:root{--wine:#b72e43;--deep:#8e1e32;--gold:#e9c45b;--cream:#fff9f3;--jade:#16735f;--ink:#2d2022;--muted:#706467;--white:#fff;--line:rgba(142,30,50,.13);--shadow:0 18px 50px rgba(82,34,43,.12)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--cream);color:var(--ink);font-family:"Segoe UI","Microsoft YaHei",Arial,sans-serif;line-height:1.55;overflow-x: hidden}a{color:inherit;text-decoration:none}button,a{tap-highlight-color:transparent}button{font:inherit}.skip-link{position:fixed;left:12px;top:-80px;z-index:99;background:#fff;padding:12px 18px;border-radius:12px}.skip-link:focus{top:12px}.site-header{position:sticky;top:0;z-index:50;border-bottom:1px solid transparent;background:rgba(255,249,243,.86);backdrop-filter:blur(16px)}.site-header.scrolled{border-color:var(--line);box-shadow:0 8px 26px rgba(82,34,43,.06)}.nav-wrap,.section-shell,.footer-inner{width:min(1180px,calc(100% - 40px));margin:auto}.nav-wrap{height:76px;display:flex;align-items:center;gap:26px}.brand{display:flex;align-items:center;gap:10px;margin-right:auto}.brand img,.footer-brand img{object-fit:contain}.brand span{display:grid;line-height:1}.brand strong{font-size:20px;letter-spacing:.08em}.brand small{font-size:10px;letter-spacing:.24em;color:var(--deep);margin-top:5px}.site-menu{display:flex;align-items:center;gap:24px;font-size:14px;font-weight:650}.site-menu a{position:relative;padding:14px 0}.site-menu a:after{content:"";position:absolute;left:0;right:100%;bottom:8px;height:2px;background:var(--wine);transition:.25s}.site-menu a:hover:after,.site-menu a:focus-visible:after{right:0}.nav-actions{display:flex;align-items:center;gap:8px}.language-button,.menu-toggle{border:0;background:transparent;min-height: 44px;color:var(--deep);font-weight:700;cursor:pointer}.button{display:inline-flex;align-items:center;justify-content:center;min-height: 44px;padding:10px 18px;border-radius:14px;font-weight:750;border:1px solid transparent;transition:transform .2s,box-shadow .2s,background .2s}.button:hover{transform:translateY(-3px);box-shadow:0 10px 24px rgba(74,25,34,.16)}.button:active{transform:scale(.98)}.button.gold{background:var(--gold);color:#392413}.button.ghost{border-color:var(--line);background:rgba(255,255,255,.7)}.button.wine{background:var(--wine);color:#fff}.button.light{background:#fff;color:var(--deep)}.button.outline-light{border-color:rgba(255,255,255,.55);color:#fff}.button.large{min-height:52px;padding:13px 22px}.button.full{width:100%}.hero{min-height:660px;padding:82px max(20px,calc((100vw - 1180px)/2)) 74px;display:grid;grid-template-columns:1.02fr .98fr;align-items:center;gap:54px;background:radial-gradient(circle at 80% 16%,rgba(233,196,91,.22),transparent 25%),linear-gradient(135deg,#7e192b,#b72e43 60%,#8f2134);color:#fff;position:relative;overflow:hidden}.hero:before{content:"衡";position:absolute;right:-35px;bottom:-210px;font-size:510px;line-height:1;color:rgba(255,255,255,.025);font-family:serif}.eyebrow,.section-heading span,.offline-copy>span{display:inline-flex;align-items:center;gap:8px;text-transform:uppercase;letter-spacing:.12em;font-size:13px;font-weight:800}.eyebrow{color:#ffe9a0}.hero h1{font-size:clamp(40px,5.2vw,68px);line-height:1.08;letter-spacing:-.035em;margin:18px 0 24px;max-width:720px}.hero-lead{font-size:clamp(18px,2vw,23px);max-width:680px;margin:0 0 12px}.hero-note{max-width:650px;color:rgba(255,255,255,.78);margin:0}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}.hero-status{min-height:24px;margin:13px 0 0;color:#ffe9a0;font-size:13px}.device-stage{height:470px;position:relative}.desktop-device{position:absolute;right:0;top:42px;width:min(96%,570px);height:355px;background:#fdf7f3;border:8px solid #3b292d;border-radius:22px;box-shadow:0 34px 70px rgba(35,8,13,.38);overflow:hidden;animation:desktop-in .8s ease-out both}.device-bar{height:37px;background:#2d2022;display:flex;align-items:center;gap:6px;padding:0 13px;color:#fff}.device-bar span{width:8px;height:8px;border-radius:50%;background:#b72e43}.device-bar span:nth-child(2){background:#e9c45b}.device-bar span:nth-child(3){background:#16735f}.device-bar b{font-size:10px;margin-left:8px;font-weight:500;color:#ddd}.device-content{height:calc(100% - 37px);display:grid;grid-template-columns:65px 1fr;color:#333}.device-content aside{background:#661526;padding:24px 14px;display:grid;align-content:start;gap:18px}.device-content aside i{height:22px;border-radius:7px;background:rgba(255,255,255,.19)}.product-preview{padding:25px}.search-mock{height:36px;border:1px solid #eadcdf;border-radius:10px}.preview-title{width:44%;height:22px;background:#8e1e32;border-radius:8px;margin:27px 