:root{--ink:#171719;--red:#b51f45;--red-deep:#7f1532;--mint:#bfe5d2;--paper:#f7f5f0;--white:#fff;--line:#c9c2ba;--max:1160px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","微软雅黑",Arial,Helvetica,sans-serif;line-height:1.7;letter-spacing:0}img{display:block;max-width:100%;height:auto}a{color:inherit;text-decoration:none}header{position:sticky;top:0;z-index:30;background:rgba(247,245,240,.96);border-bottom:1px solid var(--ink)}.nav-inner{width:min(var(--max),calc(100% - 40px));height:72px;margin:auto;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:11px;font-size:19px;font-weight:900}.brand img{border-radius:3px}.site-nav{display:flex;align-items:center;gap:29px;font-size:14px;font-weight:750}.site-nav a{padding:8px 0}.site-nav a.active{color:var(--red);border-bottom:2px solid var(--red)}.nav-download{padding:9px 18px!important;background:var(--red);color:#fff!important}.menu-toggle{display:none;width:42px;height:42px;padding:9px;border:1px solid var(--ink);background:var(--mint)}.menu-toggle span{display:block;height:2px;margin:4px 0;background:var(--ink)}
.hero{border-bottom:1px solid var(--ink)}.hero-inner{width:min(var(--max),calc(100% - 40px));min-height:640px;margin:auto;padding:42px 0;display:grid;grid-template-columns:minmax(0,1fr) minmax(450px,.95fr);gap:64px;align-items:center}.signal{color:var(--red);font-size:12px;font-weight:900}.hero h1{max-width:610px;margin:10px 0 20px;font-size:clamp(42px,4.6vw,68px);line-height:1.08;text-wrap:balance}.hero-copy>p{max-width:580px;color:#514c50;font-size:17px}.hero-actions{display:flex;align-items:center;gap:20px;margin:26px 0}.button{display:inline-flex;min-height:48px;padding:11px 24px;align-items:center;justify-content:center;background:var(--red);border:1px solid var(--red);color:#fff;font-weight:850}.button:hover{background:var(--ink);border-color:var(--ink)}.arrow-link{font-weight:850;border-bottom:2px solid var(--red)}.status-line{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin-top:32px;border-top:1px solid var(--ink)}.status-line span{padding:12px 0;border-right:1px solid var(--line);font-size:13px;font-weight:800}.hero-media{position:relative;height:540px;overflow:hidden;background:var(--mint);border:1px solid var(--ink)}.hero-media:before{content:"";position:absolute;inset:28px;background:repeating-linear-gradient(0deg,transparent 0,transparent 45px,rgba(23,23,25,.12) 46px)}.hero-primary-shot{position:absolute;z-index:3;left:50%;top:50%;width:205px;transform:translate(-50%,-50%);border:7px solid var(--ink);box-shadow:12px 12px 0 var(--red-deep)}.step-shot{position:absolute;z-index:2;width:112px;border:5px solid #fff;box-shadow:7px 7px 0 rgba(23,23,25,.28)}.step-one{left:4%;top:42px;transform:rotate(-4deg)}.step-two{right:4%;bottom:34px;transform:rotate(4deg)}.frame-note{position:absolute;z-index:4;right:13px;top:10px;font-size:11px;font-weight:900}.showcase{background:var(--ink);color:#fff;padding:66px max(20px,calc((100vw - var(--max))/2))}.band-title{display:flex;align-items:baseline;gap:20px;margin-bottom:30px}.band-title span{color:var(--red);font-size:11px;font-weight:900}.showcase .band-title span{color:var(--mint)}.band-title h2{margin:0;font-size:32px}.showcase-track{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:35px}.showcase figure{margin:0;display:grid;grid-template-columns:170px minmax(0,1fr);gap:16px;align-items:end}.showcase img{width:170px}.showcase figcaption b,.showcase figcaption span{display:block}.showcase figcaption b{font-size:18px}.showcase figcaption span{color:#c8c3c8;font-size:13px}.controls{background:var(--mint)}.controls-inner,.start,.answers{width:min(var(--max),calc(100% - 40px));margin:auto;padding:66px 0}.control-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid var(--ink);border-left:1px solid var(--ink)}.control-list article{padding:26px;border-right:1px solid var(--ink);border-bottom:1px solid var(--ink)}.control-list b{color:var(--red);font-size:12px}.control-list h3{margin:8px 0;font-size:23px}.control-list p{margin:0;color:#414744}.start-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--ink)}.start-steps>div{padding:24px 24px 24px 0;border-bottom:1px solid var(--line)}.start-steps>div+div{padding-left:24px;border-left:1px solid var(--line)}.start-steps span{display:grid;width:36px;height:36px;place-items:center;background:var(--red);color:#fff;font-weight:900}.start-steps h3{font-size:21px}.start-steps p{color:#5a5559}.start>.arrow-link{display:inline-block;margin-top:22px}.answers{padding-top:20px}.answer-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--ink)}details{border-bottom:1px solid var(--line)}.answer-row details{padding-right:22px}.answer-row details+details{padding-left:22px;border-left:1px solid var(--line)}summary{position:relative;list-style:none;cursor:pointer;padding:18px 30px 18px 0;font-weight:800}summary::-webkit-details-marker{display:none}summary:after{content:"+";position:absolute;right:8px;font-size:20px}details[open] summary:after{content:"−"}details