/* 独立官网样式，不依赖或覆盖平台页面的 CSS。 */
:root{--paper:#f6f5f1;--ink:#192126;--muted:#687078;--blue:#2854e9;--line:#dddfdb;--white:#fff;--radius:18px;--width:1180px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:125px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button{font:inherit}
button,a,summary{-webkit-tap-highlight-color:transparent}
button{cursor:pointer}
button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--blue);outline-offset:5px}
img{display:block;max-width:100%;height:auto}
h1,h2,h3,p{margin:0}
h1,h2,h3{line-height:1.3;letter-spacing:-.045em}
h1{font-size:clamp(40px,4.2vw,58px);font-weight:700;line-height:1.35}
h2{font-size:clamp(29px,3vw,39px);font-weight:600}
h3{font-size:22px;font-weight:600}
[hidden]{display:none!important}
::selection{color:var(--white);background:var(--blue)}
.wrap{width:min(var(--width),calc(100% - 96px));margin-inline:auto}
.blue{color:var(--blue)}
.site-notice{display:flex;justify-content:center;align-items:center;gap:8px;padding:8px 20px;background:#eaece7;color:#59635f;font-size:11px;line-height:1.6;letter-spacing:.08em}
.status-dot{width:5px;height:5px;background:#7a857b;border-radius:50%}
.site-header{position:sticky;z-index:10;top:0;background:rgba(246,245,241,.97);border-bottom:1px solid var(--line)}
.header-inner{min-height:91px;display:flex;align-items:center;justify-content:space-between;gap:30px}
.brand{display:block;flex-shrink:0;width:158px}
.brand img{width:100%;filter:brightness(0)}
.main-nav{display:flex;justify-content:center;gap:27px;margin-left:auto;font-size:13px;line-height:1.5}
.main-nav a{padding-block:15px;transition:color .2s}
.main-nav a:hover,.text-link:hover{color:var(--blue)}
.language-button{flex-shrink:0;display:flex;gap:16px;align-items:center;border:1px solid #cdd1ce;border-radius:30px;padding:8px 15px;background:transparent;color:var(--ink);font-size:12px;line-height:1.4}
.language-button:hover{border-color:var(--blue);color:var(--blue)}
.skip-link{position:absolute;top:-70px;left:24px;z-index:30;padding:9px 16px;background:var(--white);border:2px solid var(--blue)}
.skip-link:focus{top:10px}
.eyebrow{color:var(--blue);font-size:12px;font-weight:600;letter-spacing:.055em;line-height:1.6}
.hero{display:grid;grid-template-columns:1.2fr 1fr;gap:74px;align-items:center;padding-top:85px;padding-bottom:92px}
.hero .eyebrow{display:flex;align-items:center;gap:10px;margin-bottom:26px}
.short-line{height:1px;width:24px;background:var(--blue)}
.hero-description{max-width:450px;margin-top:27px;color:var(--muted);font-size:16px;line-height:1.95}
.hero-actions{display:flex;align-items:center;gap:25px;flex-wrap:wrap;margin-top:33px}
.button{display:inline-flex;justify-content:center;align-items:center;gap:28px;min-height:52px;border-radius:7px;padding:13px 23px;font-size:14px;font-weight:600;transition:background .2s,transform .2s}
.button-primary{background:var(--blue);color:var(--white)}
.button-primary:hover{background:#1943cb;transform:translateY(-2px)}
.button-primary:focus-visible{outline-offset:6px}
.text-link{display:inline-flex;align-items:center;gap:17px;font-size:13px;font-weight:600}
.hero-note{margin-top:17px;color:var(--muted);font-size:12px}
.brief-card{position:relative;isolation:isolate;background:var(--blue);color:var(--white);border-radius:var(--radius);padding:31px 35px 25px;box-shadow:0 15px 30px -23px #16309666;overflow:hidden}
.brief-card::before{content:"";position:absolute;width:230px;height:230px;top:-110px;right:-100px;border:1px solid #ffffff26;border-radius:50%;z-index:-1}
.brief-card::after{content:"";position:absolute;width:330px;height:330px;top:-160px;right:-150px;border:1px solid #ffffff1c;border-radius:50%;z-index:-1}
