:root{--ink:#261e24;--muted:#776b74;--line:#eadde3;--paper:#fff8f5;--soft:#ffe9e5;--rose:#ff6f7d;--rose-dark:#d94e62;--mint:#d9f5ec;--yellow:#fff0a8;--shadow:0 24px 70px rgba(58,28,38,.16)}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:92px}body{margin:0;color:var(--ink);font:16px/1.7 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;background:#fff;letter-spacing:0}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}img{display:block;max-width:100%}h1,h2,h3,p,figure,dl,dd{margin:0}svg{width:20px;height:20px;stroke-width:1.8;flex:none}.skip-link{position:fixed;left:16px;top:-70px;z-index:80;background:#fff;padding:10px 14px;border:1px solid var(--line)}.skip-link:focus{top:12px}.topbar{position:sticky;top:0;z-index:40;height:76px;display:flex;align-items:center;gap:28px;padding:0 clamp(20px,4vw,54px);background:rgba(255,255,255,.9);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;min-width:0}.brand img{width:40px;height:40px;border-radius:8px;object-fit:cover}.brand strong{display:block;font-size:20px;line-height:1.15;max-width:13em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.brand small{display:block;font-size:11px;color:var(--muted);margin-top:2px}.topbar nav{display:flex;gap:28px;margin-left:auto;font-size:14px}.topbar nav a:hover,.footer a:hover{color:var(--rose-dark)}.nav-download{display:inline-flex;align-items:center;gap:9px;min-height:42px;padding:8px 16px;background:var(--ink);color:#fff;border-radius:6px;font-weight:650;font-size:14px}.icon-button{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;border:1px solid var(--line);background:#fff}.menu-toggle{display:none}.tree-nav{position:fixed;right:20px;top:145px;z-index:18;width:150px;padding:16px 14px;background:rgba(255,255,255,.88);border:1px solid var(--line);border-radius:8px;box-shadow:0 14px 42px rgba(76,35,50,.1);backdrop-filter:blur(14px)}.tree-nav p{font-size:12px;font-weight:750;color:var(--rose-dark);margin-bottom:9px}.tree-nav a{position:relative;display:flex;gap:8px;align-items:center;font-size:12px;color:var(--muted);padding:7px 0 7px 3px}.tree-nav a+ a:before{content:"";position:absolute;left:7px;top:-7px;width:1px;height:14px;background:var(--line)}.tree-nav span{width:15px;height:15px;border:1px solid var(--line);border-radius:4px;background:#fff}.tree-nav a:hover{color:var(--ink)}.hero{min-height:650px;display:grid;grid-template-columns:minmax(0,1.02fr) minmax(360px,.78fr);gap:42px;align-items:center;padding:68px clamp(24px,7vw,120px);background-color:var(--paper);background-repeat:no-repeat;background-position:right bottom;background-size:auto 78%;position:relative;overflow:hidden}.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#fff 0%,rgba(255,255,255,.96) 38%,rgba(255,248,245,.78) 62%,rgba(255,248,245,.32));pointer-events:none}.hero-panel{position:relative;z-index:1;max-width:700px}.eyebrow{display:flex;align-items:center;gap:9px;font-size:12px;font-weight:800;color:var(--rose-dark);text-transform:uppercase}.eyebrow span{width:7px;height:7px;border-radius:50%;background:var(--rose)}.muted{color:var(--muted);margin-bottom:14px}.hero h1{font-size:clamp(48px,7vw,82px);line-height:1.05;margin-top:18px;font-weight:850}.hero h1 span{display:block;max-width:9em;overflow-wrap:anywhere}.hero h1 em{display:block;margin-top:16px;font-style:normal;font-size:22px;line-height:1.45;font-weight:650;color:#59454f}.hero-copy{max-width:570px;margin-top:20px;color:#655661;font-size:17px}.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}.button{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:12px 22px;border-radius:7px;font-weight:750;text-align:center;transition:transform .18s,background .18s}.button:hover{transform:translateY(-2px)}.button.primary{background:var(--rose);color:#fff}.button.primary:hover{background:var(--rose-dark)}.button.ghost{background:#fff;border:1px solid var(--line)}.button.dark{background:var(--ink);color:#fff}.button.small{min-height:42px;padding:8px 16px;font-size:14px}.full{width:100%}.hero-facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:30px;max-width:620px}.hero-facts div{border:1px solid var(--line);background:rgba(255,255,255,.75);border-radius:8px;padding:13px 14px}.hero-facts dt{font-size:11px;color:var(--muted)}.hero-facts dd{font-size:14px;font-weight:700;overflow-wrap:anywhere}.phone-showcase{position:relative;z-index:1;justify-self:center;width:min(360px,100%);aspect-ratio:9/15;border:10px solid #20191f;border-radius:34px;overflow:hidden;box-shadow:var(--shadow);background:#111}.phone-showcase