:root{--ink:#17231d;--muted:#67746d;--green:#0d8f5a;--green-dark:#086540;--mint:#e7f7ef;--line:#e5ebe7;--cream:#f7faf8;--white:#fff;--shadow:0 24px 70px rgba(13,71,46,.14)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;background:#fff;line-height:1.75}a{color:inherit}.container{width:min(1160px,calc(100% - 40px));margin:auto}.site-header{height:74px;border-bottom:1px solid rgba(18,49,35,.08);background:rgba(255,255,255,.9);backdrop-filter:blur(14px);position:sticky;top:0;z-index:20}.nav-wrap{height:100%;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:11px;text-decoration:none;font-size:18px;font-weight:800;letter-spacing:.02em}.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:11px;background:var(--green);color:white;font-family:Georgia,serif;font-style:italic}.main-nav{display:flex;gap:36px;align-items:center}.main-nav a{text-decoration:none;color:#526159;font-size:14px;font-weight:600;position:relative}.main-nav a:hover,.main-nav a.active{color:var(--green)}.main-nav a.active:after{content:"";position:absolute;left:15%;right:15%;bottom:-26px;height:2px;background:var(--green)}.menu-btn{display:none;border:1px solid var(--line);background:white;border-radius:9px;padding:7px 12px;color:var(--ink)}
.hero{min-height:650px;display:flex;align-items:center;overflow:hidden;background:radial-gradient(circle at 90% 20%,#d9f4e7 0,transparent 33%),linear-gradient(135deg,#fbfdfc,#f1f8f4)}.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;align-items:center;gap:70px;padding:70px 0}.eyebrow{display:inline-block;color:var(--green);font-size:12px;letter-spacing:.2em;font-weight:800;margin-bottom:16px}.hero h1{font-size:clamp(44px,5.2vw,72px);line-height:1.13;letter-spacing:-.055em;margin:0 0 25px}.hero h1 span{color:var(--green)}.hero-copy>p{font-size:17px;color:var(--muted);max-width:580px;margin:0}.hero-actions{display:flex;gap:14px;margin-top:34px}.button{display:inline-block;padding:12px 24px;border-radius:12px;text-decoration:none;font-weight:700;font-size:14px}.primary{background:var(--green);color:white;box-shadow:0 10px 24px rgba(13,143,90,.24)}.ghost{border:1px solid #cbd8d0;background:white}.trust-row{display:flex;gap:25px;margin-top:28px;color:#65766d;font-size:12px}.device-stage{height:510px;position:relative;display:grid;place-items:center}.phone{width:272px;height:510px;padding:28px 22px;background:#fff;border:8px solid #183328;border-radius:44px;box-shadow:var(--shadow);position:relative;z-index:2}.phone:before{content:"";position:absolute;width:78px;height:18px;background:#183328;border-radius:0 0 12px 12px;top:-2px;left:89px}.phone-bar{display:flex;justify-content:space-between;margin-top:12px}.phone-bar span{color:var(--green);font-size:24px}.temperature{height:220px;margin-top:22px;border-radius:26px;background:linear-gradient(145deg,#e7f8f0,#cceede);display:flex;flex-direction:column;align-items:center;justify-content:center}.temperature small{color:var(--muted)}.temperature b{font-size:66px;line-height:1.2}.temperature span{font-size:12px;color:var(--green-dark)}.power{display:block;width:60px;height:60px;border-radius:50%;margin:20px auto;border:0;background:var(--green);color:#fff;font-size:25px;box-shadow:0 8px 22px rgba(13,143,90,.25)}.controls{display:flex;justify-content:space-around;font-size:12px;color:var(--muted)}.float-card{position:absolute;z-index:3;padding:13px 17px;border-radius:14px;background:rgba(255,255,255,.94);box-shadow:0 14px 38px rgba(17,70,46,.15);display:flex;align-items:center;gap:8px;font-size:12px}.float-card span{color:var(--muted)}.fc-one{left:1%;top:19%;flex-direction:column;align-items:flex-start;gap:0}.fc-one b{font-size:20px;color:var(--green)}.fc-two{right:0;bottom:18%}.status-dot{width:8px;height:8px;border-radius:50%;background:#26c982}.orb{position:absolute;border-radius:50%}.orb-one{width:380px;height:380px;background:#d5f0e2}.orb-two{width:230px;height:230px;border:1px solid #b3dfc9}
