.ph-hero{--blue:#0054ff;--ink:#071b40;position:relative;isolation:isolate;overflow:hidden;background:#d8ebfc;color:var(--ink);font-family:Arial,'Microsoft YaHei','PingFang SC',sans-serif;text-align:left}.ph-hero *{box-sizing:border-box}.ph-visual{position:absolute;inset:0;z-index:-1;pointer-events:none;overflow:hidden}.ph-visual>img{width:100%;height:100%;object-fit:fill;max-width:none;display:block}.ph-hero .ph-inner{position:relative;width:80%;max-width:1440px;min-height:608px;height:clamp(540px,40vw,648px);margin:auto;display:grid;grid-template-columns:49% 51%;align-items:center;padding:35px 0 80px}.ph-copy{position:relative;z-index:4;min-width:0}.ph-hero .ph-eyebrow{display:flex;gap:18px;align-items:center;font-size:16px;letter-spacing:.32em;margin:0 0 24px;color:#425978;font-weight:600}.ph-eyebrow:before,.ph-eyebrow:after{content:'';height:1px;width:18px;background:#70859e}.ph-hero h1{font-size:clamp(46px,4.25vw,72px);font-weight:800;letter-spacing:-.035em;line-height:1.2;color:var(--ink);margin:0 0 22px}.ph-hero h1 em{display:block;font-style:normal;color:var(--blue);margin-top:6px}.ph-hero .ph-description{font-size:clamp(18px,1.5vw,23px);font-weight:500;line-height:1.6;color:#435976;margin:0 0 20px}.ph-search{position:relative;display:flex;align-items:center;width:100%;max-width:650px;min-height:56px;margin:0;padding:5px;background:#fffffffa;border:1px solid #e4f0ff;border-radius:15px;box-shadow:0 9px 25px #284f791a}.ph-dropdown{position:relative;flex:0 0 165px;min-width:0;border-right:1px solid #d3dce8}.ph-hero .ph-select-button{display:flex;align-items:center;gap:10px;width:100%;border:0;background:transparent;color:var(--ink);font:600 15px inherit;font-family:inherit;font-size:15px;padding:10px 12px;cursor:pointer;border-radius:9px;white-space:nowrap}.ph-choice-icon{font-size:24px;color:var(--blue);line-height:1}.ph-selected-label{flex:1;overflow:hidden;text-overflow:ellipsis;text-align:left}.ph-select-button>svg{color:var(--blue);flex-shrink:0;transition:transform .2s}.ph-select-button[aria-expanded=true]>svg{transform:rotate(180deg)}.ph-options{position:absolute;left:-5px;top:calc(100% + 12px);width:210px;padding:5px;border:1px solid #c1dfff;border-radius:12px;background:#fff;box-shadow:0 12px 25px #255c9a28;z-index:20}.ph-options[hidden]{display:none!important}.ph-hero .ph-option{width:100%;display:flex;align-items:center;gap:12px;min-height:42px;padding:8px 12px;border:0;border-radius:8px;background:white;color:var(--ink);font:600 15px Arial,'Microsoft YaHei',sans-serif;text-align:left;cursor:pointer}.ph-option svg{width:23px;height:23px;fill:none;stroke:currentColor;stroke-width:4;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}.ph-option span{flex:1}.ph-option b{visibility:hidden;color:var(--blue);font-size:21px}.ph-hero .ph-option[aria-selected=true]{color:var(--blue);background:#e3f0ff}.ph-option[aria-selected=true] b{visibility:visible}.ph-hero .ph-option:hover,.ph-hero .ph-option:focus-visible{background:#edf5ff;outline:2px solid #bddaff;outline-offset:-2px}.ph-search .ph-input{display:flex;align-items:center;min-width:0;flex:1;padding:0 