 nav{gap:24px;font-size:14px}
 .hx{padding-top:64px}
 footer{padding:48px 0 32px;margin-top:48px}
 .noterow{flex-direction:column;gap:8px}
}
/* overflow-x:hidden 会让 sticky 失效，改用 clip，保证页眉和估价器参考区间吸顶 */
html,body{overflow-x:clip}
@media(max-width:640px){.wiz .live{top:112px}}

/* ===================== 设计系统 v2（对标 Anthropic / Epoch / METR） =====================
   字体：拉丁字符用官网字体 Space Grotesk（OFL，自托管 latin woff2，可变字重）；中文落到系统无衬线
   色板：暖米白底 #FAF9F5、深墨 #141413、次要 #5E5D59、hairline #E8E6DC；青只做链接/选中；橙只给主按钮
   版式：首页左对齐编辑式两栏（文字 + 抽象 SVG 冰山），宽容器 1120；内页 720 单栏
   节奏：section 间 96–128，标题与正文 24，列表项 24；动效只保留悬停 */
@font-face{font-family:"Space Grotesk";src:url(fonts/space-grotesk-latin.woff2) format("woff2");font-weight:300 700;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
:root{--sans:"Space Grotesk","PingFang SC","Source Han Sans SC","Noto Sans CJK SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
--bg:#FAF9F5;--tx:#141413;--mu:#5E5D59;--line:#E8E6DC}
body{background:var(--bg);color:var(--tx)}
header{background:rgba(250,249,245,.92)}
.hero h1,.article h1,h2{letter-spacing:-.015em}
/* 首页 */
.hx2{max-width:1120px;margin:0 auto;padding:128px 32px 96px;display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:64px;align-items:center}
.hx2 h1{font-size:61px;line-height:1.08;letter-spacing:-.03em;margin:0 0 24px;font-weight:600}
.hx2 h1 span{display:inline-block}
.hx2 .hx-sub{font-size:20px;line-height:1.6;color:var(--mu);max-width:30em;margin:0}
.hx2 .hx-cta{flex-direction:row;align-items:center;gap:32px;margin:48px 0 0}
.hx2 .tlink{color:var(--tx);font-size:15px;font-weight:600}
.hx2-vis{margin:0;color:var(--g)}
.ice{width:100%;height:auto;display:block}
.ice .wl{stroke:var(--tx);stroke-width:1}
.ice .tip{fill:var(--tx)}
.ice .body{fill:url(#hz);stroke:var(--g);stroke-width:1.2;color:var(--g)}
.ice .lb{font:500 13px var(--sans);fill:var(--mu)}
.hx2-vis figcaption{font-size:13px;color:var(--mu);margin-top:16px}
.hdirs{padding:0 0 128px}
.hw{max-width:1120px;margin:0 auto;padding:0 32px}
.hdirs h2{font-size:25px;margin:0 0 32px;padding-top:48px;border-top:1px solid var(--line)}
.dirs{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.dirs a{display:flex;flex-direction:column;gap:8px;height:100%;padding:24px;background:#fff;border:1px solid var(--line);border-radius:12px;color:var(--tx);transition:border-color .2s}
.dirs a:hover{border-color:var(--tx);text-decoration:none}
.dirs b{font-size:20px;line-height:1.3}.dirs span{color:var(--mu);font-size:15px;line-height:1.6}.dirs .st{font-size:13px}
.nrow{display:grid;grid-template-columns:160px 1fr auto;gap:24px;align-items:baseline;margin-top:48px;padding:24px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);color:var(--tx)}
.nrow:hover{text-decoration:none}.nrow:hover b{color:var(--g)}.nrow span{font-size:13px;color:var(--mu)}.nrow i{font-style:normal;color:var(--mu)}
/* 移动端页眉：一行（字标 + 菜单） */
.mt,.mtog{display:none}
@media(max-width:1100px){header .wrap{height:64px;flex-wrap:nowrap;padding-top:0;padding-bottom:0}nav{width:auto}}
