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button.active{width:34px;background:#fff}.homepage-carousel__lightbox{position:fixed;z-index:100;inset:0;display:grid;place-items:center;padding:34px;background:#081f3494;backdrop-filter:blur(18px) saturate(125%);-webkit-backdrop-filter:blur(18px) saturate(125%);cursor:zoom-out}.homepage-carousel__lightbox img{width:min(70vw,1180px);height:min(70vh,760px);object-fit:contain;object-position:center;border-radius:10px;background:#fff;box-shadow:0 24px 80px #00000061;transition:transform .12s ease-out;cursor:zoom-out}.homepage-carousel__lightbox-close{position:absolute;z-index:1;top:18px;right:24px;width:44px;height:44px;border:1px solid rgba(255,255,255,.65);border-radius:50%;color:#fff;background:#00000047;font-size:28px;line-height:1;cursor:pointer}.homepage-carousel__lightbox-close:hover{background:var(--red)}.homepage-carousel--compact{margin-top:38px;border-radius:24px}.homepage-carousel--compact .homepage-carousel__viewport{min-height:clamp(320px,41vw,520px)}.homepage-carousel--vertical .homepage-carousel__viewport{overflow:hidden}.homepage-carousel--vertical .homepage-carousel__arrow--previous{top:24px;transform:none}.homepage-carousel--vertical .homepage-carousel__arrow--next{top:auto;bottom:24px;transform:none}.homepage-carousel--compact .homepage-carousel__content h2{max-width:680px;font-size:clamp(2rem,4.2vw,4rem)}.online-store{position:relative;min-height:300px;margin-top:38px;overflow:hidden;padding:clamp(32px,5vw,64px);display:grid;grid-template-columns:minmax(0,1fr) 230px;align-items:center;gap:clamp(28px,5vw,72px);border:1px solid rgba(8,47,94,.1);border-radius:28px;color:var(--ink);background:radial-gradient(circle at 88% 18%,rgba(185,223,210,.8),transparent 27%),linear-gradient(115deg,#f8fcfa,#e9f6f1);box-shadow:0 1.5rem 3.8rem #082f5e17}.online-store:before{position:absolute;top:-140px;right:-80px;width:380px;height:380px;border:1px solid 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.brand-lockup__logo{width:52px;height:52px}.primary-nav{display:flex;align-items:center;gap:24px;color:#334654;font-size:.94rem;font-weight:600}.primary-nav a{transition:color .18s ease}.primary-nav a:hover{color:var(--red)}.primary-nav .primary-nav__sample{color:var(--red);font-weight:700}.primary-nav__auth{padding:0;border:0;color:var(--navy);background:transparent;cursor:pointer;font-weight:700}.primary-nav__auth:hover{color:var(--red)}.primary-nav__cta{padding:12px 19px;border-radius:999px;color:#fff!important;background:var(--navy)}.locale-switcher{position:relative;display:inline-flex;align-items:center}.locale-switcher:after{position:absolute;right:13px;width:6px;height:6px;border-right:1.5px solid var(--navy);border-bottom:1.5px solid var(--navy);content:"";pointer-events:none;transform:translateY(-2px) rotate(45deg)}.locale-switcher select{min-width:122px;height:42px;padding:0 34px 0 14px;border:1px solid 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h1,html[lang^=zh] h2,html[lang^=zh] h3{font-family:Times New Roman,PingFang TC,Microsoft JhengHei,PingFang SC,Microsoft YaHei,sans-serif;letter-spacing:.01em}html[lang^=zh] h1{font-size:clamp(3.1rem,5.4vw,5.7rem);line-height:1.12}html[lang^=zh] .eyebrow{letter-spacing:.12em;text-transform:none}h1{max-width:720px;color:var(--navy-deep);font-size:clamp(3.3rem,6vw,6.5rem);line-height:.98}.hero__lead{max-width:650px;margin:30px 0 0;color:var(--muted);font-size:1.16rem;line-height:1.75}.