.brief-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:17px}
.brief-tag{font-size:11px;border:1px solid #ffffff55;padding:3px 10px;border-radius:30px;color:#eef1ff}
.brief-spark{font-size:35px;line-height:1;font-weight:400}
.brief-card h2{font-size:28px;line-height:1.55;white-space:pre-line;letter-spacing:-.025em}
.brief-list{list-style:none;margin:28px 0 23px;padding:0}
.brief-list li{display:flex;gap:17px;align-items:flex-start;border-top:1px solid #ffffff35;padding:16px 0}
.brief-number{font-size:10px;margin-top:5px;letter-spacing:.06em;color:#d8e0ff}
.brief-list h3{font-size:16px;letter-spacing:0;line-height:1.55}
.brief-list p{font-size:12px;color:#d8e0ff;margin-top:4px}
.brief-footer{display:flex;align-items:center;justify-content:space-between;font-size:11px;color:#d8e0ff}
.brief-footer>span:last-child{font-size:21px;color:white}
.section{padding-top:77px;padding-bottom:82px}
.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:44px;margin-bottom:36px}
.section-heading h2{margin-top:12px}
.section-heading>p{max-width:340px;font-size:14px;line-height:1.9;color:var(--muted)}
#services{border-top:1px solid var(--line)}
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.service-card{background:var(--white);border:1px solid #e1e3df;border-radius:12px;padding:27px 23px 23px;display:flex;flex-direction:column}
.service-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.service-icon{width:38px;height:38px;stroke:var(--blue);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.service-number{font-size:11px;font-variant-numeric:tabular-nums;color:var(--muted)}
.service-card>p{color:var(--muted);font-size:13px;line-height:1.95;margin-top:16px;margin-bottom:25px}
.service-focus{padding-top:17px;margin-top:auto;border-top:1px solid #eceee9}
.service-focus>span{font-size:10px;color:var(--muted);letter-spacing:.05em}
.service-focus p{font-size:11px;line-height:1.9;margin-top:6px;color:#4d575e}
.examples-section{background:#eaece7}
.section-heading>.example-disclaimer{border-left:2px solid #bdc6b8;padding-left:15px;color:#606970}
.example-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:19px}
.example-card{border:1px solid #d1d7ce;border-radius:12px;padding:25px 28px;background:#f8f9f5}
.example-caption{display:flex;align-items:center;justify-content:space-between;color:var(--blue);font-size:11px;font-weight:600;margin-bottom:24px}
.example-caption>span:last-child{font-size:21px;font-weight:400}
.example-card h3{font-size:23px;letter-spacing:-.035em}
.example-card>p{max-width:480px;color:var(--muted);font-size:13px;line-height:1.9;margin-top:13px}
.example-label{display:block;border-top:1px solid #dce1d7;margin-top:24px;padding-top:15px;color:#546051;font-size:11px;line-height:1.8}
.process-list{display:grid;grid-template-columns:repeat(4,1fr);list-style:none;padding:0;margin:42px 0 0}
.process-list li{position:relative;padding:0 27px;border-left:1px solid var(--line)}
.process-list li:first-child{padding-left:0;border:0}
.process-list li:last-child{padding-right:0}
.step-number{display:block;color:var(--blue);font-size:13px;line-height:1;letter-spacing:.04em;margin-bottom:29px}
.process-list h3{font-size:19px;line-height:1.5;letter-spacing:-.02em}
.process-list p{font-size:13px;line-height:1.95;color:var(--muted);margin-top:13px}
.about-section{display:grid;grid-template-columns:.95fr 1fr;gap:95px;background:#e9edf7;border-radius:var(--radius);padding:56px 54px}
.about-section h2{white-space:pre-line;margin-top:15px;line-height:1.55;font-size:32px}
.about-copy>p{color:#566272;font-size:13px;line-height:2}
.about-copy>.about-lead{font-size:16px;color:#23324c;margin-bottom:16px}
