:root{--ink:#183039;--ink-soft:#53666c;--teal:#149da3;--teal-dark:#08777e;--cream:#f5f7f4;--coral:#ed8067;--line:rgba(24,48,57,.12);--shadow:0 24px 70px rgba(21,70,72,.13);--serif:"Songti SC","STSong","SimSun",serif;--sans:"PingFang SC","Microsoft YaHei",sans-serif;--max:1160px}
*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{margin:0;color:var(--ink);background:var(--cream);font-family:var(--sans);line-height:1.65;overflow-x:hidden}a{color:inherit;text-decoration:none}h1,h2,h3,p{margin-top:0}.container{width:min(calc(100% - 48px),var(--max));margin:auto}.site-header{height:78px;position:sticky;top:0;z-index:50;background:rgba(245,247,244,.9);backdrop-filter:blur(18px);border-bottom:1px solid rgba(24,48,57,.07)}.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between}.brand,.footer-brand{display:flex;align-items:center;gap:12px}.brand-mark{width:40px;height:40px;border-radius:12px;display:block;object-fit:cover;background:#fff;box-shadow:0 10px 25px rgba(20,157,163,.22)}.brand-copy,.footer-brand>span:last-child{display:flex;flex-direction:column;line-height:1.3}.brand-copy strong,.footer-brand strong{font-size:19px;letter-spacing:.18em}.brand-copy small,.footer-brand small{font-size:10px;color:#77888d;letter-spacing:.05em}.site-nav{display:flex;align-items:center;gap:34px;font-size:14px;color:#53666c}.site-nav a{transition:.2s}.site-nav a:hover{color:var(--teal)}.site-nav .nav-cta{padding:9px 17px;border:1px solid rgba(20,157,163,.34);border-radius:999px;color:var(--teal-dark)}.nav-toggle-input,.nav-toggle{display:none}
.hero{position:relative;min-height:700px;display:flex;align-items:center;overflow:hidden;background:radial-gradient(circle at 16% 10%,rgba(223,244,238,.9),transparent 32%),linear-gradient(135deg,#f7f9f5 0%,#f1f7f3 58%,#e7f3ef 100%)}.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;align-items:center;gap:44px;padding-top:70px;padding-bottom:78px}.eyebrow{color:var(--teal-dark);font-size:12px;font-weight:700;letter-spacing:.2em;margin-bottom:22px}.eyebrow>span{display:inline-block;width:22px;height:2px;vertical-align:middle;margin-right:10px;background:var(--coral)}h1{font-size:clamp(48px,5.6vw,76px);font-family:var(--serif);font-weight:700;line-height:1.17;letter-spacing:-.045em;margin-bottom:28px}h1 em,h2 em{font-style:normal;color:var(--teal-dark)}.hero-lead{font-size:18px;color:var(--ink-soft);max-width:560px;line-height:1.9}.hero-actions{display:flex;gap:14px;margin-top:34px}.button{height:52px;padding:0 25px;border-radius:18px;display:inline-flex;align-items:center;justify-content:center;gap:18px;font-weight:700;font-size:15px;transition:.25s}.button-primary{color:#fff;background:var(--ink);box-shadow:0 14px 35px rgba(24,48,57,.18)}.button-primary:hover{transform:translateY(-2px);background:var(--teal-dark)}.button-quiet{border:1px solid var(--line);background:rgba(255,255,255,.58)}.hero-note{font-size:12px;color:#879397;margin:20px 0 0}.hero-visual{position:relative;height:520px}.visual-glow{position:absolute;width:420px;height:420px;left:50%;top:50%;transform:translate(-45%,-48%);border-radius:50%;background:rgba(85,199,187,.22);filter:blur(24px)}.phone-frame{position:absolute;margin:0;overflow:hidden;background:#fff;border:6px solid #fff;box-shadow:var(--shadow)}.phone-frame img{display:block;width:100%;height:100%;object-fit:cover}.phone-frame-main{width:268px;height:476px;left:50%;top:18px;transform:translateX(-36%);z-index:3;border-radius:36px}.phone-frame-back{width:228px;height:404px;left:2%;top:78px;transform:rotate(-8deg);z-index:1;border-radius:32px}.phone-frame-side{width:210px;height:372px;right:0;top:108px;transform:rotate(7deg);z-index:2;border-radius:30px}.promo-gallery{position:relative;z-index:3;padding:8px 0 