.section{padding:100px 0}.section-heading{text-align:center;max-width:620px;margin:0 auto 52px}.section-heading h2,.promise h2{font-size:40px;line-height:1.25;letter-spacing:-.035em;margin:0 0 14px}.section-heading p{color:var(--muted);margin:0}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.feature-card{border:1px solid var(--line);border-radius:20px;padding:32px;background:white;transition:.25s}.feature-card:hover{transform:translateY(-5px);box-shadow:0 18px 45px rgba(20,65,44,.09)}.feature-card .icon{display:grid;place-items:center;width:48px;height:48px;border-radius:14px;background:var(--mint);color:var(--green);font-size:25px}.feature-card h3{margin:22px 0 8px}.feature-card p{margin:0;color:var(--muted);font-size:14px}.promise{background:var(--green-dark);color:#fff}.promise-inner{display:grid;grid-template-columns:1fr 1fr;gap:100px;align-items:end}.light{color:#aee4c8}.promise p{color:#d4eadd;margin:0;font-size:16px}.site-footer{padding:60px 0 20px;background:#10251b;color:white}.footer-grid{display:flex;justify-content:space-between;align-items:flex-start}.footer-brand{color:white}.footer-grid p{color:#8fa69a;font-size:13px}.footer-links{display:flex;gap:28px}.footer-links a{text-decoration:none;color:#c3d0c9;font-size:13px}.copyright{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;margin-top:35px;color:#789086;font-size:12px}.site-footer.compact{padding:10px 0 22px}.site-footer.compact .copyright{margin-top:0}
.article-page{display:grid;grid-template-columns:220px minmax(0,760px);gap:70px;justify-content:center;padding:65px 40px 110px}.article-page.single{display:block}.container-narrow{width:min(760px,100%);margin:auto}.article-side{position:sticky;top:120px;height:max-content;border-left:1px solid var(--line);display:flex;flex-direction:column;padding-left:22px;gap:12px}.article-side span{font-weight:800;font-size:13px;margin-bottom:6px}.article-side a{text-decoration:none;color:var(--muted);font-size:13px}.article-side a:hover{color:var(--green)}.article-head{padding-bottom:30px;border-bottom:1px solid var(--line);margin-bottom:30px}.article-head h1{font-size:42px;letter-spacing:-.04em;line-height:1.25;margin:0 0 14px}.article-head p{color:var(--muted);font-size:13px;margin:0}.notice{padding:17px 20px;border-radius:12px;background:#fff8e8;border:1px solid #f1dfb6;color:#765d24;font-size:13px;margin-bottom:38px}.article section{scroll-margin-top:100px;margin:0 0 38px}.article h2{font-size:22px;margin:0 0 13px}.article h3{font-size:16px;margin:22px 0 6px}.article p,.article li{font-size:15px;color:#536159}.article a{color:var(--green)}.article ul{padding-left:22px}.to-top{position:fixed;right:25px;bottom:25px;border:0;border-radius:50%;width:42px;height:42px;background:var(--green);color:white;box-shadow:0 8px 22px rgba(13,143,90,.25);opacity:0;pointer-events:none;transition:.2s}.to-top.show{opacity:1;pointer-events:auto}
.policy-page{background:#f7faf8}.policy-article{width:min(900px,100%);padding:42px 54px 64px;border:1px solid var(--line);border-radius:20px;background:#fff;box-shadow:0 18px 55px rgba(20,65,44,.07)}.policy-text{margin:0;white-space:pre-wrap;overflow-wrap:anywhere;font:400 15px/2 "Microsoft YaHei","PingFang SC",system-ui,sans-serif;color:#43534b}.policy-highlight{color:#e1251b;font-weight:700}
.policy-hero{padding:64px 0 46px;background:linear-gradient(135deg,#f2faf6,#e5f5ed);border-bottom:1px solid #dceae2}.policy-hero h1{margin:0 0 18px;font-size:44px;line-height:1.2;letter-spacing:-.04em}.policy-meta{display:flex;gap:12px;flex-wrap:wrap}.policy-meta span{padding:7px 12px;border:1px solid #cfe4d8;border-radius:999px;background:rgba(255,255,255,.72);color:#54685d;font-size:12px}.policy-layout{display:grid;grid-template-columns:250px minmax(0,790px);gap:54px;align-items:start;padding-top:54px;padding-bottom:100px}.policy-toc{position:sticky;top:106px;max-height:calc(100vh - 135px);overflow:auto;padding:24px 