:root{--ink:#171512;--ink-soft:#514d47;--gold:#9a6511;--gold-dark:#714807;--cream:#f7f3ec;--paper:#fffdf9;--line:#dcd5ca;--sage:#647061;--danger:#a33e3e;--display:Georgia,"Songti SC","STSong",serif;--body:"PingFang SC","Microsoft YaHei",sans-serif;--shadow:0 28px 80px rgba(38,31,23,.1)}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);font-family:var(--body);background:var(--cream)}
button,input{font:inherit}
button,a{touch-action:manipulation}
button{cursor:pointer}
a{color:inherit}
.site-header{position:sticky;z-index:50;top:0;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;min-height:78px;padding:0 clamp(22px,5vw,76px);border-bottom:1px solid rgba(71,59,43,.12);background:rgba(247,243,236,.9);backdrop-filter:blur(18px)}
.site-brand{display:inline-flex;align-items:center;gap:12px;width:max-content;text-decoration:none}
.site-brand span{font:600 26px/1 var(--display);letter-spacing:.08em}
.site-brand small{padding-left:12px;border-left:1px solid var(--line);color:#706a62;font-size:10px;letter-spacing:.18em}
.site-header nav{display:flex;gap:30px}
.site-header nav a{color:var(--ink-soft);font-size:15px;font-weight:500;text-decoration:none}
.site-login{justify-self:end;display:inline-flex;align-items:center;min-height:42px;padding:0 19px;border:1px solid var(--ink);border-radius:99px;font-size:14px;text-decoration:none}
.site-kicker{margin:0 0 16px;color:var(--gold-dark);font-size:11px;font-weight:700;letter-spacing:.22em}
.site-hero{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(420px,.95fr);min-height:calc(100vh - 78px);padding:clamp(60px,8vw,116px) clamp(22px,7vw,112px);overflow:hidden}
.hero-copy{align-self:center;max-width:720px}
.hero-copy h1{margin:0;font:500 clamp(52px,6.5vw,94px)/1.02 var(--display);letter-spacing:-.055em;text-wrap:balance}
.hero-copy>p:not(.site-kicker){max-width:620px;margin:30px 0 0;color:var(--ink-soft);font-size:16px;line-height:1.95}
.hero-actions{display:flex;gap:14px;margin-top:38px}
.cta,.ghost-cta{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 25px;border-radius:99px;font-weight:700;text-decoration:none}
.cta{border:1px solid var(--ink);color:#fff;background:var(--ink)}
.ghost-cta{border:1px solid var(--line);background:rgba(255,255,255,.55)}
.trust-row{display:flex;flex-wrap:wrap;gap:12px 24px;margin-top:42px;color:#5f5a53;font-size:13px}
.trust-row span:before{display:inline-block;width:5px;height:5px;margin-right:9px;border-radius:50%;background:var(--gold);vertical-align:2px;content:""}
.hero-art{position:relative;align-self:center;min-height:590px}
.hero-art:before{position:absolute;inset:4% -10% 0 10%;border-radius:48% 52% 44% 56%;background:linear-gradient(145deg,#e7d8c2,#c1a78a);filter:saturate(.72);content:""}
.art-card{position:absolute;border:1px solid rgba(255,255,255,.55);background:rgba(255,253,249,.83);box-shadow:var(--shadow);backdrop-filter:blur(16px)}
.art-main{inset:10% 4% 7% 14%;padding:44px;border-radius:28px}
.art-main p{margin:0;color:var(--gold-dark);font-size:11px;letter-spacing:.2em}
.art-main strong{display:block;margin-top:10px;font:500 42px var(--display)}
.art-main>span{display:block;margin:8px 0 30px;color:var(--ink-soft);font-size:14px}
.art-grid{display:grid;grid-template-columns:1.25fr .75fr;grid-template-rows:165px 145px;gap:9px}
.art-grid i{display:block;border-radius:14px;background:linear-gradient(145deg,#d7c0aa,#8f7767)}
.art-grid i:nth-child(2){background:linear-gradient(145deg,#66726a,#b4a798)}
.art-grid i:nth-child(3){background:linear-gradient(145deg,#9b7968,#e0c5a6)}