img{width:100%;height:100%;object-fit:cover}.trust-band{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}.trust-band>div{padding:30px clamp(22px,4vw,48px);border-right:1px solid var(--line)}.trust-band>div:last-child{border-right:0}.trust-band span{width:42px;height:42px;display:grid;place-items:center;background:var(--soft);border-radius:8px;margin-bottom:13px}.trust-band h2{font-size:22px}.trust-band p,.intro-grid p,.steps p,.source-note,.download-card p,.faq-list p{color:var(--muted);font-size:14px}.section{width:min(1120px,calc(100% - 64px));margin:auto;padding:88px 0}.section-title{display:flex;justify-content:space-between;align-items:flex-end;gap:42px;margin-bottom:36px}.section-title h2{font-size:40px;line-height:1.25;max-width:560px}.intro-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.intro-grid article{border:1px solid var(--line);border-radius:8px;padding:26px;background:#fff}.intro-grid i{width:44px;height:44px;display:grid;place-items:center;background:var(--mint);border-radius:8px;margin-bottom:18px}.intro-grid h3,.steps h3{font-size:20px}.preview-section{width:min(1180px,calc(100% - 64px))}.screens{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.screen-button{position:relative;width:100%;height:440px;background:linear-gradient(180deg,#fff3ef,#f6f9ff);border:1px solid var(--line);border-radius:8px;overflow:hidden;display:grid;place-items:center;padding:20px}.screen-button img{width:230px;height:auto;max-height:390px;object-fit:cover;border-radius:18px;box-shadow:0 20px 40px rgba(50,24,34,.16)}.screen-button span{position:absolute;right:14px;bottom:14px;width:36px;height:36px;border-radius:50%;background:#fff;display:grid;place-items:center;box-shadow:0 8px 18px rgba(0,0,0,.12)}figcaption{display:flex;justify-content:space-between;gap:16px;margin-top:14px;font-size:14px}figcaption span{color:var(--muted)}.source-note{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}.source-note a{display:inline-flex;align-items:center;gap:5px;text-decoration:underline;text-underline-offset:4px}.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.steps li{display:flex;gap:18px;padding:24px;border-radius:8px;background:var(--paper);border:1px solid var(--line)}.steps li>span{font-size:12px;font-weight:800;color:var(--rose-dark)}.steps svg{width:30px;height:30px;margin-bottom:14px}.custom-install{margin-top:24px;color:var(--muted);font-size:14px}.download-card{width:min(1120px,calc(100% - 64px));margin:0 auto 24px;padding:42px;display:flex;justify-content:space-between;align-items:center;gap:30px;background:linear-gradient(135deg,var(--rose),#ff9b74 55%,var(--yellow));border-radius:8px;color:#fff}.download-card p{color:#fff9}.download-card h2{font-size:36px;line-height:1.25;margin:10px 0}.faq-section{display:grid;grid-template-columns:.75fr 1.25fr;gap:58px}.faq-section .section-title{display:block;margin-bottom:0}.faq-list{border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line)}summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 0;font-weight:750}summary::-webkit-details-marker{display:none}summary svg{transition:transform .2s}details[open] summary svg{transform:rotate(45deg)}details p{padding:0 30px 22px 0}.footer{min-height:88px;padding:24px clamp(20px,4vw,54px);display:flex;align-items:center;gap:22px;border-top:1px solid var(--line);background:#fff8f5}.footer div{margin-right:auto}.footer strong{display:block;font-size:19px}.footer span{font-size:12px;color:var(--muted)}.footer button{font-size:13px;text-decoration:underline;text-underline-offset:4px}.back-top{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;border:1px solid var(--line);background:#fff}.mobile-cta{display:none}dialog{border:1px solid var(--line);border-radius:8px;width:min(460px,calc(100% - 32px));padding:28px;color:var(--ink);box-shadow:var(--shadow);max-height:calc(100svh - 42px);overflow:auto}dialog::backdrop{background:rgba(38,30,36,.48);backdrop-filter:blur(5px)}body:has(dialog[open]){overflow:hidden}.dialog-top{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:22px}.dialog-icon{width:50px;height:50px;display:grid;place-items:center;background:var(--soft);border-radius:8px}.download-facts{margin:22px 0}.download-facts div{display:flex;justify-content:space-between;gap:16px;padding:10px 0;border-bottom:1px solid var(--line);font-size:13px}.download-facts dt{color:var(--muted)}.alert{display:flex;align-items:flex-start;gap:9px;color:var(--muted);font-size:13px;margin-bottom:18px}.alert 