.about-signature{display:flex;align-items:center;justify-content:space-between;margin-top:27px;font-size:21px;letter-spacing:-.04em;font-family:Georgia,"Times New Roman",serif;font-style:italic}
.about-signature>span{color:var(--blue);font-size:24px;font-style:normal}
.faq-section{display:grid;grid-template-columns:.8fr 1.2fr;gap:80px}
.faq-section h2{margin-top:12px}
.faq-list details{border-bottom:1px solid var(--line)}
.faq-list details:first-child{border-top:1px solid var(--line)}
.faq-list summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:23px 0;font-size:14px;font-weight:600;cursor:pointer}
.faq-list summary::-webkit-details-marker{display:none}
.faq-plus{font-weight:400;font-size:23px;color:var(--blue);transition:transform .2s}
.faq-list details[open] .faq-plus{transform:rotate(45deg)}
.faq-list details>p{padding-bottom:25px;max-width:540px;font-size:13px;line-height:2;color:var(--muted)}
.contact-section{display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:60px;border-radius:var(--radius);padding:52px;background:#192626;color:var(--white);margin-top:2px;margin-bottom:70px}
.contact-section .eyebrow{color:#b6cdc5}
.contact-section h2{font-size:34px;line-height:1.55;margin-top:13px;white-space:pre-line}
.contact-copy>p:last-child{max-width:390px;font-size:13px;line-height:1.95;color:#afc0be;margin-top:21px}
.contact-card{background:#ffffff09;border:1px solid #ffffff29;border-radius:12px;padding:26px}
.contact-status{display:flex;align-items:center;gap:10px;color:#f0d5a0;font-size:14px;font-weight:600}
.contact-status>span{height:6px;width:6px;border-radius:50%;background:#edcc8e;flex-shrink:0}
.contact-card>p{font-size:13px;color:#becdca;line-height:1.9;margin-top:15px}
.contact-card>.contact-small{font-size:11px;color:#99afaa;border-top:1px solid #ffffff20;padding-top:17px;margin-top:22px}
.contact-email{display:block;color:#fff;border-bottom:1px solid #799e91;font-size:18px;line-height:1.7;overflow-wrap:anywhere;padding-bottom:5px;margin-top:18px}
.contact-email:focus-visible{outline-color:#bfd1ff}
.site-footer{border-top:1px solid var(--line);padding-top:29px;padding-bottom:30px}
.footer-top{display:flex;align-items:center;gap:27px;padding-bottom:26px}
.footer-brand{width:127px}
.footer-top>p{color:#677173;font-size:12px}
.footer-email{display:inline-block;margin-top:5px;text-decoration:underline;text-underline-offset:3px;overflow-wrap:anywhere}
.footer-top>.text-link{margin-left:auto;font-size:12px}
.footer-bottom{display:flex;justify-content:space-between;gap:32px;color:var(--muted);font-size:10px;line-height:1.9}
.footer-bottom>p:first-child{max-width:560px}
.footer-bottom>p:last-child{flex-shrink:0}
.noscript-note{padding:15px 24px;background:#eaece7;font-size:12px;text-align:center}
/* 英文较长，保持同一信息层级，并给标题和卡片留足换行空间。 */
html[lang="en"] h1{font-size:clamp(39px,4.1vw,57px);line-height:1.17;letter-spacing:-.05em}
html[lang="en"] .hero h1 span{display:inline}
html[lang="en"] .brief-card h2{font-size:30px;line-height:1.3}
html[lang="en"] .service-card h3{font-size:21px}
html[lang="en"] .about-section h2,html[lang="en"] .contact-section h2{line-height:1.25;letter-spacing:-.04em}
@media(min-width:1500px){.hero{padding-top:99px;padding-bottom:106px}}
@media(max-width:1100px){.wrap{width:calc(100% - 64px)}.header-inner{gap:22px}.main-nav{gap:19px;font-size:12px}.brand{width:140px}.hero{gap:40px}.hero-actions{gap:20px}.brief-card{padding:29px}.service-grid{grid-template-columns:repeat(2,1fr);gap:18px}.service-card>p{min-height:0}.about-section{gap:45px;padding:43px}.faq-section{gap:45px}.contact-section{gap:32px;padding:42px}.contact-section h2{font-size:30px}.footer-bottom>p:last-child{flex-shrink:1}}