.art-grid i:nth-child(4){background:linear-gradient(145deg,#d6cec0,#8c9189)}
.art-float{right:-2%;bottom:4%;width:170px;padding:22px;border-radius:20px}
.art-float small,.art-float span{display:block;color:var(--ink-soft);font-size:12px}
.art-float b{display:block;margin:5px 0;font:500 44px var(--display)}
.story-strip{padding:80px clamp(24px,8vw,130px);color:#f8f2e9;background:var(--ink)}
.story-strip p{margin:0;color:#d6b777;font-size:11px;letter-spacing:.22em;text-transform:uppercase}
.story-strip h2{max-width:850px;margin:20px 0 16px;font:500 clamp(38px,5vw,72px)/1.1 var(--display)}
.story-strip span{color:#c9c1b7;line-height:1.8}
.site-section{padding:clamp(82px,10vw,150px) clamp(22px,7vw,112px)}
.section-heading{max-width:760px;margin-bottom:50px}
.section-heading h2{margin:0;font:500 clamp(38px,5vw,66px)/1.1 var(--display);letter-spacing:-.035em;text-wrap:balance}
.section-heading>p:last-child{margin:20px 0 0;color:var(--ink-soft);line-height:1.8}
.capability-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}
.capability-grid article{min-height:330px;padding:34px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(255,253,249,.5)}
.capability-grid svg{width:28px;height:28px;fill:none;stroke:var(--gold-dark);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.capability-grid span{display:block;margin-top:72px;color:#8d857c;font:500 12px var(--display)}
.capability-grid h3{margin:13px 0 12px;font:600 25px var(--display)}
.capability-grid p{margin:0;color:var(--ink-soft);font-size:14px;line-height:1.8}
.plan-section{background:#eee7dc}
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:stretch}
.plan-grid article{position:relative;display:flex;min-height:500px;flex-direction:column;padding:38px;border:1px solid #d3c8ba;border-radius:20px;background:rgba(255,253,249,.75)}
.plan-grid article.featured{color:#fff;background:var(--ink);box-shadow:var(--shadow)}
.plan-grid article>p{margin:0;color:var(--gold-dark);font-size:10px;font-weight:700;letter-spacing:.22em}
.plan-grid .featured>p{color:#d8b36d}
.plan-grid h3{margin:18px 0 8px;font:600 34px var(--display)}
.plan-grid article>span{color:var(--ink-soft);font-size:14px}
.plan-grid .featured>span,.plan-grid .featured li{color:#cfc7bd}
.plan-grid ul{display:grid;gap:16px;margin:42px 0;padding:0;list-style:none}
.plan-grid li{color:var(--ink-soft);font-size:14px}
.plan-grid li:before{margin-right:10px;color:var(--gold);content:"—"}
.plan-grid button{min-height:48px;margin-top:auto;border:1px solid var(--ink);border-radius:99px;color:#fff;background:var(--ink)}
.plan-grid .featured button{border-color:#d6b777;color:var(--ink);background:#d6b777}
.recommend{position:absolute;top:24px;right:24px;padding:6px 10px;border:1px solid #ffffff3d;border-radius:99px;color:#e3c889;font-size:10px}
.plan-note{margin:24px 0 0;color:#625c54;font-size:14px;line-height:1.7}
.workflow ol{display:grid;grid-template-columns:repeat(3,1fr);margin:0;padding:0;border-top:1px solid var(--line);list-style:none}
.workflow li{display:flex;gap:22px;padding:32px 28px 32px 0;border-bottom:1px solid var(--line)}
.workflow li+li{padding-left:28px;border-left:1px solid var(--line)}
.workflow b{color:var(--gold-dark);font:500 22px var(--display)}
.workflow h3{margin:0 0 10px;font-size:17px}
.workflow p{margin:0;color:var(--ink-soft);font-size:14px;line-height:1.8}
.final-cta{padding:clamp(90px,12vw,170px) 24px;color:#fff;background:linear-gradient(145deg,#22201c,#100f0d);text-align:center}
