/* Professional identity: monochrome, system typography, restrained blue. */
:root{--ink:#191b20;--muted:#5e6570;--paper:#fff;--sand:#f5f6f8;--line:#dfe2e7;--gold:#1260cd;--blue:#145fc9;--sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,"Microsoft YaHei",sans-serif;--serif:var(--sans);--display:var(--sans)}
body{font-size:15px;line-height:1.7}h1,h2,h3{font-family:var(--sans);font-weight:600;letter-spacing:-.045em}h1{font-size:clamp(40px,5vw,72px);line-height:1.1}h2{font-size:clamp(32px,3.4vw,49px);line-height:1.16}h3{font-size:26px;letter-spacing:-.025em}em{font:inherit;font-style:normal}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:2px solid var(--blue);outline-offset:5px}.eyebrow{font-size:10px;font-weight:650;letter-spacing:.15em;color:var(--blue);margin-bottom:20px}.btn{border-radius:5px;font-size:13px;min-height:48px;font-weight:550;gap:26px}.btn:hover{background:#33373f;transform:none}.btn.outline:hover{background:#f3f5f8}.text-link{font-size:13px;gap:23px;font-weight:500;transition:color .15s}.text-link:hover{gap:23px;color:var(--blue)}.section{padding:90px 0}.wrap{max-width:1440px;padding-left:6.1%;padding-right:6.1%}
.site-header{height:90px;background:#fff;border-bottom:1px solid var(--line)}.site-header .wrap{gap:25px}.brand-name,html[lang="zh-CN"] .brand-name{font-family:var(--sans);font-size:25px;font-weight:650;letter-spacing:-.9px}.brand-dot{color:var(--blue)}.brand-sub{font-size:7px;letter-spacing:1.4px;font-weight:550;color:var(--muted);margin-top:8px}.desktop-nav{gap:25px}.desktop-nav>a,.nav-group summary{font-size:12px;font-weight:500}.desktop-nav a:after{display:none}.desktop-nav a:hover,.desktop-nav a.active{color:var(--blue)}.header-tools{gap:22px}.header-tools>.btn{font-size:12px;min-height:41px;padding:11px 18px}.lang-button{font-size:12px;min-width:30px}.nav-group{position:relative}.nav-group summary{cursor:pointer;list-style:none;display:flex;gap:7px;align-items:center;padding:18px 0;white-space:nowrap}.nav-group summary::-webkit-details-marker{display:none}.nav-group summary>span{font-size:15px;color:#858b95;line-height:1;transition:transform .15s}.nav-group[open] summary>span{transform:rotate(180deg)}.nav-group[open] summary{color:var(--blue)}.nav-dropdown{position:absolute;top:100%;left:-22px;min-width:245px;background:white;border:1px solid var(--line);border-radius:7px;box-shadow:0 14px 35px #16203415;padding:10px;z-index:60}.nav-dropdown a{display:block;font-size:13px;padding:11px 13px;border-radius:4px}.nav-dropdown a:hover,.nav-dropdown a[aria-current]{background:#f0f5fc;color:var(--blue)}
.professional-hero{background:white;padding:66px 0 70px}.professional-hero-grid{display:grid;grid-template-columns:1.17fr 1fr;gap:8%;align-items:center}.professional-hero-copy{padding:5px 0}.professional-hero h1{font-size:clamp(48px,5.35vw,78px);font-weight:650;line-height:1.045;letter-spacing:-.055em;margin:0 0 28px}.professional-hero .eyebrow{font-size:10px;margin-bottom:24px;letter-spacing:.13em}.professional-hero-copy>p{font-size:16px;color:var(--muted);line-height:1.85;max-width:445px}.professional-hero .actions{margin-top:31px;gap:12px}.hero-credentials{display:flex;gap:16px;color:var(--muted);font-size:11px;margin-top:43px}.hero-credentials span+span{border-left:1px solid var(--line);padding-left:16px}.professional-portrait{background:#f2f4f7;position:relative;border:1px solid #e6e8ed;border-radius:8px;overflow:hidden}.professional-portrait>img{aspect-ratio:1/1;object-fit:cover;object-position:center 28%}.professional-portrait-label{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:23px 24px;background:#fafbfc}.professional-portrait-label strong{display:block;font-size:18px;font-weight:600;letter-spacing:-.025em;line-height:1.4}.professional-portrait-label span{font-size:11px;color:var(--muted);margin-top:3px;display:block}.professional-portrait-label .text-link{font-size:11px;white-space:nowrap;gap:14px;border:0}.professional-portrait-label .arrow{color:var(--ink);font-size:18px;margin:0}