0 18px}.metric-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.metric-row b{height:62px;border-radius:14px;background:#fff0db;border:1px solid #f0dfd0}.preview-list{margin-top:18px;display:grid;gap:10px}.preview-list i{height:34px;border-radius:9px;background:#eee4e1}.phone-device{position:absolute;left:-20px;bottom:0;width:190px;height:366px;padding:30px 18px 18px;background:#fff;border:7px solid #302226;border-radius:30px;color:var(--ink);box-shadow:0 30px 60px rgba(35,8,13,.42);animation:phone-in .8s .08s ease-out both}.phone-notch{position:absolute;top:9px;left:50%;transform:translateX(-50%);width:72px;height:9px;background:#302226;border-radius:9px}.phone-brand{text-align:center;font-weight:800;color:var(--deep)}.scan-box{height:126px;margin:18px 0;border:2px solid var(--jade);border-radius:18px;display:grid;place-items:center;background:#eff9f5}.scan-box span{width:74px;height:54px;border:2px solid var(--jade);border-width:2px 0}.phone-price{text-align:center;font-size:25px;font-weight:850;color:var(--wine)}.phone-lines{display:grid;gap:7px;margin:13px 0}.phone-lines i{height:7px;border-radius:8px;background:#eadfe1}.phone-lines i:nth-child(2){width:74%}.phone-device button{position:absolute;left:18px;right:18px;bottom:16px;border:0;border-radius:12px;min-height:42px;background:var(--wine);color:#fff;font-weight:800}.sync-line{position:absolute;left:145px;right:40px;top:238px;border-top:2px dashed rgba(233,196,91,.55)}.sync-line i{position:absolute;top:-6px;width:10px;height:10px;border-radius:50%;background:var(--gold);animation:sync 2.6s infinite}.sync-line i:nth-child(2){animation-delay:.8s}.sync-line i:nth-child(3){animation-delay:1.6s}.section-shell{padding-top:84px;padding-bottom:84px}.section-heading{text-align:center;margin:0 auto 36px}.section-heading span{color:var(--wine)}.section-heading h2,.offline h2{font-size:clamp(30px,4vw,46px);line-height:1.16;margin:10px 0 0}.entry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.entry-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:28px;box-shadow:0 12px 35px rgba(70,31,39,.07);display:flex;flex-direction:column;min-height:360px}.entry-card.featured{border-color:rgba(183,46,67,.36);box-shadow:var(--shadow)}.entry-icon{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;background:#fff1b8;color:var(--deep);font-size:24px}.entry-card h3{font-size:25px;margin:17px 0 8px}.entry-card p{color:var(--muted);margin:0 0 18px}.entry-card dl{display:grid;gap:7px;margin:auto 0 20px}.entry-card dl div{display:flex;justify-content:space-between;border-bottom:1px dashed #eadbdd;padding:7px 0}.entry-card dt{color:var(--muted)}.entry-card dd{margin:0;font-weight:750}.web-ready{display:flex;align-items:center;gap:9px;margin:auto 0 20px;background:#eff9f5;border-radius:14px;padding:14px;color:var(--jade)}.web-ready i{width:10px;height:10px;border-radius:50%;background:var(--jade)}.feature-panel{background:#fff;border-radius:26px;box-shadow:var(--shadow);overflow:hidden}.feature-tabs{display:flex;overflow:auto;border-bottom:1px solid var(--line);scrollbar-width:none}.feature-tabs button{flex:1;min-width:135px;min-height:58px;border:0;background:#fff;color:var(--muted);font-weight:750;cursor:pointer;border-bottom:3px solid transparent}.feature-tabs button[aria-selected=true]{color:var(--wine);background:#fff8f4;border-color:var(--gold)}.feature-body{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:center;padding:44px}.feature-body h3{font-size:30px;margin:0 0 16px}.feature-body li{margin:12px 0;color:var(--muted)}.feature-visual{height:285px;border-radius:20px;padding:24px;background:linear-gradient(145deg,#7f1b2d,#bd3b50);box-shadow:inset 0 0 0 1px rgba(255,255,255,.18)}.visual-header{height:24px;width:46%;background:rgba(255,255,255,.9);border-radius:8px;margin-bottom:24px}.visual-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.visual-grid i{height:92px;background:rgba(255,255,255,.88);border-radius:14px}.steps-section,.faq-section{background:#f5ece5}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.steps article{position:relative;background:#fff;border-radius:22px;padding:28px}.steps article b{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:var(--wine);color:#fff;box-shadow:0 0 0 8px #f9e8e7}.steps h3{margin:22px 0 8px}.steps p{margin:0;color:var(--muted)}.offline{display:grid;grid-template-columns:1fr .85fr;gap:42px;align-items:center}.offline-copy>span{color:var(--jade)}.offline-copy li{margin:10px 0}.offline-boundary{border:1px solid rgba(22,115,95,.18);border-radius:24px;padding:30px;background:#eff9f5}.offline-boundary