.final-cta h2{max-width:920px;margin:0 auto 34px;font:500 clamp(42px,6vw,82px)/1.08 var(--display);text-wrap:balance}
.final-cta .site-kicker{color:#d6b777}
.final-cta button{min-height:52px;padding:0 28px;border:1px solid #d6b777;border-radius:99px;color:var(--ink);background:#d6b777}
.site-footer{display:flex;justify-content:space-between;align-items:center;gap:30px;padding:36px clamp(22px,5vw,76px);border-top:1px solid var(--line);background:var(--paper);font-size:13px}
.site-footer p{color:#716b63}
.site-footer-meta{display:grid;gap:8px;text-align:center;min-width:0}
.site-filing{display:flex;justify-content:center;flex-wrap:wrap;gap:6px 14px;color:#716b63;font-size:12px;line-height:1.6}
.site-filing a{color:inherit;text-decoration:none}.site-filing a:hover{text-decoration:underline}
.site-footer>a:last-child{color:#716b63}
.login-modal[hidden]{display:none}
.login-modal{position:fixed;z-index:100;inset:0;display:grid;place-items:center;padding:20px}
.modal-backdrop{position:absolute;inset:0;border:0;background:rgba(14,12,10,.64);backdrop-filter:blur(8px)}
.login-modal>section{position:relative;width:min(480px,100%);padding:40px;border-radius:22px;background:var(--paper);box-shadow:var(--shadow)}
.login-modal h2{margin:0;font:600 38px var(--display)}
.login-modal section>p:not(.site-kicker){color:var(--ink-soft);font-size:13px;line-height:1.75}
.modal-close{position:absolute;top:18px;right:18px;display:grid;width:44px;height:44px;place-items:center;border:0;border-radius:50%;background:#f1ece5}
.modal-close svg{width:19px;fill:none;stroke:currentColor;stroke-width:1.7}
.login-modal form{display:grid;gap:14px;margin-top:25px}
.login-modal label,.auth-card label,.platform-auth-card label{display:grid;gap:7px;color:var(--ink-soft);font-size:12px}
.login-modal input,.auth-card input,.platform-auth-card input{width:100%;min-height:48px;padding:0 14px;border:1px solid var(--line);border-radius:10px;background:#fff;font-size:16px}
.login-modal .cta{width:100%;margin-top:4px}
.modal-link{display:block;margin-top:20px;color:var(--gold-dark);font-size:12px;text-align:center}
.modal-link-secondary{margin-top:12px;color:var(--ink-soft)}
.modal-open{overflow:hidden}
.auth-page{min-height:100vh;padding:28px;background:#ebe3d7}
.auth-brand{margin:0 0 28px 18px}
.auth-shell{display:grid;grid-template-columns:1.1fr .9fr;min-height:calc(100vh - 112px);overflow:hidden;border:1px solid rgba(70,55,38,.12);border-radius:28px;background:var(--paper);box-shadow:var(--shadow)}
.auth-story{display:flex;flex-direction:column;justify-content:center;padding:clamp(40px,7vw,110px);color:#fff;background:linear-gradient(145deg,#29251f,#15130f)}
.auth-story h1{margin:0;font:500 clamp(48px,6vw,82px)/1.05 var(--display)}
.auth-story>p:not(.site-kicker){max-width:560px;color:#c9c1b7;line-height:1.9}
.auth-story>a{margin-top:28px;color:#d8b36d}
.auth-card{align-self:center;width:min(430px,calc(100% - 50px));margin:auto;padding:30px}
.auth-card h2{margin:0;font:600 42px var(--display)}
.auth-card>p:not(.site-kicker),.platform-auth-card>p:not(.site-kicker){color:var(--ink-soft);font-size:13px;line-height:1.75}
.auth-card form,.platform-auth-card form{display:grid;gap:14px;margin-top:28px}
.auth-card button,.platform-auth-card button{min-height:50px;margin-top:6px;border:0;border-radius:10px;color:#fff;background:var(--ink);font-weight:700}
.auth-help{margin-top:24px!important}
.error-card{align-self:center}
.error-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.error-actions .cta,.error-actions .ghost-cta{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 16px;border-radius:10px;font-size:14px;font-weight:700;text-decoration:none;transition:opacity .16s ease}
