@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;450;500;550;600;650;700&family=Manrope:wght@400;500;600;650;700;750;800&display=swap');
:root{--blue:#1554ed;--ink:#141c2f;--muted:#687181;--line:#e6e9f0;--off:#f5f7fb;--navy:#0e1e3b}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;color:var(--ink);font-family:'DM Sans',Arial,'Microsoft YaHei',sans-serif;font-size:15px;-webkit-font-smoothing:antialiased;background:#fff}button,input,textarea{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a{color:inherit;text-decoration:none}button{color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #8eacff;outline-offset:4px}button:disabled{opacity:.5;cursor:not-allowed}svg{width:24px;height:24px}img{display:block;max-width:100%}.wrap{max-width:1240px;margin-left:auto;margin-right:auto;width:calc(100% - 96px)}.header{height:88px;padding:0 48px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:24px;max-width:1536px;margin:auto}.brand{display:flex;align-items:center;gap:7px;font-family:'Manrope',sans-serif;font-size:27px;font-weight:800;letter-spacing:-1.2px;font-style:italic;white-space:nowrap}.brand svg{width:28px;height:32px;color:var(--blue)}.brand-dot{color:var(--blue)}.desktop-nav{display:flex;gap:34px;margin-left:35px;font-size:13px;font-weight:550}.desktop-nav a{padding:12px 0;transition:color .2s}.desktop-nav a:hover,.text-link:hover{color:var(--blue)}.header-actions{display:flex;align-items:center;gap:24px}.language{border:0;background:none;display:flex;gap:7px;align-items:center;font-size:12px;font-weight:600}.language>span:first-child{font-size:20px}.tiny-chevron{font-size:15px;color:#8d94a2}.btn{display:inline-flex;align-items:center;justify-content:center;gap:15px;font-size:13px;font-weight:650;min-height:49px;padding:14px 22px;border:1px solid transparent;border-radius:6px;transition:background .18s,transform 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center}.image-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,15,30,.18),transparent 45%,rgba(2,11,26,.65))}.visual-kicker{position:absolute;top:30px;left:30px;color:#fff;font-size:9px;font-weight:600;letter-spacing:2px;opacity:.85}.visual-caption{position:absolute;bottom:45px;left:34px;display:flex;gap:15px;color:#fff;align-items:center}.round-play{height:43px;width:43px;border:1px solid #ffffff55;border-radius:50%;display:grid;place-items:center;background:#ffffff12;backdrop-filter:blur(10px)}.round-play svg{width:17px;fill:white}.caption-top{display:block;font-family:Manrope,sans-serif;font-size:21px;font-weight:650;letter-spacing:-.5px}.caption-bottom{display:block;font-size:11px;opacity:.72;margin-top:5px}.image-disclaimer{position:absolute;bottom:13px;right:17px;color:#ffffff99;font-size:8px;letter-spacing:.5px}.quick-links{display:grid;grid-template-columns:repeat(3,1fr);border-bottom:1px solid var(--line);padding:29px 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#00102c44}dialog::backdrop{background:#071831a6;backdrop-filter:blur(4px)}.modal-close{position:absolute;right:15px;top:11px;width:32px;height:32px;background:#f2f4f8;border:0;border-radius:50%;font-size:23px;color:#667184}.modal-eyebrow{font-size:10px;color:var(--blue);letter-spacing:1.5px;font-weight:650;margin-bottom:10px}.modal-title{font-size:28px;line-height:1.3;letter-spacing:-1px;padding-right:10px;margin-bottom:14px}.modal-description{font-size:13px;color:#6d788c;line-height:1.9;margin-bottom:20px}.modal-content p{line-height:1.8}.modal-notice{background:#f1f5fc;padding:15px;border-radius:6px;font-size:12px;line-height:1.8;color:#586b89;margin:20px 0}.modal-steps{padding-left:23px;color:#546278;font-size:13px;line-height:1.9}.modal-steps li{padding:6px 0 6px 5px}.modal-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.field{display:flex;flex-direction:column;gap:7px;margin-top:17px}.field>span{font-size:12px;font-weight:600}.field input,.field textarea{width:100%;padding:11px 13px;border:1px solid #dce3ef;border-radius:5px;font-size:13px;line-height:1.6;background:white;color:var(--ink)}.field