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 25px;border:1px solid transparent;border-radius:999px;cursor:pointer;font-weight:700;transition:transform .18s ease,background .18s 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span{display:block}.company-profile__content>p{margin:0;color:var(--muted);font-size:1.06rem;line-height:1.85}.company-profile__facts{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:44px 0 0}.company-profile__facts div{min-height:135px;padding:23px 18px;border:1px solid var(--line);border-radius:16px;background:#fff}.company-profile__facts dt{color:var(--red);font-family:Times New Roman,Arial,sans-serif;font-size:1.35rem;font-weight:700}.company-profile__facts dd{margin:13px 0 0;color:var(--muted);font-size:.78rem;line-height:1.5}.company-profile__services{grid-column:1 / -1;margin-top:22px;padding-top:58px;border-top:1px solid var(--line)}.company-profile__services>header{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(320px,.95fr);gap:72px;align-items:end;margin-bottom:38px}.company-profile__services h3{max-width:760px;margin:12px 0 0;color:var(--navy-deep);font-size:clamp(1.9rem,3.2vw,3.25rem);line-height:1.16}.company-profile__services>header>p{margin:0;color:var(--muted);line-height:1.8}.company-profile__services>.company-profile__services-header--single{grid-template-columns:minmax(0,1fr)}.company-profile__services-header--single h3{max-width:none;font-size:clamp(1.9rem,2.35vw,2.25rem);white-space:pre-line}.company-profile__service-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.company-profile__service-grid article{position:relative;min-height:265px;overflow:hidden;padding:34px 30px;border:1px solid var(--line);border-radius:20px;background:linear-gradient(145deg,#fff,#f6faf8)}.company-profile__service-grid article:after{position:absolute;right:-45px;bottom:-70px;width:150px;height:150px;border:1px solid rgba(21,61,64,.08);border-radius:50%;box-shadow:0 0 0 30px #153d4006;content:""}.company-profile__service-grid span{color:var(--red);font-size:.72rem;font-weight:800;letter-spacing:.16em}.company-profile__service-grid h4{margin:20px 0 14px;color:var(--navy-deep);font-size:1.3rem}.company-profile__service-grid p{position:relative;z-index:1;margin:0;color:var(--muted);font-size:.92rem;line-height:1.75}.trust-strip{color:#fff;background:var(--navy)}.trust-strip__grid{display:grid;grid-template-columns:repeat(3,1fr)}.trust-strip article{min-height:260px;padding:52px 42px;border-left:1px solid rgba(255,255,255,.14)}.trust-strip article:last-child{border-right:1px solid rgba(255,255,255,.14)}.trust-strip span{color:#7cc8b5;font-size:.75rem;font-weight:700;letter-spacing:.16em}.trust-strip h2{margin-top:34px;font-size:1.45rem}.trust-strip p{margin:13px 0 0;color:#c6d3dd;line-height:1.65}.products{padding-block:130px}.products.section-shell{width:min(1600px,calc(100% - 96px))}.product-filters{display:flex;flex-wrap:wrap;gap:10px;margin:-20px 0 34px}.product-filters button{border:1px solid 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h2{white-space:nowrap}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.product-carousel{position:relative;padding-block:32px 0;touch-action:pan-y}.product-carousel .product-grid{display:flex;gap:22px;align-items:stretch;min-height:0;overflow-x:auto;cursor:grab;user-select:none;scrollbar-width:none;overscroll-behavior-x:contain;touch-action:pan-y}.product-carousel .product-grid::-webkit-scrollbar{display:none}.product-carousel .product-grid.is-swiping{cursor:grabbing}.independent-test{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:2rem;align-items:center;width:100vw;max-width:none;margin:0 calc(50% - 50vw) 5rem;padding:2.5rem max(1.5rem,calc((100vw - 1180px)/2));border-block:1px solid rgba(178,35,46,.16);box-sizing:border-box;background:linear-gradient(90deg,#fff0f0,#fff8f8 55%,#fff0f0)}.independent-test__badge{padding:1.1rem 1.45rem;border-radius:999px;color:#fff;background:var(--red);box-shadow:0 8px 20px #b2232e2e;font-size:1.12rem;font-weight:800;letter-spacing:.06em;white-space:nowrap}.independent-test__content .eyebrow{margin:0 0 .5rem;color:var(--red);font-size:.9rem;font-weight:800}.independent-test__content h2{margin:0 0 .55rem;color:var(--navy);font-size:clamp(1.45rem,2.6vw,2rem)}.independent-test__content