28px;margin-top:-28px}.promo-gallery-track{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:14px}.promo-gallery-track figure{margin:0;overflow:hidden;border-radius:22px;background:#fff;border:4px solid #fff;box-shadow:0 14px 32px rgba(21,70,72,.12)}.promo-gallery-track img{display:block;width:100%;height:auto;aspect-ratio:9/16;object-fit:cover}.visual-tag{position:absolute;z-index:4;padding:11px 16px;border-radius:999px;background:rgba(255,255,255,.88);box-shadow:0 12px 30px rgba(24,72,75,.12);font-size:12px;font-weight:700}.visual-tag-top{right:1%;top:80px}.visual-tag-bottom{left:3%;bottom:12px}.hero-orbit{position:absolute;border:1px solid rgba(20,157,163,.13);border-radius:50%}.hero-orbit-one{width:420px;height:420px;right:-200px;top:-170px}.hero-orbit-two{width:240px;height:240px;left:-130px;bottom:-120px}
.section{padding:112px 0}.section-heading h2{font-family:var(--serif);font-size:clamp(36px,4vw,54px);line-height:1.25;margin-bottom:22px;letter-spacing:-.035em}.section-heading>p:last-child,.split-heading>p{color:var(--ink-soft);line-height:1.9}.split-heading{display:grid;grid-template-columns:1fr .78fr;gap:80px;align-items:end;margin-bottom:54px}.experience-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.experience-card{position:relative;min-height:490px;padding:52px;border-radius:38px;overflow:hidden}.experience-card:after{content:"";position:absolute;width:240px;height:240px;border-radius:50%;right:-90px;bottom:-110px;background:rgba(255,255,255,.22)}.user-card{background:#dff4ee}.provider-card{color:#fff;background:#17363c}.provider-card p,.provider-card li{color:rgba(255,255,255,.72)}.card-number{position:absolute;right:37px;top:25px;font-family:var(--serif);font-size:74px;color:rgba(20,157,163,.14)}.provider-card .card-number{color:rgba(255,255,255,.09)}.card-kicker{font-size:11px!important;letter-spacing:.2em;color:var(--teal-dark)!important;font-weight:800}.provider-card .card-kicker{color:#8edbd0!important}.experience-card h3{font-family:var(--serif);font-size:34px;line-height:1.4;margin:30px 0 18px}.experience-card>p{max-width:460px;color:var(--ink-soft)}.experience-card ul{list-style:none;margin:30px 0;padding:0;display:grid;gap:12px}.experience-card li{color:var(--ink-soft);font-size:14px}.experience-card li:before{content:"✓";margin-right:10px;color:var(--teal)}.text-link{position:absolute;left:52px;bottom:43px;font-size:14px;font-weight:700}.text-link span{margin-left:8px;color:var(--coral)}
.downloads-section{background:#e8f2ee}.downloads-heading{max-width:700px;margin-bottom:48px}.download-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.download-card{position:relative;min-height:365px;padding:38px;border-radius:30px;background:#fff;box-shadow:0 18px 50px rgba(22,73,71,.09);display:flex;flex-direction:column;align-items:flex-start}.download-card-provider{background:#17363c;color:#fff}.download-card-top{width:100%;display:flex;justify-content:space-between;align-items:center}.download-index{font-family:var(--serif);font-size:42px;color:var(--teal)}.download-card-provider .download-index{color:#8edbd0}.download-status{font-size:12px;color:var(--ink-soft)}.download-card-provider .download-status{color:rgba(255,255,255,.62)}.download-card h3{font-family:var(--serif);font-size:34px;margin:26px 0 10px}.download-card>p{color:var(--ink-soft);max-width:400px;margin-bottom:24px}.download-card-provider>p{color:rgba(255,255,255,.72)}.download-card .button{margin-top:auto}.download-card small{display:block;margin-top:16px;font-size:12px;line-height:1.7;color:#829296}.download-card-provider small{color:rgba(255,255,255,.54)}.button-provider{border:1px solid rgba(142,219,208,.55);color:#b9f0e4;background:rgba(142,219,208,.08)}.legal-links{display:flex;gap:14px;margin-top:25px}.legal-links a{padding:8px 15px;border:1px solid var(--line);border-radius:999px;font-size:13px;color:var(--teal-dark)}