.error-actions .cta{color:#fff;background:var(--ink)}
.error-actions .ghost-cta{color:var(--ink);border:1px solid var(--line);background:#fff}
.error-actions a:hover,.error-actions a:focus{opacity:.78}
.form-alert{margin:18px 0;padding:12px 14px;border-radius:10px;font-size:12px}
.form-alert.error{color:#842f2f;background:#f9e7e7}
.form-alert.success{color:#315f43;background:#e6f2e9}
.platform-auth-page{min-height:100vh;display:grid;place-items:center;padding:28px;background:#171817}
.platform-auth-card{width:min(430px,100%);padding:42px;border:1px solid #343733;border-radius:20px;background:#f7f6f2;box-shadow:0 28px 90px rgba(0,0,0,.28)}
.platform-auth-card>.site-brand{margin-bottom:54px}
.platform-auth-card h1{margin:0;font:600 38px var(--display)}
.auth-return{display:block;margin-top:24px;color:#655e55;font-size:12px;text-align:center}

:focus-visible{outline:3px solid rgba(154,101,17,.35);outline-offset:3px}
.site-header a,.cta,.ghost-cta,.plan-grid button,.final-cta button{transition:background .2s,color .2s,border-color .2s,box-shadow .2s}
.site-login:hover,.ghost-cta:hover{background:#fff}
.cta:hover,.plan-grid article:not(.featured) button:hover{background:#302d28}
.plan-grid .featured button:hover,.final-cta button:hover{background:#e5c782}

@media(max-width:980px){.site-header{grid-template-columns:1fr auto}
.site-header nav{display:none}
.site-hero{grid-template-columns:1fr;min-height:auto}
.hero-art{min-height:520px}
.capability-grid{grid-template-columns:repeat(2,1fr)}
.plan-grid{grid-template-columns:1fr}
.plan-grid article{min-height:420px}
.workflow ol{grid-template-columns:1fr}
.workflow li+li{padding-left:0;border-left:0}
.auth-shell{grid-template-columns:1fr}
.auth-story{min-height:440px}
.auth-card{padding:60px 0}
}

@media(max-width:600px){.site-header{min-height:68px;padding:0 16px}
.site-brand small{display:none}
.site-login{min-height:40px;padding:0 14px}
.site-hero{padding:70px 18px}
.hero-copy h1{font-size:49px}
.hero-actions{align-items:stretch;flex-direction:column}
.trust-row{display:grid}
.hero-art{min-height:410px}
.art-main{inset:8% 2% 4% 2%;padding:25px}
.art-main strong{font-size:32px}
.art-grid{grid-template-rows:118px 100px}
.art-float{display:none}
.site-section{padding-right:16px;padding-left:16px}
.capability-grid{grid-template-columns:1fr}
.capability-grid article{min-height:270px}
.capability-grid span{margin-top:42px}
.plan-grid article{padding:30px}
.site-footer{align-items:flex-start;flex-direction:column}
.auth-page{padding:14px}
.auth-brand{margin:6px 0 20px}
.auth-shell{min-height:auto;border-radius:20px}
.auth-story{min-height:390px;padding:38px 26px}
.auth-story h1{font-size:49px}
.auth-card{width:100%;padding:42px 24px}
.platform-auth-page{padding:14px}
.platform-auth-card{padding:32px 24px}
.login-modal>section{padding:34px 24px}
}

@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}
*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}
}

.feedback-card form{display:grid;gap:14px}
.feedback-card textarea{width:100%;min-height:132px;padding:12px 14px;border:1px solid var(--line);border-radius:10px;background:#fff;font-size:16px;line-height:1.6;resize:vertical}
.feedback-card textarea:focus,.feedback-type-input:focus-visible+.feedback-type-card{border-color:var(--gold);outline:3px solid rgba(154,101,17,.25);outline-offset:2px}
.feedback-type-fieldset{margin:0;padding:0;border:0}
