:root{
  --paper:#f7f2e8;--paper-deep:#eee5d5;--surface:#fffdf8;--ink:#2f2a24;
  --soft:#6f6558;--faint:#9a8d7d;--craft:#82694c;--craft-dark:#5d4935;
  --terra:#b87357;--steel:#5f6f78;--gold:#b79354;--rule:#ded4c3;--ok:#64765f;
  --shadow:0 24px 70px rgba(67,52,34,.12);
  --serif:"Songti SC","STSong","Noto Serif SC","Source Han Serif SC",serif;
  --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif
}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--paper);color:var(--ink);font:14px/1.75 var(--sans);-webkit-font-smoothing:antialiased}
body:before{content:"";position:fixed;inset:0;z-index:-1;opacity:.3;pointer-events:none;background-image:radial-gradient(rgba(84,68,49,.16) .65px,transparent .75px);background-size:12px 12px}
a{color:inherit;text-decoration:none}button{font:inherit}.shell{width:min(1180px,calc(100% - 48px));margin:auto}
.skip{position:fixed;left:15px;top:-60px;z-index:200;background:var(--ink);color:#fff;padding:9px 14px;border-radius:0 0 6px 6px}.skip:focus{top:0}
header{position:sticky;top:0;z-index:100;background:rgba(247,242,232,.9);backdrop-filter:blur(18px);border-bottom:1px solid rgba(130,105,76,.13)}
.nav{height:74px;display:flex;align-items:center;gap:30px}.brand{display:flex;align-items:center;gap:12px;margin-right:auto}
.logo{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;position:relative;color:#f9f2e6;background:radial-gradient(circle at 35% 30%,#a88a62,var(--craft-dark) 72%);box-shadow:inset 0 0 0 1px rgba(255,255,255,.25),0 8px 24px rgba(67,52,34,.18)}
.logo:before{content:"♥";font-size:18px;color:#eadcc4;transform:translateY(-1px)}.logo:after{content:"";position:absolute;inset:5px;border:1px dashed rgba(255,255,255,.46);border-radius:50%}
.brand-name{font:700 18px/1 var(--serif);letter-spacing:.12em}.brand-note{display:block;margin-top:7px;color:var(--faint);font-size:9px;letter-spacing:.16em}
.links{display:flex;align-items:center;gap:25px;color:var(--soft);font-size:13px}.links a{padding:8px 0}.links a:hover{color:var(--terra)}
.nav-btn{padding:9px 15px!important;border:1px solid var(--craft);border-radius:6px;color:var(--craft-dark)!important}.menu{display:none;width:42px;height:42px;border:1px solid var(--rule);border-radius:6px;background:var(--surface);cursor:pointer}
.eyebrow{display:flex;align-items:center;gap:10px;color:var(--craft);font-size:11px;font-weight:700;letter-spacing:.18em}.eyebrow:before{content:"";width:28px;height:1px;background:currentColor}
.btn{min-height:48px;padding:11px 20px;display:inline-flex;align-items:center;justify-content:center;gap:9px;border:1px solid transparent;border-radius:7px;font-weight:650;cursor:pointer;transition:.2s}.btn:hover{transform:translateY(-2px)}
.primary{background:var(--craft-dark);color:#fffaf0;box-shadow:0 12px 30px rgba(67,52,34,.18)}.secondary{border-color:var(--rule);background:rgba(255,253,248,.55)}
.section{padding:106px 0}.section-head{display:grid;grid-template-columns:.8fr 1.2fr;gap:55px;align-items:end;margin-bottom:46px}
.section-head h2{margin:12px 0 0;font:700 clamp(32px,4.5vw,56px)/1.18 var(--serif);letter-spacing:.04em}.section-head p{margin:0;color:var(--soft);font-size:15px;max-width:650px}

/* 官网 */
.hero{min-height:750px;display:grid;align-items:center;padding:70px 0 90px;overflow:hidden;position:relative}.hero:after{content:"";position:absolute;width:520px;height:520px;border:1px solid rgba(130,105,76,.16);border-radius:50%;right:-160px;top:-220px;box-shadow:0 0 0 80px rgba(130,105,76,.025),0 0 0 160px rgba(130,105,76,.018)}