22px;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:0 10px 34px rgba(20,65,44,.06)}.policy-toc span{display:block;margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--line);font-size:13px;font-weight:800}.policy-toc a{display:block;padding:7px 0;color:#6b7971;text-decoration:none;font-size:12px;line-height:1.5}.policy-toc a:hover{color:var(--green)}.policy-document{min-width:0}.policy-document>p{margin:0 0 16px}.policy-notice{margin:28px 0 40px;padding:24px 26px;border:1px solid #f3c8c4;border-left:4px solid #e1251b;border-radius:14px;background:#fff7f6;color:#b12820}.policy-notice strong{display:block;margin-bottom:10px;font-size:17px}.policy-notice p{margin:8px 0;color:#b12820;font-weight:600}.policy-section{margin:0 0 50px!important;scroll-margin-top:100px;padding:32px 36px;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:0 12px 36px rgba(20,65,44,.055)}.policy-section h2{margin:-32px -36px 26px!important;padding:25px 36px 20px;border-bottom:1px solid var(--line);font-size:23px;line-height:1.45;color:#173d2a;background:linear-gradient(90deg,#f6fbf8,transparent);border-radius:18px 18px 0 0}.policy-section h3{margin:30px 0 12px;padding-left:13px;border-left:3px solid var(--green);font-size:16px;color:#243c30}.policy-section p{margin:0 0 15px;color:#526159;font-size:14.5px;line-height:2}.policy-section .sub-item{padding-left:16px;border-left:2px solid #dbe8e0}.policy-section .bullet-item{position:relative;padding-left:22px}.policy-section .bullet-item:before{content:"";position:absolute;left:4px;top:14px;width:6px;height:6px;border-radius:50%;background:var(--green)}.permission-code{padding:10px 14px!important;border-radius:8px;background:#f0f5f2;color:#24533a!important;font-family:Consolas,"SFMono-Regular",monospace;font-size:12.5px!important;line-height:1.6!important;overflow-wrap:anywhere}.policy-document a{color:var(--green);text-decoration:none;border-bottom:1px dotted #7dc5a2}.policy-document a:hover{color:var(--green-dark)}
.agreement-hero{background:linear-gradient(135deg,#f4f8ff,#e8f1ff)}.agreement-lead{max-width:680px;margin:0;color:#607083;font-size:15px}.agreement-document .agreement-intro{border-color:#dce6f4;background:linear-gradient(145deg,#fff,#f8fbff)}.agreement-document .agreement-note{position:relative;margin:17px 0;padding:16px 18px 16px 46px;border-radius:12px;background:#f2f7f4;color:#3c5548;line-height:1.85}.agreement-document .agreement-note:before{content:"要点";position:absolute;left:13px;top:17px;padding:2px 5px;border-radius:5px;background:var(--green);color:#fff;font-size:9px;font-weight:800;line-height:1.5}.agreement-document h3{margin:30px 0 14px;padding:10px 14px;border-left:3px solid var(--green);border-radius:0 8px 8px 0;background:#f4f8f6;color:#244232}
.contact-body{background:var(--cream)}.contact-main{min-height:calc(100vh - 174px);display:flex;align-items:center}.contact-grid{display:grid;grid-template-columns:1fr 470px;gap:110px;align-items:center;padding:80px 0}.contact-copy h1{font-size:58px;line-height:1.18;letter-spacing:-.05em;margin:0 0 25px}.contact-copy p{max-width:500px;color:var(--muted)}.contact-card{display:grid;padding:38px;border-radius:24px;background:#fff;box-shadow:var(--shadow)}.contact-label{font-size:11px;color:var(--muted);letter-spacing:.12em;margin-top:17px}.contact-label:first-child{margin-top:0}.contact-card>a{font-size:24px;color:var(--green);font-weight:800;text-decoration:none}.contact-card strong{font-size:15px}.contact-tip{background:var(--mint);color:var(--green-dark);padding:14px;border-radius:12px;font-size:12px;margin-top:28px}