@media(max-width:760px){
 header .wrap{height:56px;padding:0 20px;position:relative}
 header .mark{flex-direction:row;align-items:center}header .bdiv,header .by{display:none}
 header .logo img{height:22px}
 .mtog{display:block;font-size:14px;color:var(--tx);cursor:pointer;padding:8px 0;margin:0}
 nav{display:none;position:absolute;left:0;right:0;top:56px;flex-direction:column;align-items:flex-start;gap:0;background:var(--bg);border-bottom:1px solid var(--line);padding:8px 20px 16px;width:auto}
 nav a,nav .lang{padding:12px 0;font-size:16px;width:100%}
 .mt:checked~nav{display:flex}
 .wiz .live{top:56px}
 .hx2{grid-template-columns:1fr;padding:64px 20px 48px;gap:48px}
 .hx2 h1{font-size:36px}.hx2 .hx-sub{font-size:17px}.hx2 .hx-cta{margin-top:32px;gap:24px}
 .hw{padding:0 20px}.hdirs{padding-bottom:64px}.dirs{grid-template-columns:1fr;gap:16px}
 .nrow{grid-template-columns:1fr auto;gap:8px}.nrow span{grid-column:1/-1}
}
/* 估价器吸顶条：一行，实底，细线，不是浮动卡片；规则行静态 */
.wiz .live{flex-wrap:nowrap;align-items:baseline;gap:16px;border-radius:0;border:0;border-bottom:1px solid var(--line);background:var(--bg);padding:12px 0;margin:0}
.wiz .live b{font-size:20px}.wiz .live b.na{font-size:16px}
.wiz .rule9{margin:8px 0 24px;font-size:13px;color:var(--mu)}
.wiz #screen{scroll-margin-top:120px}
.opt,.wiz .stp{scroll-margin-top:120px}
.ice .body{fill:none;stroke:var(--g);stroke-width:1.2}
.ice .bands line{stroke:var(--g);stroke-width:1;opacity:.28}
.ice .tip{fill:var(--tx)}
@media(max-width:760px){header{border-bottom:1px solid var(--line)}.hx2-vis{max-width:360px}}

/* ===================== 品牌色令牌（后台可复用） =====================
   主色 = 字标青 #008B8B（不换）；只用它的浅/深阶做强调。暖白只做底色，深中性色只做文字。橙 #F27E18 仅主按钮。 */
:root{
 --brand-50:#EEF7F7;--brand-100:#D6EDED;--brand-200:#A9D8D8;--brand-300:#73BFBF;--brand-400:#33A3A3;
 --brand-500:#008B8B;--brand-600:#007575;--brand-700:#005E5E;--brand-800:#004646;--brand-900:#002E2E;
 --brand:var(--brand-500);--g:var(--brand-500);--g2:var(--brand-500);--deep:var(--brand-900);
 --bg:#FAF9F5;--surface:#FFFFFF;--tx:#141413;--mu:#5E5D59;--line:#E8E6DC;
 --cta:#F27E18;--cta-hover:#D96C0D}
a{color:var(--brand-600)}a:hover{color:var(--brand-700)}
.btn{background:var(--brand-500);border-color:var(--brand-500)}.btn:hover{background:var(--brand-700);border-color:var(--brand-700)}
.btn.big{background:var(--cta);border-color:var(--cta)}.btn.big:hover{background:var(--cta-hover);border-color:var(--cta-hover)}
.opt.on{background:var(--brand-50);border-color:var(--brand-500)}
.wiz .live b{color:var(--brand-600)}
.dirs a:hover{border-color:var(--brand-400)}
.dirs .st{color:var(--brand-600)}
nav a.on{color:var(--brand-600)}
@media(max-width:760px){section{padding:8px 0 64px}.wrap.hero,.wrap.hero.wzh{padding:48px 20px 24px}.article{padding-top:48px}}
.hx2-vis figcaption,.dirs span,.nrow span{color:var(--mu)}
/* 首页 v3：只留冰山 */
.ice .lbl text{font:500 13px "Space Grotesk",var(--sans);fill:#5E5D59;letter-spacing:.04em}