textarea{min-height:105px;resize:vertical}.field small{font-size:10px;color:#8a95a8}.consent{font-size:11px;color:#748196;line-height:1.8;margin-top:17px}.request-output{margin-top:20px;border-top:1px solid var(--line);padding-top:20px}.request-output h3{font-size:16px;margin-bottom:7px}.request-output pre{font-family:inherit;font-size:12px;white-space:pre-wrap;background:#f3f6fc;border:1px solid #e2e8f3;border-radius:5px;padding:15px;line-height:1.8;max-height:220px;overflow:auto}.request-output p{font-size:11px;color:#748196;line-height:1.8}.toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%) translateY(100px);opacity:0;z-index:99;background:var(--ink);color:white;padding:14px 23px;border-radius:7px;font-size:12px;box-shadow:0 5px 30px #0002;transition:.2s;max-width:90%;text-align:center}.toast.visible{opacity:1;transform:translateX(-50%) translateY(0)}.video-frame{width:100%;aspect-ratio:16/9;border:0;border-radius:8px;margin:10px 0 20px}html[lang=zh-CN] h1{font-size:52px;letter-spacing:-1px}html[lang=zh-CN] .hero-description{line-height:2.1}html[lang=zh-CN] h2{letter-spacing:0;font-size:30px}
@media(min-width:1536px){.hero-copy{padding-left:100px}}
@media(max-width:1150px){.header{padding:0 32px}.wrap{width:calc(100% - 64px)}.hero-copy{padding:57px 30px 38px 32px}.hero,.hero-visual{min-height:520px}.hero-buttons{gap:18px}.hero-description{font-size:14px}.hero-buttons .btn{font-size:11px;padding:12px 16px}.hero-note{font-size:9px}.desktop-nav{gap:25px;margin-left:0}.header-actions{gap:15px}.quick-links>a,.quick-links>button{padding:4px 22px;gap:12px}.quick-links strong{font-size:11px}.quick-links div>span{font-size:9px}.rewards-section{gap:40px;padding:40px}.rewards-copy h2{font-size:31px}.faq-section{gap:60px}.guide-card h3{font-size:15px}.card-body{padding:17px}.community{padding-left:0;padding-right:0}.community p{max-width:480px}}
@media(max-width:850px){.desktop-nav{display:none}.header{height:75px}.hero{grid-template-columns:1fr 1fr}.hero-copy{padding:42px 25px 32px 32px}h1{font-size:43px;letter-spacing:-2px}.hero-description{font-size:12px;line-height:1.9}.hero-note{margin-top:25px;font-size:8px}.hero,.hero-visual{min-height:510px}.hero-buttons{margin-top:24px;gap:18px}.section-heading{gap:25px}h2{font-size:27px}.section-heading>p{width:265px;font-size:11px}.guide-controls{align-items:flex-start;gap:10px}.tab{font-size:10px;padding:8px 10px}.guide-grid{gap:15px}.card-body{padding:14px}.guide-card h3{font-size:14px;min-height:42px}.guide-card p{font-size:10px;min-height:54px}.quick-links{gap:0;padding:24px 0}.quick-links>a,.quick-links>button{padding:4px 16px}.quick-icon{width:33px;height:33px;font-size:22px;border-radius:7px}.quick-links .arrow{display:none}.quick-links strong{font-size:10px}.quick-links div>span{font-size:8px}.rewards-section{padding:35px 30px;gap:30px;grid-template-columns:1.1fr 1fr}.rewards-copy h2{font-size:28px}.reward-step{gap:14px}.reward-step p{font-size:10px}.community h3{font-size:16px}.community p{max-width:360px}.faq-section{gap:40px;grid-template-columns:1fr 1.25fr}.faq-heading h2{font-size:27px}html[lang=zh-CN] h1{font-size:39px}}
@media(max-width:620px){html{scroll-padding-top:20px}.wrap{width:calc(100% - 40px)}.header{height:70px;padding:0 20px;gap:12px}.brand{font-size:23px}.brand svg{width:24px}.header-actions{gap:12px}.header-actions .btn{font-size:10px;min-height:34px;padding:8px 10px;gap:10px}.language{gap:4px;font-size:10px}.language>span:first-child{font-size:17px}.hero{display:flex;flex-direction:column}.hero-copy{padding:40px 24px 35px}.eyebrow{font-size:9px;letter-spacing:1.5px}h1{font-size:48px;letter-spacing:-2.5px;margin:18px 0}.hero-description{font-size:13px;max-width:370px}.hero-buttons{gap:19px;align-items:flex-start;flex-direction:column;margin-top:23px}.hero-buttons .btn{min-height:47px;font-size:12px;padding:13px 19px}.hero-buttons .text-link{font-size:11px}.hero-note{font-size:9px;margin-top:24px}.hero-visual{min-height:285px;max-height:360px}.hero-visual