17px}.ph-input>span{display:none}.ph-hero .ph-input input{width:100%;min-width:0;padding:10px 0;border:0;background:transparent;font:15px Arial,'Microsoft YaHei',sans-serif;color:#122746}.ph-input input::placeholder{color:#8f9eb1}.ph-hero .ph-search>button{flex:0 0 auto;padding:13px 24px;border:0;border-radius:10px;background:#0051ff;color:white;font:600 16px Arial,'Microsoft YaHei',sans-serif;cursor:pointer;white-space:nowrap}.ph-hero .ph-search>button:hover{background:#003ec8}.ph-benefits{display:flex;justify-content:flex-end;gap:28px;list-style:none;padding:0;margin:35px 35px 0 0}.ph-benefits li{display:flex;flex-direction:column;align-items:center;gap:6px;font-size:14px;white-space:nowrap}.ph-benefit-icon{display:block;font-size:27px;color:#173867;line-height:1}.ph-scene{height:100%;position:relative;min-width:0}.ph-stage{height:100%;position:relative}.ph-cards{position:absolute;left:86%;top:10%;width:190px;display:grid;gap:24px;transform:translateX(-20%)}.ph-card{display:flex;align-items:center;gap:12px;padding:22px 16px;min-height:91px;border:1px solid #ffffffea;border-radius:12px;background:linear-gradient(125deg,#ffffff50,#eaf6ff28);box-shadow:inset 2px 2px 3px #fff,inset -2px -2px 3px #a9dcff,0 10px 25px #3a74b51c;backdrop-filter:blur(5px);color:var(--ink);text-decoration:none;transform:skewY(-6deg);animation:ph-float 7s ease-in-out infinite;animation-delay:calc(var(--i)*-1.2s)}.ph-card:hover{background:#ffffff9c;box-shadow:inset 0 0 0 1px #fff,0 10px 30px #4c7fb633}.ph-card strong{display:block;font-size:19px;line-height:1.3}.ph-card strong:after{content:'';display:block;width:25px;height:1px;background:#417bc5;margin-top:10px}.ph-card small,.ph-card b{display:none}.ph-icon{width:32px;height:36px;flex:0 0 32px;color:#176bbd}.ph-icon svg,.ph-icon img{width:100%;height:100%;object-fit:contain;fill:none;stroke:currentColor;stroke-width:3;stroke-linecap:round;stroke-linejoin:round}.ph-caption{position:absolute;bottom:15px;left:4%;font-size:10px;letter-spacing:.1em;color:#4b6f94}.ph-hero .ph-motion{position:absolute;bottom:12px;right:4%;font:11px Arial,sans-serif;padding:6px 12px;border:1px solid #b4cee8;border-radius:20px;background:#ffffffad;color:#315c85;cursor:pointer}.ph-fiber{position:absolute;inset:0;width:100%;height:100%;overflow:visible;pointer-events:none}.ph-fiber path{fill:none;stroke-linecap:round}.ph-fiber-track{stroke:#cbf4ff;stroke-width:.6;opacity:.45}.ph-fiber-pulse{stroke:#fff;stroke-width:1.5;stroke-dasharray:3 97;filter:drop-shadow(0 0 3px #00d9ff);animation:ph-transmit 3.6s linear infinite;animation-delay:calc(var(--f)*-.61s)}@keyframes ph-transmit{from{stroke-dashoffset:100}to{stroke-dashoffset:0}}@keyframes ph-float{0%,100%{transform:translateY(0) skewY(-6deg)}50%{transform:translateY(-7px) skewY(-6deg)}}.ph-paused *{animation-play-state:paused!important}.ph-hero a:focus-visible,.ph-hero button:focus-visible,.ph-hero input:focus-visible{outline:3px solid #0054ff;outline-offset:3px}.ph-hero[lang=en] h1{font-size:clamp(40px,3.6vw,60px);letter-spacing:-.045em}.ph-hero[lang=en] .ph-eyebrow{letter-spacing:.12em;font-size:13px}.ph-hero[lang=en] .ph-description{font-size:18px}.ph-hero[lang=en] .ph-card strong{font-size:16px}.ph-hero[lang=en] .ph-benefits{gap:18px;margin-right:0}.ph-hero[lang=en] .ph-benefits li{font-size:12px}