@media(max-width:800px){html{scroll-padding-top:140px}.wrap{width:calc(100% - 40px)}.header-inner{min-height:104px;gap:0;display:grid;grid-template-columns:1fr auto;padding-top:13px}.brand{width:138px}.main-nav{grid-row:2;grid-column:1/-1;justify-content:space-between;width:100%;margin:8px 0 0;gap:12px;font-size:12px}.main-nav a{padding:12px 0}.language-button{font-size:11px;padding:8px 13px}.hero{grid-template-columns:1fr;gap:36px;padding:48px 0 52px}.hero-copy{max-width:600px}.hero .eyebrow{margin-bottom:20px}.hero-description{max-width:540px;margin-top:20px}.hero-actions{margin-top:25px}.brief-card{max-width:600px;width:100%;padding:25px}.brief-card h2{font-size:25px}.brief-list{margin:23px 0 12px}.brief-list li{padding:15px 0}.brief-list h3{font-size:16px}.brief-list p{font-size:13px}.section{padding-top:54px;padding-bottom:56px}.section-heading{display:block;margin-bottom:28px}.section-heading>p{max-width:580px;margin-top:18px}.example-card{padding:23px}.example-card h3{font-size:21px}.process-list{grid-template-columns:repeat(2,1fr);gap:32px 0;margin-top:33px}.process-list li{padding-inline:23px}.process-list li:nth-child(3){border-left:0;padding-left:0}.process-list li:nth-child(2){padding-right:0}.step-number{margin-bottom:18px}.about-section{grid-template-columns:1fr;gap:27px;padding:31px}.about-section h2{font-size:30px}.about-copy>.about-lead{font-size:15px}.faq-section{grid-template-columns:1fr;gap:27px}.contact-section{grid-template-columns:1fr;gap:28px;padding:31px;margin-bottom:45px}.contact-copy>p:last-child{max-width:540px}.contact-card{padding:23px}.footer-top{flex-wrap:wrap;gap:18px}.footer-top>p{font-size:11px}.footer-top>.text-link{margin-left:auto}.footer-bottom{display:block}.footer-bottom>p:last-child{margin-top:9px}}
@media(max-width:480px){.wrap{width:calc(100% - 36px)}h1{font-size:37px;letter-spacing:-.055em}h2{font-size:28px}.hero-description{font-size:14px}.hero-actions{gap:21px}.button{min-height:49px;font-size:13px;gap:18px;padding:12px 19px}.text-link{font-size:12px;gap:10px}.service-grid,.example-grid{grid-template-columns:1fr}.service-card{padding:24px}.service-top{margin-bottom:18px}.service-card>p{margin-top:12px;margin-bottom:19px}.example-caption{margin-bottom:18px}.about-section,.contact-section{padding:27px 23px}.contact-section h2{font-size:27px}.contact-card{padding:20px}.footer-top{gap:17px}.footer-top>.text-link{flex-basis:100%;margin-left:0}.footer-top{padding-bottom:20px}html[lang="en"] h1{font-size:39px}html[lang="en"] .main-nav{font-size:11px;gap:9px}}
/* 遵从减少动画偏好，锚点跳转与悬停不强制造成移动。 */
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}.button-primary:hover{transform:none}}

/* 独立政策页共用官网视觉，长文和邮箱可在窄屏换行。 */
.policy-links{display:flex;flex-wrap:wrap;gap:12px 24px;margin-bottom:22px;font-size:12px}
.policy-links a,.policy-content a{text-decoration:underline;text-underline-offset:3px}
.policy-content{max-width:820px;padding-top:52px;padding-bottom:64px;overflow-wrap:anywhere}
.policy-content h1{font-size:clamp(31px,4vw,46px);margin:12px 0 20px}
.policy-content h2{font-size:24px;margin:34px 0 12px;letter-spacing:-.02em}
.policy-content p,.policy-content ul{margin:14px 0}
.policy-content ul{padding-left:24px}
.policy-content .policy-date{color:var(--muted);font-size:13px}
.policy-notice{padding:18px 22px;border-left:3px solid var(--blue);background:var(--white)}
.policy-header .header-inner{min-height:90px;display:flex;padding-block:15px}
@media(max-width:480px){.policy-header .brand{width:125px}.policy-content{padding-top:32px}.policy-content h1{font-size:32px}.policy-content h2{font-size:22px}}