:root{--red:#c62828;--red-dark:#a31f25;--ink:#292326;--muted:#70676a;--paper:#fcfaf7;--line:#e6dfdb;--soft:#f2eae5;--white:#fff;--radius:24px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}a,summary,button{-webkit-tap-highlight-color:transparent}a:focus-visible,summary:focus-visible{outline:3px solid var(--red);outline-offset:5px}::selection{background:#f5cbca;color:var(--ink)}.shell{width:min(1120px,calc(100% - 80px));margin-inline:auto}.skip-link{position:fixed;z-index:9;top:8px;left:8px;transform:translateY(-160%);padding:10px 16px;background:var(--ink);color:var(--white);border-radius:8px}.skip-link:focus{transform:none}.site-header{position:sticky;z-index:5;top:0;background:rgba(252,250,247,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.header-inner{height:88px;display:flex;align-items:center;gap:32px}.brand{display:inline-flex;align-items:center;gap:12px;white-space:nowrap;font-weight:750;font-size:21px;letter-spacing:-.6px}.brand img{display:block}.header-inner nav{margin-left:auto;display:flex;align-items:center;gap:30px;font-size:14px;font-weight:600}.header-inner nav a:hover,.footer-links a:hover{color:var(--red)}.language{font-size:13px;font-weight:650;border-left:1px solid var(--line);padding-left:26px;white-space:nowrap}.language span{margin-left:6px;color:var(--red)}.hero{padding-top:74px;padding-bottom:76px;display:grid;grid-template-columns:1.12fr 1fr;gap:68px;align-items:center}.eyebrow{display:flex;align-items:center;gap:10px;font-size:11px;line-height:1.6;font-weight:750;letter-spacing:1.5px;margin:0 0 22px}.red-dot{width:7px;height:7px;background:var(--red);border-radius:50%}.hero h1{font-size:clamp(54px,5.65vw,78px);line-height:1.08;font-weight:750;letter-spacing:-4px;margin:0 0 26px}.red-text{color:var(--red)}.hero-description{max-width:450px;margin:0;color:var(--muted);font-size:17px;line-height:1.85}.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:26px;margin-top:32px}.button{min-height:52px;display:inline-flex;align-items:center;justify-content:center;gap:22px;padding:13px 22px;border-radius:10px;font-size:14px;font-weight:650;transition:background .18s,transform .18s}.button-primary{background:var(--red);color:#fff}.button-primary:hover{background:var(--red-dark);transform:translateY(-2px)}.button-primary span:last-child{font-size:22px;line-height:1}.text-link{display:inline-flex;align-items:center;gap:12px;font-size:14px;font-weight:650;border-bottom:1px solid currentColor;padding-bottom:3px;line-height:1.5}.text-link:hover{color:var(--red)}.release-note{display:flex;align-items:center;gap:8px;margin:22px 0 0;color:var(--muted);font-size:11px}.status-dot{width:5px;height:5px;border-radius:50%;background:var(--muted)}.brand-art{position:relative;isolation:isolate;min-width:0;height:440px;overflow:hidden;border-radius:var(--radius);background:var(--red);color:var(--white);padding:30px 32px;display:flex;flex-direction:column;justify-content:space-between}.brand-art:before{content:"";position:absolute;width:440px;height:440px;border:1px solid rgba(255,255,255,.15);border-radius:50%;right:-200px;top:-205px;z-index:-1}.brand-art:after{content:"";position:absolute;width:520px;height:520px;border:1px solid rgba(255,255,255,.13);border-radius:50%;right:-240px;top:-245px;z-index:-1}.art-top{display:flex;justify-content:space-between;align-items:center}.art-label{font-size:10px;font-weight:650;letter-spacing:2.1px}.art-symbol{font-size:23px;color:#f4c9c9}.art-word{font-family:"Segoe UI",Arial,sans-serif;font-size:clamp(110px,13vw,174px);font-weight:850;letter-spacing:-13px;line-height:1;text-align:center;margin-left:-12px}.word-dot{color:#f7ac9f}.art-bottom{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;padding-top:22px;border-top:1px solid rgba(255,255,255,.25)}.art-bottom p{font-size:20px;font-weight:450;line-height:1.4;letter-spacing:-.3px;margin:0}.art-orbit{display:grid;place-items:center;width:43px;height:43px;flex-shrink:0;border:1px solid rgba(255,255,255,.45);border-radius:50%;font-size:23px}.intro-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.strip-inner{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:22px;font-size:13px;font-weight:550}.strip-divider{color:#c5b7b2;font-size:20px;font-weight:350}.feature-section{padding-top:88px;padding-bottom:78px}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:60px;margin-bottom:28px}.section-heading .eyebrow{color:var(--red);margin-bottom:16px}h2{font-size:clamp(30px,3.1vw,42px);line-height:1.22;font-weight:650;letter-spacing:-1.5px;margin:0}.section-heading>p{max-width:280px;margin:0 0 3px;font-size:15px;color:var(--muted);line-height:1.8}.feature-row{display:grid;grid-template-columns:58px 1fr 220px;gap:26px;align-items:center;border-bottom:1px solid var(--line);padding:32px 0;min-height:171px}.feature-number{align-self:start;padding-top:4px;font-size:12px;font-weight:650;letter-spacing:1px;color:var(--red)}.feature-copy h3{font-size:22px;line-height:1.35;letter-spacing:-.65px;font-weight:650;margin:0 0 10px}.feature-copy p{margin:0;max-width:560px;color:var(--muted);font-size:14px;line-height:1.85}.feature-visual{position:relative;height:106px;display:flex;align-items:center;justify-content:center;background:var(--soft);border-radius:14px}.mini-tab{position:absolute;display:block;width:106px;height:67px;border-radius:7px;border:1px solid #d3c6c0;background:var(--paper)}.back-tab{transform:translate(-12px,-6px) rotate(-8deg);background:#e8dcd6}.front-tab{transform:translate(6px,6px) rotate(4deg);display:flex;flex-direction:column;justify-content:center;gap:6px;padding:15px 18px;border-color:#d5c5bf}.front-tab:before{content:"";position:absolute;top:0;left:0;right:0;height:10px;border-bottom:1px solid #d5c5bf;background:#f7efeb;border-radius:7px 7px 0 0}.front-tab i{height:3px;width:55px;background:#ddcfca;border-radius:4px}.front-tab i:nth-child(2){width:40px;background:var(--red)}.tab-badge{position:absolute;right:44px;bottom:16px;width:28px;height:28px;display:grid;place-items:center;background:var(--red);color:#fff;border-radius:8px;font-weight:650;font-size:12px}.visual-home{display:grid;grid-template-columns:38px 38px;grid-template-rows:32px 32px;gap:8px}.visual-home span{display:grid;place-items:center;background:var(--paper);border:1px solid #e2d5ce;color:var(--red);font-size:21px;border-radius:7px;line-height:1}.visual-home span:last-child{background:var(--red);color:var(--white);border-color:var(--red)}.visual-type{gap:13px;padding-bottom:14px;align-items:flex-end}.visual-type>span:first-child{font-family:Georgia,serif;font-size:36px;line-height:1;color:#a38b80}.visual-type>span:nth-child(2){font-family:Georgia,serif;font-size:65px;line-height:1;color:var(--red)}.visual-type .type-underline{position:absolute;bottom:15px;height:3px;width:97px;background:#dbcac1;border-radius:3px}.tools-line{display:flex;align-items:flex-start;gap:30px;padding-top:26px}.tools-label{flex-shrink:0;color:var(--red);font-size:10px;font-weight:750;letter-spacing:1.1px;padding-top:4px}.tools-line p{margin:0;color:var(--muted);font-size:12px;line-height:2}.care-section{background:#f1e9e4;border-block:1px solid #e9dfd8;padding:60px 0}.care-inner{display:grid;grid-template-columns:1fr 1fr;gap:110px}.care-inner .eyebrow{color:var(--red);margin-bottom:18px}.care-inner h2{font-size:36px}.care-copy p{font-size:14px;margin:0 0 15px;line-height:1.9}.muted{color:var(--muted)}.care-copy .text-link{margin-top:4px}.help-section{padding-top:86px;padding-bottom:90px}.help-section .section-heading{margin-bottom:32px}.faq-list{border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line)}summary{position:relative;list-style:none;cursor:pointer;padding:23px 48px 23px 0;font-size:16px;font-weight:600;line-height:1.6}summary::-webkit-details-marker{display:none}summary:after{content:"＋";position:absolute;right:4px;top:21px;font-size:22px;font-weight:400;color:var(--red)}details[open] summary:after{content:"−"}.faq-answer{max-width:870px;padding:0 50px 24px 0;color:var(--muted);font-size:14px;line-height:1.9}.faq-answer p{margin:0}.faq-answer a{display:inline-block;margin-top:12px;color:var(--red);text-decoration:underline;text-underline-offset:4px}.site-footer{padding:34px 0 25px;background:#eee6e0;border-top:1px solid #e3d8d0}.footer-top{display:flex;justify-content:space-between;align-items:center;gap:30px;padding-bottom:26px}.footer-top .brand{font-size:18px}.footer-links{display:flex;gap:26px;font-size:12px}.footer-bottom{display:flex;justify-content:space-between;gap:28px;border-top:1px solid #dfd2c9;padding-top:20px;color:var(--muted);font-size:10px}.footer-bottom p{margin:0}html[lang="zh-Hans"] .hero h1{font-size:clamp(44px,4.7vw,65px);letter-spacing:-2px;line-height:1.25}html[lang="zh-Hans"] .art-bottom p{font-size:19px}html[lang="zh-Hans"] h2{letter-spacing:-1px}