.hero-grid{display:grid;grid-template-columns:1.03fr .97fr;gap:70px;align-items:center}.hero-copy{position:relative;z-index:2}.kicker{display:flex;align-items:center;gap:13px;color:var(--craft);font-size:12px;letter-spacing:.18em}.kicker:before{content:"";width:44px;height:1px;background:var(--terra)}
h1{margin:20px 0 16px;font:800 clamp(60px,8vw,100px)/1.05 var(--serif);letter-spacing:.11em}.slogan{font:500 clamp(20px,2.5vw,29px)/1.5 var(--serif);letter-spacing:.25em;color:var(--craft-dark)}
.lead{max-width:610px;margin:25px 0 0;color:var(--soft);font-size:16px;line-height:2}.actions{display:flex;gap:12px;margin-top:36px}.trust{display:flex;flex-wrap:wrap;gap:16px 25px;margin-top:34px;color:var(--faint);font-size:12px}.trust span:before{content:"✓";margin-right:6px;color:var(--ok);font-weight:800}
.visual{position:relative;min-height:610px;display:grid;place-items:center}.orbit{position:absolute;width:500px;height:500px;border:1px dashed rgba(130,105,76,.26);border-radius:50%}
.phone{width:292px;height:590px;padding:11px;border-radius:43px;background:#252019;position:relative;z-index:2;box-shadow:0 44px 80px rgba(52,41,28,.27)}.phone:before{content:"";position:absolute;z-index:5;top:16px;left:50%;width:92px;height:23px;transform:translateX(-50%);border-radius:14px;background:#252019}
.screen{height:100%;border-radius:34px;overflow:hidden;background:#faf6ef;position:relative}.app-head{padding:38px 17px 13px;display:flex;justify-content:space-between;align-items:end}.app-head b{font:700 20px var(--serif)}.app-head small{display:block;color:var(--faint);font-size:9px}.plus{width:33px;height:33px;border:1px solid #eee5d7;border-radius:50%;display:grid;place-items:center;background:#fff;color:var(--craft)}
.daily{margin:0 14px 14px;padding:17px;border-radius:15px;background:linear-gradient(145deg,var(--craft-dark),#8d7251);color:#fff8ed}.daily small{font-size:8px;letter-spacing:.16em;opacity:.75}.daily strong{display:block;margin-top:5px;font:600 14px var(--serif)}
.feed-title{display:flex;justify-content:space-between;padding:4px 16px 10px;font-size:9px;color:var(--faint)}.feed-title b{font:600 12px var(--serif);color:var(--ink)}
.post{margin:0 14px;border-radius:14px;background:#fff;overflow:hidden;box-shadow:0 8px 24px rgba(72,55,35,.08)}.post-img{height:150px;background:linear-gradient(145deg,#bea98a,#7f6b54);display:grid;place-items:center;position:relative}.post-img>span{position:absolute;left:10px;top:10px;padding:3px 8px;border-radius:20px;background:rgba(38,31,24,.42);color:#fff;font-size:8px}
.thread{width:84px;height:84px;border:2px solid rgba(255,255,255,.7);border-radius:50%;position:relative}.thread:before,.thread:after{content:"";position:absolute;inset:13px;border:1px solid rgba(255,255,255,.48);border-radius:48% 52% 46% 54%;transform:rotate(24deg)}.thread:after{inset:25px;transform:rotate(-36deg)}
.post-body{padding:10px 12px}.person{display:flex;align-items:center;gap:8px;font-size:10px}.avatar{width:23px;height:23px;border-radius:7px;background:var(--terra);display:grid;place-items:center;color:#fff;font:600 10px var(--serif)}.person i{margin-left:auto;color:var(--gold);font-style:normal}.post-body p{margin:7px 0 0;color:var(--soft);font-size:9px;line-height:1.5}
.tabs{position:absolute;left:0;right:0;bottom:0;height:56px;background:rgba(255,255,255,.96);border-top:1px solid #eee5d7;display:flex;align-items:center;justify-content:space-around;color:var(--faint);font-size:8px}.tabs span{display:grid;text-align:center}.tabs span:before{content:"○";font-size:15px;line-height:1}.tabs .on{color:var(--craft);font-weight:700}.tabs .on:before{content:"●"}