.principles{background:#fff}.principles-grid{display:grid;grid-template-columns:.84fr 1.16fr;gap:100px}.principles .section-heading{position:sticky;top:130px;align-self:start}.principle-list{border-top:1px solid var(--line)}.principle{display:grid;grid-template-columns:58px 1fr;gap:22px;padding:31px 0;border-bottom:1px solid var(--line)}.principle>span{font-family:var(--serif);color:var(--coral);font-size:17px}.principle h3{margin:0 0 7px;font-size:21px}.principle p{margin:0;color:var(--ink-soft);font-size:14px}.about-section{background:#15343a;color:#fff}.about-grid{display:grid;grid-template-columns:1fr .9fr;gap:100px;align-items:center}.about-section h2{font-family:var(--serif);font-size:42px;line-height:1.4}.about-lead{color:rgba(255,255,255,.66);font-size:16px;max-width:560px}.about-facts{display:grid}.about-facts>div{padding:22px 0;border-bottom:1px solid rgba(255,255,255,.13);display:flex;justify-content:space-between;gap:30px}.about-facts span{color:rgba(255,255,255,.52);font-size:13px}.about-facts strong{font-size:15px;text-align:right}.contact-section{background:#edf4f0}.contact-panel{padding:62px;border-radius:42px;background:#fff;display:grid;grid-template-columns:1fr .8fr;gap:80px;box-shadow:0 28px 80px rgba(22,73,71,.08)}.contact-panel h2{font-family:var(--serif);font-size:40px;margin-bottom:16px}.contact-panel>div>p:last-child{color:var(--ink-soft)}.contact-list>div{display:flex;justify-content:space-between;gap:24px;padding:14px 0;border-bottom:1px solid var(--line);font-size:13px}.contact-list span{color:#869398}.contact-list strong{text-align:right}.pending{color:#93a0a3;font-weight:500}.site-footer{padding:42px 0;background:#0d292f;color:#fff}.footer-inner{display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center}.footer-brand .brand-mark{width:38px;height:38px}.footer-brand small{color:rgba(255,255,255,.45)}.footer-links{display:flex;gap:25px;font-size:12px;color:rgba(255,255,255,.62)}.footer-meta{grid-column:1/-1;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;color:rgba(255,255,255,.42);font-size:11px}.footer-meta p{margin:0}
@media(max-width:860px){.container{width:min(calc(100% - 32px),var(--max))}.site-header{height:68px}.brand-copy small{display:none}.nav-toggle{display:block;padding:7px 13px;border:1px solid var(--line);border-radius:999px;font-size:12px}.site-nav{display:none;position:absolute;left:16px;right:16px;top:62px;padding:18px;border-radius:20px;background:#fff;box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:5px}.site-nav a{padding:10px 8px}.nav-toggle-input:checked~.site-nav{display:flex}.hero{min-height:auto}.hero-grid{grid-template-columns:1fr;padding-top:64px;padding-bottom:40px}.hero-visual{height:430px;transform:scale(.86);transform-origin:center top;margin-bottom:-45px}.split-heading,.principles-grid,.about-grid,.contact-panel{grid-template-columns:1fr;gap:42px}.experience-grid{grid-template-columns:1fr}.section{padding:78px 0}.principles .section-heading{position:static}.contact-panel{padding:34px;border-radius:30px}.footer-inner{grid-template-columns:1fr}.footer-links{flex-wrap:wrap}.footer-meta{grid-column:auto;flex-direction:column;gap:6px}}
@media(max-width:860px){.download-grid{grid-template-columns:1fr}.download-card{min-height:330px}.promo-gallery{margin-top:0;padding:0 0 12px}.promo-gallery-track{display:flex;gap:12px;overflow-x:auto;padding-bottom:8px;scroll-snap-type:x mandatory}.promo-gallery-track figure{flex:0 0 148px;scroll-snap-align:start}.phone-frame-side{display:none}}