.quick-start{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fafbfc}.quick-start-grid{display:grid;grid-template-columns:repeat(3,1fr)}.quick-start-grid>a{display:flex;align-items:center;gap:19px;padding:28px 26px 28px 0}.quick-start-grid>a+a{border-left:1px solid var(--line);padding-left:30px}.quick-number{font-size:11px;color:#7c8491;align-self:flex-start;padding-top:5px}.quick-start h2{font-size:16px;letter-spacing:-.025em;font-weight:600;line-height:1.6}.quick-start p{font-size:11px;color:var(--muted);margin-top:3px}.quick-start .arrow{margin-left:auto;font-size:19px;color:var(--blue)}.quick-start a:hover h2{color:var(--blue)}
.portrait-frame{margin-right:0}.portrait-frame>img{aspect-ratio:1/1.04;border-radius:5px}.portrait-caption{left:20px;right:20px;bottom:20px;border:0;background:#fffefdeb;min-width:0;padding:18px 21px;border-radius:4px;backdrop-filter:blur(8px)}.portrait-caption strong{font:600 18px var(--sans);letter-spacing:-.025em}.portrait-caption small{font-size:8px;color:var(--muted);letter-spacing:1px}.about-grid{gap:10%}.about-copy h2{font-size:clamp(32px,3.3vw,47px)}.about-copy p{font-size:14px;line-height:1.9;max-width:455px}.about-copy .signature{font-family:var(--sans);font-style:normal;font-weight:600}.service-grid,.service-card+.service-card{border-color:var(--line)}.service-no{font:500 13px var(--sans);color:var(--blue);margin-bottom:31px}.service-card h3{font-size:29px}.service-card p{font-size:14px}.community-card{height:360px;border-radius:5px}.community-card:after{background:linear-gradient(0deg,#111722dd,transparent 80%)}.card-overlay .eyebrow{color:#fff;letter-spacing:.12em}.card-overlay h3{font-size:27px}.card-overlay p{color:#e1e6ee}.community-grid{grid-template-columns:repeat(3,1fr);gap:22px}.film-section{background:#17191d;color:#f5f6f8}.film-section .eyebrow{color:#a1bbdf}.film-section .section-head p,.film-card p,.film-foot{color:#bbc1cb}.film-image{background:#222833;border-radius:4px}.play{background:#11172266}.duration{background:#121820cf}.journal-photo{border-radius:5px}.journal-row .number{font:500 12px var(--sans);color:var(--blue)}.journal-row h3{font-size:23px;font-weight:550}.contact-band:after{display:none}.contact-band{background:#f3f5f8}.contact-band h2{font-size:clamp(35px,4vw,57px)}.site-footer{background:#17191d;color:#f2f4f8}.site-footer .brand-name{font-size:29px}.site-footer .brand-sub{color:#c0c5ce;font-size:7px;letter-spacing:1px}.footer-grid p,.footer-grid h4,.footer-bottom{color:#b1b8c4}.footer-grid h4{font-size:10px;font-weight:500}.footer-grid p,.footer-links{font-size:12px}.footer-bottom{font-size:10px}.social-line{font-size:11px}.page-hero{background:#f5f6f8;padding:61px 0 64px}.page-hero h1{max-width:1000px}.page-hero p{line-height:1.85}.breadcrumb{font-size:11px}.split>.feature-image{border-radius:5px}.prose h2{font-size:36px}.prose h3{font-size:26px}.quote{font:500 27px/1.5 var(--sans)}.facts strong{font:600 24px var(--sans)}.step{border-color:#cdd3dd}.step b{font:500 15px var(--sans);color:var(--blue)}.step h3{font-size:23px}.step p{font-size:14px}.filter-button{border-radius:5px}.filter-button.active{background:#17191d}.form-panel,.soft-panel{border-radius:6px}.pending{color:#626b79;font-style:normal}.field input,.field select,.field textarea,.search-field{border:1px solid #bfc6d0;background:#fff;border-radius:4px}.field{font-size:12px}.calc-output{background:#17191d;border-radius:6px}.calc-output .eyebrow{color:#b8cbe8}.payment-total{font:600 50px var(--sans);letter-spacing:-2px}.payment-total small,.calc-note{color:#c0c6d0}.payment-bar{background:#a4badc}.message-result{border-color:var(--line)}.modal-backdrop{background:#0b101ade}.video-modal p{color:#d0d5de}.community-detail-banner .eyebrow{color:#fff}.source-list{border-radius:5px}html[lang="zh-CN"] h1,html[lang="zh-CN"] h2{letter-spacing:-.025em;line-height:1.25}html[lang="zh-CN"] h3{letter-spacing:0}html[lang="zh-CN"] .professional-hero h1{font-size:clamp(45px,4.9vw,70px);line-height:1.2}html[lang="zh-CN"] .professional-hero .eyebrow{letter-spacing:.16em}
@media(min-width:1600px){.wrap{padding-left:85px;padding-right:85px}}
@media(max-width:1150px){.wrap{padding-left:5%;padding-right:5%}.desktop-nav{gap:21px}.header-tools>.btn{display:none}.professional-hero-grid{gap:6%}.professional-hero h1{font-size:60px}.professional-hero-copy>p{font-size:15px}.professional-portrait-label{padding:18px}.professional-portrait-label .text-link{display:none}.quick-start-grid>a{gap:13px}.quick-start-grid>a+a{padding-left:23px}.quick-start h2{font-size:15px}.quick-start p{font-size:10px}.section{padding:76px 0}}