.positioning{background:var(--surface);border-block:1px solid rgba(130,105,76,.11)}.position-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:80px;align-items:center}.big-quote{margin:14px 0 22px;font:600 clamp(28px,4vw,46px)/1.55 var(--serif)}.copy{color:var(--soft);font-size:15px;line-height:2}
.quiet-card{padding:34px;border-left:3px solid var(--terra);border-radius:0 7px 7px 0;background:var(--paper)}.quiet-card b{font:700 20px var(--serif)}.quiet-card p{color:var(--soft)}.tags{display:flex;flex-wrap:wrap;gap:8px}.tags span{padding:5px 10px;border:1px solid var(--rule);border-radius:99px;color:var(--soft);font-size:11px}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--rule);border-left:1px solid var(--rule)}.feature{padding:29px 27px;min-height:240px;border-right:1px solid var(--rule);border-bottom:1px solid var(--rule);background:rgba(255,253,248,.48)}.feature small{color:var(--faint);letter-spacing:.15em}.feature-icon{width:45px;height:45px;margin:29px 0 17px;border:1px dashed var(--craft);border-radius:50%;display:grid;place-items:center;background:var(--paper-deep);font:700 19px var(--serif)}.feature h3{margin:0;font:700 19px var(--serif)}.feature p{margin:9px 0 0;color:var(--soft);font-size:12px}
.scenes{background:var(--craft-dark);color:#fffaf0}.scenes .eyebrow{color:#d7bea0}.scenes .section-head p{color:#cfc1b0}.scene-grid{display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid rgba(255,255,255,.16)}.scene{padding:31px 22px;border-right:1px solid rgba(255,255,255,.14)}.scene:last-child{border:0}.scene small{color:#bda88d;letter-spacing:.16em}.scene h3{min-height:58px;margin:22px 0 8px;font:600 17px/1.6 var(--serif)}.scene p{margin:0;color:#cfc1b0;font-size:11px}
.compliance-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.card{padding:31px;background:var(--surface);border:1px solid var(--rule);border-radius:7px}.card-title{display:flex;align-items:center;gap:10px;font:700 19px var(--serif)}.dot{width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 5px rgba(100,118,95,.12)}
.identity{margin:22px 0 0}.identity div{display:grid;grid-template-columns:120px 1fr;gap:12px;padding:12px 0;border-bottom:1px solid var(--rule);font-size:12px}.identity div:last-child{border:0}.identity dt{color:var(--faint)}.identity dd{margin:0;font-weight:600;word-break:break-word}.protocols{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:20px}.protocols a{padding:11px 12px;border:1px solid var(--rule);border-radius:6px;background:var(--paper);font-size:12px;color:var(--soft)}.protocols a:hover{border-color:var(--craft);color:var(--craft-dark)}

/* 技术支持页 */
.support-hero{padding:90px 0 80px;background:var(--ink);color:#fffaf0;position:relative;overflow:hidden}.support-hero:after{content:"助";position:absolute;right:-20px;bottom:-170px;color:rgba(255,255,255,.025);font:800 430px var(--serif)}
.support-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:70px;align-items:center;position:relative;z-index:2}.support-hero .eyebrow{color:#d8b999}.support-hero h1{font-size:clamp(48px,7vw,82px);letter-spacing:.03em}.support-hero p{max-width:650px;color:#cfc5b7;font-size:15px;line-height:2}
.email-card{padding:28px;border:1px solid rgba(255,255,255,.17);border-radius:7px;background:rgba(255,255,255,.055);backdrop-filter:blur(9px)}.email-card small{color:#a99d90;letter-spacing:.15em}.email{display:block;margin:12px 0 20px;font-size:clamp(17px,2vw,22px);font-weight:650;word-break:break-all}.email-actions{display:flex;gap:9px}.email-card .primary{background:var(--terra)}.email-card .secondary{color:#fff;border-color:#665c52;background:transparent}