@media(max-width:520px){h1{font-size:43px}.hero-lead{font-size:16px}.hero-actions{flex-direction:column}.button{width:100%}.hero-visual{height:392px;transform:scale(.72);transform-origin:left top;width:138%;margin-bottom:-100px}.phone-frame-back{left:0}.phone-frame-main{left:58%}.phone-frame-side{display:none}.visual-tag-top{right:0}.experience-card{padding:38px 30px;min-height:500px;border-radius:28px}.text-link{left:30px}.section-heading h2{font-size:36px}.about-section h2,.contact-panel h2{font-size:32px}.about-facts>div,.contact-list>div{align-items:flex-start}.footer-links{gap:14px}}
@media(prefers-reduced-motion:no-preference){.phone-frame-main{animation:float 6s ease-in-out infinite}.visual-tag{animation:floatTag 5s ease-in-out infinite}.visual-tag-bottom{animation-delay:-2.5s}@keyframes float{50%{transform:translateX(-36%) translateY(-9px)}}@keyframes floatTag{50%{transform:translateY(-6px)}}}
.wecom-qr{overflow:hidden;padding:0}.wecom-qr img{display:block;object-fit:cover;border-radius:0}
.error-page{min-height:58vh;display:flex;flex-direction:column;align-items:flex-start;justify-content:center;padding:80px 0}.error-code{font-family:var(--serif);font-size:clamp(90px,18vw,180px);line-height:1;color:var(--teal);margin:0 0 16px}.error-page h1{font-size:42px;margin-bottom:14px}.error-page>p:not(.eyebrow):not(.error-code){color:var(--ink-soft);margin-bottom:28px}
.wecom-dialog{width:min(440px,calc(100% - 32px));padding:0;border:0;border-radius:28px;color:var(--ink);background:#fff;box-shadow:0 30px 90px rgba(24,48,57,.24)}.wecom-dialog::backdrop{background:rgba(17,42,45,.45);backdrop-filter:blur(4px)}.wecom-dialog-inner{padding:36px}.wecom-dialog .eyebrow{margin-bottom:15px}.wecom-dialog h2{font-family:var(--serif);font-size:30px;line-height:1.35;margin-bottom:12px}.wecom-dialog-inner>p:not(.eyebrow):not(.dialog-note){color:var(--ink-soft);line-height:1.8}.dialog-close{position:absolute;top:14px;right:17px;border:0;background:transparent;color:#829296;font-size:28px;cursor:pointer}.wecom-qr{width:210px;height:210px;margin:24px auto 18px;border:1px dashed rgba(20,157,163,.5);border-radius:18px;background:#eff8f4;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;color:var(--teal-dark);text-align:center}.wecom-qr img{width:100%;height:100%;object-fit:contain;border-radius:16px}.wecom-qr strong{font-size:16px}.wecom-qr span{font-size:12px;color:#718589}.dialog-note{font-size:12px;color:#829296!important;line-height:1.7}.dialog-note code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;color:var(--teal-dark)}.legal-content{max-width:840px;padding:92px 0 110px}.legal-content h1{font-size:clamp(44px,6vw,68px);margin-bottom:12px}.legal-meta{font-size:13px;color:#829296;margin-bottom:34px}.legal-content h2{font-family:var(--serif);font-size:27px;margin:42px 0 10px}.legal-content p{color:var(--ink-soft);line-height:2}.legal-callout{padding:20px 22px;border-left:3px solid var(--teal);background:#e8f3ef;color:var(--ink-soft);line-height:1.9}.legal-footnote{padding-top:28px;border-top:1px solid var(--line);font-size:13px;color:#829296!important}.legal-nav{display:flex}
.icp-beian a{color:inherit;text-decoration:underline;text-underline-offset:3px}

.wecom-qr-wrap{position:relative;width:210px;margin:24px auto 8px}
.wecom-qr-wrap .wecom-qr{width:100%;height:210px;margin:0}
.wecom-qr-wrap .qr-nav{position:absolute;top:50%;z-index:2;width:36px;height:36px;margin:0;padding:0;border:0;border-radius:50%;color:#fff;background:rgba(24,48,57,.72);font-size:24px;line-height:1;cursor:pointer;transform:translateY(-50%)}
.wecom-qr-wrap .qr-nav-prev{left:8px}
.wecom-qr-wrap .qr-nav-next{right:8px}
.wecom-qr-wrap .qr-nav[hidden]{display:none}
.wecom-qr-caption{margin:0 0 16px;color:var(--teal-dark);font-size:14px;font-weight:700;text-align:center}