@media(max-width:900px){.site-header{height:80px}.mobile-nav.open{top:80px;padding:13px 5% 24px;gap:0;max-height:calc(100svh - 80px);overflow:auto;background:#fff}.mobile-nav>a{padding:13px 0;border-bottom:1px solid var(--line);font-size:15px}.mobile-nav .nav-group{border-bottom:1px solid var(--line)}.mobile-nav .nav-group summary{font-size:15px;justify-content:space-between;padding:13px 0}.mobile-nav .nav-dropdown{position:static;border:0;box-shadow:none;min-width:0;padding:0 0 12px 10px}.mobile-nav .nav-dropdown a{font-size:14px}.professional-hero{padding:47px 0 52px}.professional-hero h1{font-size:51px}.professional-hero-copy>p{font-size:14px}.hero-credentials{font-size:9px;gap:10px;margin-top:30px}.hero-credentials span+span{padding-left:10px}.professional-hero .actions{gap:9px}.professional-hero .btn{padding:12px 15px;gap:15px;font-size:11px}.professional-portrait-label strong{font-size:16px}.professional-portrait-label span{font-size:10px}.quick-start-grid>a{padding:25px 16px 25px 0;gap:12px}.quick-start-grid>a+a{padding-left:18px}.quick-number{display:none}.quick-start h2{font-size:14px}.quick-start p{font-size:9px}.about-copy h2{font-size:33px}.community-card{height:320px}.card-overlay h3{font-size:22px}.section-head h2{font-size:38px}.footer-grid{grid-template-columns:1.5fr 1fr 1fr}.hero-credentials{flex-wrap:wrap}}
@media(max-width:650px){.wrap{padding-left:24px;padding-right:24px}.site-header{height:76px}.brand-name{font-size:24px}.brand-sub{font-size:6px;letter-spacing:1.05px}.site-header .wrap{gap:12px}.header-tools{gap:16px}.mobile-nav.open{top:76px;max-height:calc(100svh - 76px);padding-left:24px;padding-right:24px}.professional-hero{padding:39px 0 30px}.professional-hero-grid{grid-template-columns:1fr;gap:32px}.professional-hero h1{font-size:clamp(42px,10.6vw,61px);line-height:1.07;letter-spacing:-.055em;margin-bottom:21px}.professional-hero .eyebrow{font-size:8px;margin-bottom:20px}.professional-hero-copy>p{font-size:14px;line-height:1.85;max-width:100%}.professional-hero .actions{margin-top:25px;gap:11px}.professional-hero .btn{font-size:12px;padding:13px 20px;gap:25px}.hero-credentials{margin-top:25px;font-size:10px}.professional-portrait>img{aspect-ratio:1/.88;object-position:center 26%}.professional-portrait-label{padding:17px 19px}.professional-portrait-label .text-link{display:inline-flex}.professional-portrait-label strong{font-size:17px}.quick-start-grid{grid-template-columns:1fr}.quick-start-grid>a,.quick-start-grid>a+a{border-left:0;padding:20px 0;gap:18px}.quick-start-grid>a+a{border-top:1px solid var(--line)}.quick-number{display:block;font-size:10px}.quick-start h2{font-size:15px}.quick-start p{font-size:11px}.quick-start .arrow{font-size:21px}.section{padding:58px 0}.about-grid{gap:33px}.portrait-frame{margin:0}.portrait-frame>img{aspect-ratio:1/1}.portrait-caption{left:16px;right:16px;bottom:16px;padding:15px 17px}.portrait-caption strong{font-size:17px}.about-copy h2{font-size:35px}.about-copy p{font-size:14px}.section-head h2{font-size:35px}.service-card{padding:25px 0}.service-card+.service-card{border-color:var(--line)}.service-no{font-size:12px;top:29px}.service-card h3{font-size:26px}.service-card p{font-size:13px}.community-card,.community-grid:not(.community-all) .community-card:nth-child(n+2){height:300px}.card-overlay h3{font-size:27px}.journal-row h3{font-size:23px}.contact-band h2{font-size:39px}.footer-grid{grid-template-columns:1fr 1fr;gap:32px 24px}.footer-grid .brand-name{font-size:29px}.footer-grid .brand-sub{font-size:6px;letter-spacing:.8px}.footer-grid p,.footer-links{font-size:11px}.page-hero{padding:37px 0 42px}.page-hero h1{font-size:39px;line-height:1.15;letter-spacing:-.04em}.page-hero p{font-size:14px}.prose h2{font-size:31px}.prose h3{font-size:24px}.step h3{font-size:21px}.step p{font-size:13px}.step b{font-size:14px}.facts strong{font-size:21px}.form-panel h2{font-size:28px}.payment-total{font-size:46px}html[lang="zh-CN"] .professional-hero h1{font-size:43px;line-height:1.24}html[lang="zh-CN"] .section-head h2,html[lang="zh-CN"] .about-copy h2{font-size:32px}html[lang="zh-CN"] .page-hero h1{font-size:35px}}