@media(min-width:1440px){.hero{gap:94px}.brand-art{height:465px}}
@media(max-width:1000px){.shell{width:calc(100% - 56px)}.hero{gap:38px;padding-top:54px;padding-bottom:58px}.hero h1{font-size:57px;letter-spacing:-2.8px}.brand-art{height:395px;padding:26px}.art-word{font-size:132px;letter-spacing:-10px}.hero-description{font-size:15px}.hero-actions{gap:20px}.button{font-size:13px;padding-inline:17px;gap:16px}.care-inner{gap:55px}.feature-row{grid-template-columns:38px 1fr 170px;gap:20px}.feature-copy h3{font-size:21px}.section-heading{gap:36px}.tab-badge{right:21px}.strip-inner{gap:16px;font-size:11px}.care-inner h2{font-size:32px}}
@media(max-width:720px){html{scroll-padding-top:90px}.shell{width:calc(100% - 40px)}.header-inner{height:76px;gap:16px}.brand{font-size:19px;gap:9px}.brand img{width:36px;height:36px}.header-inner nav{gap:18px;font-size:12px}.header-inner nav .nav-privacy{display:none}.language{padding-left:16px;font-size:12px}.hero{grid-template-columns:1fr;gap:36px;padding-top:44px;padding-bottom:38px}.hero h1{font-size:66px;letter-spacing:-3px;margin-bottom:22px}.hero-description{font-size:16px;max-width:520px}.hero .eyebrow{margin-bottom:18px}.hero-actions{margin-top:26px;gap:26px}.release-note{margin-top:18px}.brand-art{height:310px;padding:24px 28px}.art-word{font-size:145px;letter-spacing:-11px}.art-bottom{padding-top:14px}.art-bottom p{font-size:16px}.art-orbit{height:34px;width:34px;font-size:20px}.strip-inner{min-height:90px;justify-content:center;flex-wrap:wrap;gap:3px 16px;padding-block:18px;font-size:11px}.strip-divider{display:none}.strip-inner span:not(.strip-divider){width:100%;text-align:center}.feature-section{padding-top:50px;padding-bottom:44px}.section-heading{display:block;margin-bottom:16px}.section-heading>p{max-width:100%;margin-top:18px;font-size:14px}h2{font-size:32px;letter-spacing:-1px}.feature-row{grid-template-columns:25px 1fr 112px;gap:12px;padding:25px 0;min-height:158px}.feature-number{font-size:10px}.feature-copy h3{font-size:19px}.feature-copy p{font-size:13px;line-height:1.8}.feature-visual{height:96px}.mini-tab{width:72px;height:52px}.front-tab{padding:16px 12px 9px;gap:5px}.front-tab i{width:39px;height:2px}.front-tab i:nth-child(2){width:29px}.tab-badge{width:24px;height:24px;right:8px;bottom:7px;font-size:11px}.visual-home{grid-template-columns:30px 30px;grid-template-rows:27px 27px;gap:7px}.visual-home span{font-size:18px}.visual-type{gap:7px}.visual-type>span:first-child{font-size:28px}.visual-type>span:nth-child(2){font-size:53px}.visual-type .type-underline{width:74px}.tools-line{display:block;padding-top:22px}.tools-label{display:block;margin-bottom:8px}.tools-line p{font-size:12px}.care-section{padding:40px 0}.care-inner{grid-template-columns:1fr;gap:25px}.care-inner h2{font-size:31px}.care-inner .eyebrow{margin-bottom:14px}.care-copy p{font-size:14px}.help-section{padding-top:48px;padding-bottom:52px}.help-section .section-heading{margin-bottom:22px}summary{font-size:15px;padding-block:20px}summary:after{top:17px}.faq-answer{padding-right:22px;font-size:13px}.footer-top{align-items:flex-start;flex-direction:column;gap:22px}.footer-links{width:100%;gap:22px}.footer-bottom{flex-direction:column;gap:8px}.footer-bottom p{font-size:10px}html[lang="zh-Hans"] .hero h1{font-size:52px;letter-spacing:-1.8px}}
@media(max-width:400px){.header-inner nav{gap:12px}.header-inner nav a:first-child{display:none}.brand{font-size:18px}.hero h1{font-size:57px}.hero-actions{gap:22px}.hero-description{font-size:15px}.feature-row{grid-template-columns:22px 1fr;gap:10px}.feature-visual{display:none}.feature-copy h3{font-size:20px}.feature-copy p{font-size:14px}.footer-links{gap:18px;font-size:11px}html[lang="zh-Hans"] .hero h1{font-size:44px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button{transition:none}.button-primary:hover{transform:none}}