p{margin:-4px 0 20px;color:#565156}.answers>.button{margin-top:24px}.button.secondary{background:transparent;color:var(--ink);border-color:var(--ink)}.closing{width:min(var(--max),calc(100% - 40px));margin:0 auto 66px;padding:30px 34px;display:flex;align-items:center;justify-content:space-between;background:var(--red-deep);color:#fff}.closing span{font-size:11px;font-weight:900;color:var(--mint)}.closing h2{margin:3px 0 0}.button.light{background:#fff;border-color:#fff;color:var(--red-deep)}footer{background:#dedbd6;border-top:1px solid var(--ink);text-align:center}.footer-inner{width:min(var(--max),calc(100% - 40px));margin:auto;padding:35px 0}.footer-inner .brand{justify-content:center}.footer-inner p{max-width:760px;margin:14px auto;color:#5c565b;font-size:13px}.footer-inner small{color:#706a6f}
.inner-main{width:min(var(--max),calc(100% - 40px));margin:auto}.inner-hero{padding:72px 0 50px;border-bottom:1px solid var(--ink)}.inner-hero h1{max-width:780px;margin:10px 0 14px;font-size:clamp(42px,4.3vw,58px);line-height:1.12;text-wrap:balance}.inner-hero p{max-width:720px;margin:0;color:#565056;font-size:17px}.timeline{padding:48px 0}.timeline article{display:grid;grid-template-columns:80px minmax(0,1fr);gap:26px;padding:0 0 40px;scroll-margin-top:100px}.timeline article>span{display:grid;place-items:center;width:52px;height:52px;background:var(--mint);border:1px solid var(--ink);font-weight:900}.timeline h2{margin:0 0 13px;font-size:27px}.timeline p{margin:0 0 12px;color:#514c50}.timeline a{color:var(--red);font-weight:800;border-bottom:1px solid currentColor}.inner-action{margin:0 0 66px;padding:27px 30px;display:flex;align-items:center;gap:20px;background:#e9e4de;border-left:7px solid var(--red)}.inner-action>div{margin-right:auto}.inner-action h2,.inner-action p{margin:0}.faq-board{display:grid;grid-template-columns:260px minmax(0,1fr);gap:55px;padding:48px 0}.faq-label{height:max-content;padding:25px;background:var(--mint);border-top:7px solid var(--red)}.faq-label strong{display:block;font-size:68px;line-height:1}.faq-label span{font-weight:900}.faq-label p{color:#4d514f}.faq-stack{border-top:1px solid var(--ink)}.faq-stack summary{font-size:17px}.faq-stack p{max-width:760px}
@media(max-width:900px){.hero-inner{grid-template-columns:minmax(0,1fr) 410px;gap:36px}.showcase figure{grid-template-columns:140px minmax(0,1fr)}.showcase img{width:140px}.faq-board{grid-template-columns:220px minmax(0,1fr)}}
@media(max-width:720px){.nav-inner{width:min(100% - 28px,var(--max));height:64px}.brand{font-size:17px}.brand img{width:40px;height:40px}.menu-toggle{display:block}.site-nav{display:none;position:absolute;top:63px;left:14px;right:14px;padding:10px;background:var(--paper);border:1px solid var(--ink);box-shadow:7px 7px 0 rgba(0,0,0,.15);flex-direction:column;align-items:stretch;gap:0}.site-nav.open{display:flex}.site-nav a{padding:10px}.nav-download{text-align:center}.hero-inner{width:min(100% - 28px,var(--max));min-height:auto;padding:32px 0 26px;grid-template-columns:1fr;gap:20px}.hero h1{font-size:36px}.hero-copy>p{font-size:15px}.hero-actions{margin:18px 0}.status-line{margin-top:18px}.hero-media{height:270px}.hero-primary-shot{height:246px;width:auto;border-width:5px;box-shadow:7px 7px 0 var(--red-deep)}.step-shot{display:none}.showcase{padding:48px 14px}.band-title{margin-bottom:22px}.band-title h2{font-size:27px}.showcase-track,.control-list,.start-steps,.answer-row{grid-template-columns:1fr}.showcase figure{grid-template-columns:150px minmax(0,1fr);gap:18px}.showcase img{width:150px}.controls-inner,.start,.answers{width:min(100% - 28px,var(--max));padding:48px 0}.control-list article{padding:21px}.start-steps>div,.start-steps>div+div{padding:20px 0;border-left:0}.answer-row details,.answer-row details+details{padding:0;border-left:0}.closing{width:min(100% - 28px,var(--max));display:block;padding:24px;margin-bottom:48px}.closing h2{font-size:22px;margin-bottom:16px}.inner-main{width:min(100% - 28px,var(--max))}.inner-hero{padding:45px 0 34px}.inner-hero h1{font-size:33px}.timeline{padding:36px 0}.timeline article{grid-template-columns:44px minmax(0,1fr);gap:14px;padding-bottom:34px}.timeline article>span{width:38px;height:38px;font-size:12px}.timeline h2{font-size:23px}.inner-action{display:block;padding:23px}.inner-action .button,.inner-action .arrow-link{margin-top:14px;margin-right:12px}.faq-board{grid-template-columns:1fr;gap:30px;padding:36px 0}.faq-label strong{font-size:55px}.footer-inner{width:min(100% - 28px,var(--max))}}
@media(max-width:390px){.hero h1{font-size:33px}.hero-actions{align-items:flex-start;flex-direction:column}.hero-media{height:250px}.hero-primary-shot{height:226px}.status-line{grid-template-columns:repeat(2,minmax(0,1fr))}.showcase figure{grid-template-columns:130px minmax(0,1fr)}.showcase img{width:130px}.inner-hero h1{font-size:31px}}