@media(min-width:1800px){.ph-cards{left:88%;width:195px}}@media(max-width:1200px){.ph-hero .ph-inner{width:86%;min-height:540px;padding-bottom:55px}.ph-hero h1{font-size:47px}.ph-cards{width:155px;left:84%;gap:20px;top:16%}.ph-card{min-height:77px;padding:17px 12px;gap:8px}.ph-card strong{font-size:16px}.ph-icon{width:26px;flex-basis:26px}.ph-dropdown{flex-basis:132px}.ph-hero .ph-select-button{font-size:13px;padding:10px 7px;gap:6px}.ph-search .ph-input{padding:0 8px}.ph-hero .ph-input input{font-size:13px}.ph-hero .ph-search>button{font-size:14px;padding:13px}.ph-benefits{gap:24px;margin-right:0}.ph-hero[lang=en] h1{font-size:43px}}
@media(max-width:800px){.ph-hero{background:#e2f2ff}.ph-hero .ph-inner{display:block;width:88%;height:auto;min-height:0;padding:38px 0 36px}.ph-visual{top:auto;height:360px;width:900px;left:50%;right:auto;bottom:0;transform:translateX(-70%)}.ph-copy{min-height:340px;padding-bottom:20px}.ph-hero h1,.ph-hero[lang=en] h1{font-size:clamp(35px,6.2vw,48px)}.ph-hero .ph-eyebrow{font-size:13px;letter-spacing:.18em;margin-bottom:20px}.ph-hero .ph-description{font-size:17px;margin-bottom:20px}.ph-search{max-width:100%;flex-wrap:wrap;gap:4px}.ph-dropdown{flex-basis:140px}.ph-hero .ph-select-button{font-size:14px}.ph-search .ph-input{flex:1}.ph-hero .ph-search>button{width:100%;margin-top:4px}.ph-benefits{justify-content:flex-start;margin:20px 0 0;gap:24px}.ph-benefits li{flex-direction:row;font-size:12px}.ph-benefit-icon{font-size:22px}.ph-scene{height:315px;margin-top:10px}.ph-cards{top:38px;left:auto;right:-3%;width:130px;transform:none;gap:16px}.ph-card{padding:13px 10px;min-height:65px}.ph-card strong{font-size:13px}.ph-icon{width:24px;flex-basis:24px;height:28px}.ph-card strong:after{margin-top:7px}.ph-hero[lang=en] .ph-card strong{font-size:12px}.ph-options{width:210px}.ph-hero[lang=en] .ph-benefits{gap:12px}.ph-hero[lang=en] .ph-benefits li{font-size:11px}.ph-caption{font-size:9px}.ph-hero .ph-motion{font-size:10px}.ph-hero[lang=en] .ph-copy{min-height:370px}}
@media(prefers-reduced-motion:reduce){.ph-hero *{animation:none!important;transition:none!important}.ph-fiber-pulse{opacity:0}}

.ph-choice-icon{width:23px;height:23px;flex:0 0 23px}.ph-choice-icon svg,.ph-benefit-icon svg{width:100%;height:100%}.ph-benefit-icon{width:28px;height:28px}.ph-card{backdrop-filter:none}
@media(max-width:800px){.ph-benefits{flex-wrap:wrap}.ph-hero[lang=en] .ph-dropdown{flex-basis:155px}.ph-visual{mask-image:linear-gradient(to bottom,transparent,#000 25px);-webkit-mask-image:linear-gradient(to bottom,transparent,#000 25px)}.ph-hero[lang=en] .ph-benefits li{white-space:normal;max-width:100%}}

@media(min-width:801px){.ph-visual{transform:translate(var(--px,0px),var(--py,0px)) scale(1.006);transition:transform .4s ease-out}.ph-paused .ph-visual{transform:none}}

.ph-hero .ph-visual>img{object-fit:cover;object-position:center}