p:last-child{margin:0;color:var(--muted);font-size:1.08rem;line-height:1.7}.independent-test__link{color:var(--red);font-size:1.05rem;font-weight:800;white-space:nowrap}@media(max-width:720px){.independent-test{grid-template-columns:1fr;gap:1rem;margin-bottom:3rem;padding:1.75rem 1rem}.independent-test__link{justify-self:start}}.product-carousel__arrow{position:absolute;z-index:1;top:50%;width:46px;height:46px;border:1px solid var(--line);border-radius:50%;color:var(--navy);background:#fffffff0;box-shadow:0 8px 20px 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h2{padding-right:38px;color:var(--navy-deep);font-size:clamp(2rem,6vw,3rem);line-height:1.12}.auth-dialog__close{position:absolute;top:18px;right:18px;display:grid;place-items:center;width:40px;height:40px;border:0;border-radius:50%;color:var(--navy);background:#eef3f4;cursor:pointer;font-size:1.6rem;line-height:1}.auth-dialog__lead{margin:16px 0 0;color:var(--muted);line-height:1.6}.auth-tabs{display:grid;grid-template-columns:1fr 1fr;gap:4px;margin:28px 0 24px;padding:4px;border-radius:12px;background:#eef3f4}.auth-tabs button{height:44px;border:0;border-radius:9px;color:var(--muted);background:transparent;cursor:pointer;font-weight:700}.auth-tabs button.is-active{color:var(--navy);background:#fff;box-shadow:0 4px 14px #082f5e14}.auth-form{display:grid;gap:18px}.auth-form label{display:grid;gap:8px}.auth-form label>span{color:#334654;font-size:.82rem;font-weight:700}.auth-form input{width:100%;height:49px;padding-inline:14px;border:1px solid #cdd8dc;border-radius:10px;outline:0;color:var(--ink);background:#fff}.auth-form input:focus{border-color:var(--navy);box-shadow:0 0 0 3px #082f5e1a}.auth-form small{color:var(--muted);font-size:.75rem}.auth-form__code-row{display:grid;grid-template-columns:1fr auto;gap:10px}.auth-form__code-row button{min-width:135px;padding-inline:14px;border:1px solid var(--navy);border-radius:10px;color:var(--navy);background:#fff;cursor:pointer;font-size:.82rem;font-weight:700}.auth-form__forgot-row{display:flex;justify-content:flex-end;margin-top:-8px}.auth-form__forgot{padding:0;border:0;color:var(--navy);background:transparent;font-size:.78rem;cursor:pointer}.auth-form__forgot:hover{color:var(--red)}.auth-form__code-row button:disabled{cursor:wait;opacity:.55}.auth-form__feedback{margin:0;color:#14705b;font-size:.86rem;line-height:1.5}.auth-form__feedback--error{color:#bc2f33}.auth-form__submit{width:100%;margin-top:4px;border:0}.auth-dialog__account-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}@media(max-width:1080px){.online-store{grid-template-columns:1fr;gap:28px}.online-store__mark{width:170px;min-height:170px}.brand-lockup--compact .brand-lockup__copy small{display:none}.brand__one-plus-logo{width:160px}.primary-nav{gap:16px}}@media(max-width:980px){.products.section-shell{width:min(100% - 32px,1180px)}.online-store{grid-template-columns:1fr;gap:24px}.online-store__mark{width:170px;min-height:170px}.hero{grid-template-columns:1fr;gap:48px;padding-top:64px}.hero__content{max-width:760px}.hero__visual{width:min(100%,650px);justify-self:center}.section-heading,.company-profile,.care,.contact-section__primary{grid-template-columns:1fr;gap:48px}.section-heading--products{gap:0}html[lang=zh-Hans] .section-heading--products h2,html[lang=zh-Hant] .section-heading--products h2,html[lang=zh-Hans] .contact-section__heading h2,html[lang=zh-Hant] .contact-section__heading h2{white-space:normal}.company-profile__services>header{grid-template-columns:1fr;gap:22px}.company-profile__service-grid{grid-template-columns:1fr}.company-profile__service-grid article{min-height:auto}.company-profile__service-grid h4{margin-top:34px}.product-grid{grid-template-columns:repeat(2,1fr)}.product-card:last-child{grid-column:1 / -1}.care__media{height:540px}.site-footer__inner{grid-template-columns:1fr 