.ice .body,.ice .bands,.ice .wl{display:none}
.hx2{min-height:calc(100vh - 64px - 1px);padding-bottom:128px}
.hx2-vis figcaption{text-align:center}
@media(max-width:760px){.hx2{min-height:0;padding-bottom:64px}.hx2-vis{max-width:none;margin:0 -8px}}
.ice .tip{fill:url(#it)}
/* 首页冰山备选 a/b/c（构建开关 ICEBERG） */
.iv{margin:0}.ice-wrap{position:relative;max-width:520px;margin-left:auto}
.ice2{display:block;width:100%;height:auto}
.il{position:absolute;left:0;display:flex;align-items:baseline;gap:8px;font-size:13px;line-height:1;white-space:nowrap}
.il i{display:block;width:24px;height:1px;background:var(--mu);opacity:.5;align-self:center}
.il em{font-style:normal;color:var(--mu)}
.il b{font-family:"Space Grotesk",var(--sans);font-weight:500;color:var(--brand-700);font-size:15px;letter-spacing:.02em}
.il-up,.il-dn{left:auto;right:0;flex-direction:row-reverse}
.iv-c .il-up,.iv-c .il-dn{right:0}
.hx2:has(.iv){grid-template-columns:minmax(0,1fr) minmax(0,1.1fr)}
@media(max-width:760px){.ice-wrap{max-width:none;margin:0}.il{font-size:12px}.il b{font-size:13px}}
.iv-c .ice2{width:80%}
@media(max-width:760px){.hx2:has(.iv){grid-template-columns:1fr}.iv-c .ice2{width:72%}}
/* 首页 v5：左侧散文 + 右侧水彩冰山；主按钮移到页眉 */
header nav{order:2}header .mark{order:1}.mtog{order:4}
.hx2{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:96px;align-items:center}
.kicker{font-size:13px;letter-spacing:.04em;color:var(--brand-600);margin:0 0 24px}
.hlead{font-size:39px;line-height:1.3;letter-spacing:-.02em;font-weight:600;margin:0 0 32px;max-width:14em}
.hbody{font-size:19px;line-height:1.85;color:#3D3C38;margin:0 0 24px;max-width:30em}
.hmore{margin:40px 0 0;font-size:16px}.hmore a{color:var(--brand-600);font-weight:400;letter-spacing:.02em;text-decoration:none;border-bottom:1px solid transparent;padding-bottom:2px;transition:border-color .2s}.hmore a:hover,.hmore a:focus-visible{border-bottom-color:currentColor}
.iv-c .ice2{width:100%}
@media(max-width:760px){
 header .wrap{gap:12px}.hx2{gap:48px;padding-top:48px}.hlead{font-size:28px;margin-bottom:24px}.hbody{font-size:17px;line-height:1.8}
 .iv-c .ice2{width:80%;margin:0 auto}}
.hx2 h1.hlead{font-size:39px;line-height:1.3;letter-spacing:-.02em;margin:0 0 32px;max-width:none;text-wrap:balance}
@media(max-width:760px){.hx2 h1.hlead{font-size:28px;margin-bottom:24px}}
header .by{white-space:nowrap}

/* 首页正文 CJK 排版：按意群（逗号/句号为界）成组不拆，只在意群之间换行；度量 24em、行高 1.9、严格禁则 */
.nw{white-space:nowrap}
.hbody{line-break:strict;word-break:normal;overflow-wrap:normal;text-wrap:pretty;hanging-punctuation:allow-end}
.hbody:lang(zh-CN),html[lang^=zh] .hbody{max-width:24em;line-height:1.9;margin-bottom:1.1em;text-align:start}
html[lang=en] .hbody{max-width:60ch;line-height:1.7}
html[lang=en] .hx2-copy{max-width:60ch}
@media(max-width:760px){html[lang^=zh] .hbody{line-height:1.85}}

/* EN 首页：诗行 */
.verse .ln{display:block;padding-left:1em;text-indent:-1em}
html[lang=en] .hbody.verse{line-height:1.75;margin-bottom:1.4em}