strong{font-size:21px;color:var(--jade)}.offline-boundary p{color:#426c62}.offline-boundary code{display:block;padding:13px;background:#fff;border-radius:12px;font-size:12px;white-space:normal;color:#654b50}.store-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.store-grid span{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);padding:20px;border-radius:18px;font-size:24px}.store-grid b{font-size:16px}.faq-list{width:min(820px,100%);margin:auto;display:grid;gap:12px}.faq-list details{background:#fff;border-radius:17px;padding:0 22px}.faq-list summary{min-height:58px;display:flex;align-items:center;justify-content:space-between;font-weight:750;cursor:pointer}.faq-list summary:after{content:"+";font-size:24px;color:var(--wine)}.faq-list details[open] summary:after{content:"−"}.faq-list p{color:var(--muted);margin:0;padding:0 0 20px}footer{background:#2d2022;color:#fff;padding:42px 0}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}.footer-brand{display:flex;align-items:center;gap:13px}.footer-brand strong{font-size:19px}.footer-brand p{margin:4px 0 0;color:#cbbfc1}.footer-inner nav{display:flex;flex-wrap:wrap;gap:20px;color:#dfd5d7;font-size:14px}.mobile-bar,.menu-toggle{display:none}.reveal{opacity:0;transform:translateY(18px);transition:opacity .55s,transform .55s}.reveal.visible{opacity:1;transform:none}@keyframes desktop-in{from{opacity:0;transform:translateX(40px)}to{opacity:1;transform:none}}@keyframes phone-in{from{opacity:0;transform:translateY(35px)}to{opacity:1;transform:none}}@keyframes sync{0%{left:0;opacity:0}20%{opacity:1}80%{opacity:1}100%{left:100%;opacity:0}}
@media(max-width:900px){.nav-wrap{width:min(100% - 28px,1180px)}.site-menu{position:fixed;left:14px;right:14px;top:68px;background:#fff;border-radius:18px;padding:12px;box-shadow:var(--shadow);display:none;align-items:stretch;flex-direction:column;gap:0}.site-menu.open{display:flex}.site-menu a{padding:13px 12px}.menu-toggle{display:grid;width:44px;place-content:center;gap:5px}.menu-toggle span{display:block;width:22px;height:2px;background:var(--deep)}.desktop-action{display:none}.hero{grid-template-columns:1fr;padding-top:62px;text-align:center;gap:25px}.hero-copy{display:grid;justify-items:center}.hero h1{font-size:clamp(38px,10vw,58px)}.hero-actions{justify-content:center}.device-stage{width:min(610px,100%);margin:auto;height:410px}.desktop-device{height:305px}.phone-device{height:325px;width:170px}.entry-grid{grid-template-columns:1fr}.entry-card{min-height:0}.feature-body,.offline{grid-template-columns:1fr}.steps{grid-template-columns:1fr}.store-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.nav-wrap,.section-shell,.footer-inner{width:min(100% - 28px,1180px)}.nav-wrap{height:66px}.brand img{width:38px;height:38px}.language-button{font-size:13px}.hero{min-height:auto;padding:52px 18px 38px;text-align:left}.hero-copy{justify-items:start}.hero h1{font-size:38px;margin:14px 0 18px}.hero-lead{font-size:18px}.hero-actions{display:grid;width:100%;justify-content:stretch}.hero-actions .button{width:100%}.device-stage{height:320px}.desktop-device{top:18px;width:96%;height:240px;border-width:5px;border-radius:16px}.phone-device{left:0;width:133px;height:260px;border-width:5px;border-radius:22px;padding:24px 12px 12px}.scan-box{height:80px;margin:12px 0}.phone-price{font-size:20px}.phone-lines{display:none}.phone-device button{left:12px;right:12px;bottom:12px}.sync-line{left:110px;top:170px}.section-shell{padding-top:60px;padding-bottom:60px}.section-heading{text-align:left;margin-bottom:25px}.section-heading h2,.offline h2{font-size:31px}.entry-card{padding:23px;border-radius:20px}.feature-panel{margin-inline:-2px}.feature-body{padding:25px;gap:25px}.feature-visual{height:220px}.visual-grid i{height:67px}.store-grid{grid-template-columns:1fr 1fr;gap:10px}.store-grid span{padding:14px;font-size:20px}.footer-inner{align-items:flex-start;flex-direction:column}.footer-inner nav{display:grid;grid-template-columns:1fr 1fr;width:100%}.mobile-bar{position:fixed;z-index:45;display:grid;grid-template-columns:1.15fr .85fr;gap:8px;left:10px;right:10px;bottom:max(10px,env(safe-area-inset-bottom));padding:8px;background:rgba(255,249,243,.92);border:1px solid var(--line);border-radius:18px;backdrop-filter:blur(14px);box-shadow:0 12px 32px rgba(56,17,25,.2)}footer{padding-bottom:112px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal,.desktop-device,.phone-device,.sync-line i{animation:none!important;transition:none!important;opacity:1;transform:none}}
:focus-visible{outline:3px solid var(--gold);outline-offset:3px}