img{object-position:50% 60%}.visual-kicker{top:20px;left:24px;font-size:8px}.visual-caption{bottom:30px;left:24px}.caption-top{font-size:21px}.caption-bottom{font-size:10px}.image-disclaimer{font-size:7px}.quick-links{grid-template-columns:1fr;padding:12px 0}.quick-links>a,.quick-links>button{border-right:0;border-bottom:1px solid var(--line);padding:16px 0;gap:14px}.quick-links>:first-child{padding-top:16px}.quick-links>:last-child{padding-bottom:16px}.quick-links strong{font-size:12px;margin-bottom:5px}.quick-links div>span{font-size:10px}.quick-links .arrow{display:block}.quick-icon{width:38px;height:38px;font-size:24px}.section{padding:44px 0}.section-heading{display:block;margin-bottom:22px}h2{font-size:27px;letter-spacing:-.9px}.section-heading>p{width:auto;font-size:12px;margin-top:14px;max-width:350px}.guide-controls{flex-direction:column;gap:16px;margin-bottom:21px}.tabs{gap:3px;width:100%;flex-wrap:nowrap}.tab{padding:8px 10px;font-size:10px}.search-box{width:100%;max-width:none;padding:11px 13px}.search-box input{font-size:12px}.guide-grid{grid-template-columns:1fr;gap:22px}.guide-card h3{font-size:20px;min-height:0;margin-top:10px}.guide-card p{min-height:0;font-size:12px}.card-body{padding:21px}.card-eyebrow{font-size:9px}.card-bottom{margin-top:20px}.card-bottom>span{font-size:10px}.card-bottom button{font-size:12px}.guide-label{font-size:9px;bottom:14px;left:16px}.model-note{flex-wrap:wrap;padding:17px;gap:9px;margin-top:20px;align-items:flex-start}.model-note p{flex:1;font-size:11px}.model-note .text-link{margin-left:26px;width:100%;justify-content:flex-start;font-size:11px}.info-icon{margin-top:2px}.rewards-section{display:block;padding:30px 25px;border-radius:8px}.rewards-copy h2{font-size:31px;margin:14px 0}.rewards-copy>p{font-size:12px}.rewards-copy .reward-footnote{font-size:10px}.rewards-copy .btn{font-size:12px;min-height:45px}.reward-steps{border-top:1px solid #ffffff20;margin-top:29px;padding-top:29px;gap:24px}.reward-step{gap:17px}.reward-step h3{font-size:14px}.reward-step p{font-size:11px;max-width:none}.community{padding-top:31px;padding-bottom:30px;gap:14px;flex-wrap:wrap}.community-symbol{font-size:62px}.community>div{flex:1}.community h3{font-size:17px;line-height:1.5}.community p{font-size:11px;line-height:1.8}.community>.text-link{margin-left:40px;font-size:11px}.faq-section{display:block;padding-top:44px;padding-bottom:40px}.faq-heading h2{max-width:none;font-size:28px}.faq-heading p{max-width:none}.faq-heading>.text-link{margin-top:15px}.faq-list{margin-top:28px}.faq-list summary{font-size:12px;padding:20px 0}.faq-list details>p{font-size:12px}.support-band{padding:26px 24px;display:block}.support-band h2{font-size:25px}.support-band p{font-size:12px;line-height:1.8}.support-band .btn{margin-top:22px;font-size:11px}.footer{padding:34px 0 94px}.footer-top{flex-wrap:wrap;gap:15px;padding-bottom:24px}.footer-top p{margin-left:auto;font-size:9px}.footer-top>.text-link{margin-left:0;width:100%;justify-content:flex-start;font-size:11px}.footer-bottom{flex-direction:column;gap:18px;font-size:9px}.footer-bottom>div{gap:25px}.mobile-nav{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:20;background:#ffffffed;backdrop-filter:blur(15px);border-top:1px solid var(--line);padding:9px 20px max(10px,env(safe-area-inset-bottom));justify-content:space-around;box-shadow:0 -3px 25px #19386108}.mobile-nav a,.mobile-nav button{display:flex;align-items:center;flex-direction:column;gap:3px;min-width:75px;background:none;border:0;font-size:9px;color:#76849d;padding:0}.mobile-nav a:first-child{color:var(--blue)}.mobile-nav span:first-child{font-size:21px;line-height:24px}.toast{bottom:80px}dialog{padding:32px 23px;max-height:88vh}.modal-title{font-size:25px}.modal-actions .btn{font-size:11px;min-height:44px;padding:12px 15px}.modal-description{font-size:12px}.modal-notice{font-size:11px}html[lang=zh-CN] h1{font-size:44px}html[lang=zh-CN] h2{font-size:27px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}