@media(max-width:800px){.site-header{height:66px}.main-nav{display:none;position:absolute;top:66px;left:0;right:0;background:white;padding:14px 20px 22px;border-bottom:1px solid var(--line);box-shadow:0 15px 25px rgba(0,0,0,.05);flex-direction:column;gap:14px;align-items:flex-start}.main-nav.open{display:flex}.main-nav a.active:after{display:none}.menu-btn{display:block}.hero-grid{grid-template-columns:1fr;padding:60px 0}.hero-copy{text-align:center}.hero-copy>p{margin:auto}.hero-actions,.trust-row{justify-content:center}.device-stage{height:480px}.feature-grid,.promise-inner,.contact-grid{grid-template-columns:1fr}.feature-grid{gap:14px}.promise-inner{gap:20px}.article-page{display:block;padding:45px 20px 80px}.article-side{display:none}.policy-article{padding:30px 24px 48px}.policy-text{font-size:14px;line-height:1.9}.policy-hero{padding:45px 0 36px}.policy-hero h1{font-size:34px}.policy-layout{display:block;padding-top:30px;padding-bottom:70px}.policy-toc{display:none}.policy-section{padding:25px 22px;margin-bottom:24px!important}.policy-section h2{margin:-25px -22px 22px!important;padding:20px 22px 17px;font-size:20px}.policy-section p{font-size:14px;line-height:1.9}.contact-grid{gap:40px;padding:60px 0}.contact-copy h1{font-size:45px}.footer-grid{gap:28px;flex-direction:column}.footer-links{flex-wrap:wrap}}
@media(max-width:480px){.container{width:min(100% - 28px,1160px)}.hero{min-height:auto}.hero h1{font-size:39px}.hero-actions{flex-direction:column}.trust-row{flex-direction:column;gap:4px}.phone{transform:scale(.88)}.device-stage{height:450px}.float-card{display:none}.section{padding:72px 0}.section-heading h2,.promise h2{font-size:32px}.article-head h1{font-size:33px}.contact-copy h1{font-size:39px}.contact-card{padding:26px}.contact-card>a{font-size:19px}}
.nav-dropdown{position:relative;display:flex;align-items:center;height:74px}.nav-dropdown-toggle{display:flex;align-items:center;gap:5px;padding:0;border:0;background:transparent;color:#526159;font:600 14px/1 "Microsoft YaHei","PingFang SC",system-ui,sans-serif;cursor:pointer}.nav-dropdown-toggle span{font-size:12px;transition:transform .2s}.nav-dropdown:hover .nav-dropdown-toggle,.nav-dropdown:focus-within .nav-dropdown-toggle,.nav-dropdown.active .nav-dropdown-toggle{color:var(--green)}.nav-dropdown.active:after{content:"";position:absolute;left:15%;right:15%;bottom:0;height:2px;background:var(--green)}.nav-submenu{position:absolute;top:64px;left:50%;z-index:30;width:170px;padding:8px;visibility:hidden;opacity:0;transform:translate(-50%,-6px);transition:.18s;border:1px solid var(--line);border-radius:12px;background:#fff;box-shadow:0 14px 35px rgba(20,65,44,.13)}.nav-dropdown:hover .nav-submenu,.nav-dropdown:focus-within .nav-submenu,.nav-dropdown.open .nav-submenu{visibility:visible;opacity:1;transform:translate(-50%,0)}.main-nav .nav-submenu a{display:block;margin:0;padding:9px 11px;border-radius:8px;color:#526159;font-size:13px;white-space:nowrap}.main-nav .nav-submenu a:hover,.main-nav .nav-submenu a.active{background:var(--mint);color:var(--green)}.main-nav .nav-submenu a.active:after{display:none}.move-policy-hero{background:linear-gradient(135deg,#f4fbff,#e6f4fa)}
.policy-opening{margin:0 0 24px;padding:23px 26px;border:1px solid var(--line);border-radius:14px;background:#fff}.policy-opening p{margin:0;color:#4d6056;font-size:15px;line-height:2}
.contact-card>a,.contact-card>strong{overflow-wrap:anywhere}
.copyright .icp-link{color:#9cb1a7;text-decoration:none;transition:color .2s}.copyright .icp-link:hover{color:#d7e5de;text-decoration:underline}
@media(max-width:800px){.nav-dropdown{display:block;width:100%;height:auto}.nav-dropdown.active:after{display:none}.nav-dropdown-toggle{width:100%;justify-content:space-between}.nav-dropdown.open .nav-dropdown-toggle span{transform:rotate(180deg)}.nav-submenu{position:static;width:100%;max-height:0;margin:0;padding:0 0 0 12px;visibility:hidden;opacity:0;overflow:hidden;transform:none;border:0;box-shadow:none;transition:.2s}.nav-dropdown:hover .nav-submenu,.nav-dropdown:focus-within .nav-submenu{visibility:hidden;opacity:0;transform:none}.nav-dropdown.open .nav-submenu{max-height:120px;margin-top:8px;padding:5px 0 5px 12px;visibility:visible;opacity:1}.main-nav .nav-submenu a{padding:8px 10px}}