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bottom}.hero:before{background:linear-gradient(180deg,#fff 0%,rgba(255,255,255,.94) 58%,rgba(255,248,245,.72))}.hero h1{font-size:44px}.hero h1 em{font-size:18px}.hero-copy{font-size:15px}.hero-actions{gap:10px}.button{min-height:48px;padding:11px 16px;font-size:14px}.hero-facts{grid-template-columns:1fr;gap:8px}.phone-showcase{display:none}.trust-band{grid-template-columns:1fr}.trust-band>div{border-right:0;border-bottom:1px solid var(--line);padding:24px 22px}.trust-band>div:last-child{border-bottom:0}.section,.preview-section{width:calc(100% - 40px);padding:62px 0}.section-title{display:block;margin-bottom:28px}.section-title h2{font-size:30px}.intro-grid,.steps{grid-template-columns:1fr}.screens{display:flex;gap:16px;overflow:auto;margin-right:-20px;padding-right:20px;scroll-snap-type:x mandatory}.screens figure{flex:0 0 260px;scroll-snap-align:start}.screen-button{height:390px;padding:16px}.screen-button img{width:205px}.download-card{width:calc(100% - 40px);display:block;padding:28px;margin-bottom:0}.download-card h2{font-size:28px}.download-card .button{margin-top:22px;width:100%}.faq-section{display:block}.faq-section .section-title{margin-bottom:26px}.footer{padding-bottom:84px}.mobile-cta{position:fixed;left:0;right:0;bottom:0;z-index:30;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 18px calc(12px + env(safe-area-inset-bottom));background:rgba(255,255,255,.95);border-top:1px solid var(--line);transform:translateY(110%);transition:transform .2s}.mobile-cta.visible{transform:translateY(0)}.mobile-cta strong{display:block;font-size:15px;line-height:1.3;max-width:13em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mobile-cta small{display:block;color:var(--muted);font-size:11px}.footer{flex-wrap:wrap}.footer div{width:100%;margin-right:0}dialog{padding:23px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important}}
:root{}

/* Interface previews echo the reference site's calm blue-gray panels and fresh green status color. */
.preview-section{position:relative}
.screen-button{background:#edf4f8;border-color:#dbe6eb;box-shadow:inset 0 1px 0 rgba(255,255,255,.9)}
.screen-button img{border-radius:8px;box-shadow:0 18px 36px rgba(45,66,76,.18)}
.screen-button span{color:#4f8d21;border:1px solid #dbe6eb}
.screens figure{padding:12px 12px 14px;background:#fff;border:1px solid #e2eaee;border-radius:8px}
.screens figcaption{align-items:flex-start;padding:0 2px}
.screens figcaption strong{position:relative;padding-left:12px}
.screens figcaption strong:before{content:"";position:absolute;left:0;top:.47em;width:5px;height:5px;border-radius:50%;background:#a8dc56}
.reviews-section{width:min(1180px,calc(100% - 64px))}
.review-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.review-grid article{display:flex;min-height:260px;flex-direction:column;padding:24px;border:1px solid #dfe8ec;border-radius:8px;background:#fff;box-shadow:0 16px 36px rgba(45,66,76,.08)}
.review-grid header{display:flex;align-items:center;gap:13px}
.review-grid header div{display:grid;gap:1px}
.review-grid header strong{font-size:17px}
.review-grid header small{color:var(--muted);font-size:12px}
.review-avatar{width:42px;height:42px;display:grid;place-items:center;flex:none;border-radius:50%;font-weight:800}
.mint-avatar{background:#e7f5cf;color:#4d7d20}
.blue-avatar{background:#e5f0f5;color:#3f6f84}
.coral-avatar{background:#ffe8e4;color:#c94f60}
.review-grid blockquote{margin:26px 0;color:#51464d;font-size:15px;line-height:1.9}
.review-grid footer{display:flex;align-items:center;gap:8px;margin-top:auto;padding-top:16px;border-top:1px solid #e8edef;color:var(--muted);font-size:12px}
.review-grid footer svg{width:17px;height:17px;color:#6ba52f}
.review-note{display:flex;align-items:flex-start;gap:8px;margin-top:22px;color:var(--muted);font-size:12px}
.review-note svg{width:16px;height:16px;margin-top:2px}
@media(max-width:860px){.topbar{gap:12px;padding-right:70px}.brand{gap:10px;min-width:0;flex:1}.brand img{width:38px;height:38px;flex:none;background:#fff;border:1px solid var(--line)}.brand strong{max-width:7.5em}.topbar>.nav-download{display:none}.topbar>.menu-toggle{display:grid!important;position:absolute;right:18px;top:14px;width:40px;height:40px;margin-left:0}}
@media(max-width:860px){.reviews-section{width:calc(100% - 40px)}.review-grid{grid-template-columns:1fr}.review-grid article{min-height:0}.review-grid blockquote{margin:20px 0}}