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76%)}.homepage-carousel__content{justify-content:flex-end;padding-bottom:74px}.homepage-carousel__arrow{top:auto;bottom:18px;width:40px;height:40px;transform:none}.homepage-carousel__arrow--previous{left:18px}.homepage-carousel__arrow--next{right:18px}.homepage-carousel__dots{bottom:33px}.homepage-carousel--compact{border-radius:18px}.homepage-carousel--compact .homepage-carousel__viewport{min-height:390px}.homepage-carousel--vertical .homepage-carousel__arrow--previous{inset:18px 18px auto auto}.homepage-carousel--vertical .homepage-carousel__arrow--next{right:18px;bottom:18px;left:auto}.online-store{min-height:0;grid-template-columns:1fr;padding:34px 26px;text-align:left}.online-store__copy>.online-store__lead{width:auto;max-width:100%;white-space:normal}.online-store__mark{width:min(100%,220px);min-height:150px;margin:12px 0 0}.homepage-carousel__lightbox{padding:18px}.homepage-carousel__lightbox 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70px}h1{font-size:clamp(3rem,15vw,4.5rem)}.hero__lead{font-size:1rem}.hero__metrics{grid-template-columns:1fr;margin-top:42px}.hero__metrics div{grid-template-columns:90px 1fr;align-items:center}.hero__visual{min-height:430px;border-radius:36% 36% 20px 20px}.hero__badge{width:170px}.trust-strip__grid,.product-grid,.form-row,.site-footer__inner{grid-template-columns:1fr}.trust-strip article,.trust-strip article:last-child{min-height:auto;padding:40px 8px;border-right:0;border-bottom:1px solid rgba(255,255,255,.14);border-left:0}.products,.company-profile,.contact-section{padding-block:88px}.company-profile{gap:34px}.company-profile__services{margin-top:6px;padding-top:42px}.company-profile__facts{grid-template-columns:1fr;margin-top:32px}.company-profile__facts div{min-height:auto}.section-heading{gap:24px}.product-card:last-child{grid-column:auto}.care{padding-bottom:96px}.care__media{height:450px}.contact-form{padding:24px 18px}.site-footer nav{grid-template-columns:1fr 1fr}.auth-dialog{align-items:end;padding:14px}.auth-dialog__panel{padding:36px 22px 24px;border-radius:22px}.auth-form__code-row{grid-template-columns:1fr}.auth-form__code-row button{min-height:44px}}@media(max-width:420px){.brand-lockup--compact .brand-lockup__copy{display:none}.brand__one-plus-logo{width:135px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{scroll-behavior:auto!important;transition-duration:.01ms!important}}.floating-whatsapp{position:fixed;right:1.25rem;bottom:1.25rem;z-index:1000;display:grid;width:3.5rem;height:3.5rem;place-items:center;border-radius:50%;background:#20bd67;box-shadow:0 .5rem 1.5rem #00000038;transition:transform .2s ease,box-shadow .2s ease}.floating-facebook{position:fixed;right:1.25rem;bottom:1.25rem;z-index:1000;display:grid;width:3.5rem;height:3.5rem;place-items:center;border-radius:50%;color:#fff;background:#1877f2;box-shadow:0 .5rem 1.5rem #00000038;transition:transform .2s ease,box-shadow .2s ease}.floating-facebook:hover{transform:translateY(-3px) scale(1.04);box-shadow:0 .75rem 1.75rem #00000047}.floating-facebook svg{width:2rem;height:2rem;fill:currentColor}.floating-whatsapp{bottom:5.35rem}.floating-whatsapp:hover{transform:translateY(-3px) scale(1.04);box-shadow:0 .75rem 1.75rem #00000047}.floating-whatsapp svg{width:2rem;height:2rem;fill:#fff}.floating-scroll-top{position:fixed;right:1.25rem;bottom:9.45rem;z-index:1000;display:grid;width:3.5rem;height:3.5rem;padding:0;place-items:center;border:1px solid rgba(10,47,78,.22);border-radius:50%;color:#0a2f4e;background:#fffffff2;box-shadow:0 .5rem 1.5rem #0000002e;cursor:pointer;transition:transform .2s ease,background .2s ease}.floating-scroll-top:hover{transform:translateY(-3px);background:#fff}.floating-scroll-top svg{width:1.65rem;height:1.65rem;fill:currentColor}@media(max-width:720px){.floating-whatsapp{right:1rem;bottom:4.75rem;width:3.1rem;height:3.1rem}.floating-facebook{right:1rem;bottom:1rem;width:3.1rem;height:3.1rem}.floating-scroll-top{right:1rem;bottom:8.5rem;width:3.1rem;height:3.1rem}}