.feedback-type-fieldset legend{margin-bottom:10px;color:var(--ink-soft);font-size:12px}
.feedback-type-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.feedback-type-input{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
.feedback-type-card{display:grid;min-height:122px;align-content:center;gap:8px;padding:18px;border:1px solid var(--line);border-radius:14px;background:#fff;cursor:pointer;transition:border-color .18s,background .18s,box-shadow .18s,transform .18s}
.feedback-type-card strong{font:600 21px var(--display)}
.feedback-type-card span{color:var(--ink-soft);font-size:12px;line-height:1.65}
.feedback-type-input:checked+.feedback-type-card{border-color:var(--gold);background:#fffaf1;box-shadow:0 10px 24px rgba(94,67,24,.1)}
.feedback-type-card:hover{border-color:#bba77f;transform:translateY(-1px)}
.feedback-card .form-hint{margin:-6px 0 0;color:var(--ink-soft);font-size:12px;line-height:1.6}
.feedback-back{display:inline-flex;align-items:center;justify-content:center;min-height:44px;margin:0 0 24px;padding:0 16px;border:1px solid var(--line);border-radius:9px;color:var(--ink);background:#fff;font-size:13px;font-weight:700;text-decoration:none;transition:border-color .18s,background .18s}
.feedback-back:hover{border-color:#bba77f;background:#fffaf1}
@media(max-width:600px){.feedback-type-grid{grid-template-columns:1fr}.feedback-type-card{min-height:104px}}

/* 人工服务联系页：联系账号是主信息，二维码与服务边界为辅助信息。 */
.support-contact-card{width:min(500px,calc(100% - 44px));padding-top:24px;padding-bottom:24px}
.support-account{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:7px 12px;align-items:center;margin-top:22px;padding:16px;border:1px solid var(--line);border-radius:13px;background:#fff}
.support-account span{grid-column:1/-1;color:var(--ink-soft);font-size:12px}
.support-account strong{min-width:0;overflow-wrap:anywhere;font-size:18px}
.support-account button{min-width:92px;min-height:44px;padding:0 14px;border:1px solid var(--line);border-radius:9px;color:var(--ink);background:#f8f4ed;font-weight:700}
.support-account button:hover{border-color:#bba77f;background:#fffaf1}
.support-copy-status{min-height:22px;margin:7px 0 0!important;color:var(--gold-dark)!important;font-size:13px!important}
.support-contact-card figure{display:grid;justify-items:center;gap:9px;margin:16px 0 0;padding:18px;border:1px solid var(--line);border-radius:14px;background:#fff}
.support-contact-card figure img{display:block;width:min(220px,100%);aspect-ratio:1;padding:7px;border:1px solid #e7e0d5;border-radius:12px;background:#fff;object-fit:contain}
.support-contact-card figcaption{color:var(--ink-soft);font-size:12px}
.support-note{margin:16px 0 0!important;padding:13px 15px;border-left:3px solid var(--gold);background:#fffaf1;color:var(--ink-soft)!important;font-size:14px!important;line-height:1.7!important}
.support-boundary{margin-top:16px;padding:15px 16px;border-radius:12px;background:#f0ece5}.support-boundary strong{font-size:14px}.support-boundary p{margin:7px 0 0;color:var(--ink-soft);font-size:13px;line-height:1.7}
.support-feedback-link{width:100%;margin-top:18px}
.site-footer-links{display:flex;flex-wrap:wrap;gap:16px}.site-footer-links a{color:#716b63;text-decoration:none}.site-footer-links a:hover{text-decoration:underline}
@media(max-width:600px){.support-contact-card{width:100%;padding:36px 24px}.support-account{grid-template-columns:1fr}.support-account button{width:100%}.site-footer-meta{text-align:left}.site-filing{display:grid;justify-content:start;gap:5px}.site-footer-links{display:grid;gap:10px}}