.range-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.range{min-height:174px;padding:24px;border:1px solid var(--rule);border-radius:7px;background:var(--surface)}.range small{color:var(--terra);letter-spacing:.14em}.range h3{margin:18px 0 8px;font:700 17px var(--serif)}.range p{margin:0;color:var(--soft);font-size:12px}
.guide{margin-top:24px;padding:28px;display:grid;grid-template-columns:190px 1fr;gap:28px;border:1px dashed var(--craft);border-radius:7px;background:rgba(255,253,248,.62)}.guide h3{margin:0;font:700 19px var(--serif)}.guide p{margin:0;color:var(--soft);font-size:12px}.guide b{color:var(--ink)}
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:22px}.contact-card{padding:32px;background:var(--surface);border:1px solid var(--rule);border-radius:7px}.contact-card h3{margin:0 0 20px;font:700 20px var(--serif)}.contact-row{padding:12px 0;border-bottom:1px solid var(--rule)}.contact-row:last-child{border:0}.contact-row span{display:block;color:var(--faint);font-size:10px}.contact-row b{display:block;margin-top:2px;font-size:13px;word-break:break-word}
.agreement-list{display:grid;grid-template-columns:1fr 1fr;gap:11px}.agreement-list details{border:1px solid var(--rule);border-radius:7px;background:var(--surface)}.agreement-list summary{padding:16px 40px 16px 16px;position:relative;list-style:none;cursor:pointer;font:600 14px var(--serif)}.agreement-list summary::-webkit-details-marker{display:none}.agreement-list summary:after{content:"+";position:absolute;right:16px;color:var(--craft);font:300 21px var(--sans)}.agreement-list details[open] summary:after{transform:rotate(45deg)}.agreement-body{padding:0 16px 18px;color:var(--soft);font-size:11px}.agreement-body h4{margin:13px 0 4px;color:var(--ink);font:700 13px var(--serif)}.agreement-body p,.agreement-body ul{margin:5px 0}.agreement-body ul{padding-left:18px}.agreement-body a{color:var(--craft);text-decoration:underline}
.faq{max-width:880px;margin:auto}.faq details{border-top:1px solid var(--rule)}.faq details:last-child{border-bottom:1px solid var(--rule)}.faq summary{padding:21px 40px 21px 0;position:relative;list-style:none;cursor:pointer;font:600 15px var(--serif)}.faq summary:after{content:"+";position:absolute;right:4px;color:var(--craft);font-size:23px}.faq details[open] summary:after{transform:rotate(45deg)}.faq p{margin:-5px 0 20px;color:var(--soft);font-size:12px;padding-right:50px}
.toast{position:fixed;left:50%;bottom:28px;z-index:300;transform:translate(-50%,20px);padding:9px 15px;border-radius:6px;background:var(--ink);color:#fff;font-size:12px;opacity:0;pointer-events:none;transition:.2s}.toast.show{opacity:1;transform:translate(-50%,0)}

footer{padding:52px 0 32px;background:#28231d;color:#cfc5b7}.footer-top{display:grid;grid-template-columns:1fr 1.2fr;gap:65px;padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.12)}.footer-brand{display:flex;gap:13px}.footer-brand b{display:block;color:#fff8ed;font:700 19px var(--serif);letter-spacing:.1em}.footer-brand p{margin:7px 0;color:#968a7b;font-size:11px}.footer-info{display:grid;grid-template-columns:1fr 1fr;gap:10px 28px;font-size:11px}.footer-info span{display:block;color:#8f8375}.footer-info b{font-weight:500;color:#d2c7ba;word-break:break-word}.footer-bottom{display:flex;justify-content:space-between;gap:25px;padding-top:25px;color:#817669;font-size:10px}.footer-links{display:flex;flex-wrap:wrap;gap:14px}.footer-links a{color:#aaa093}

@media(max-width:950px){.shell{width:min(calc(100% - 36px),820px)}.links{display:none;position:absolute;left:18px;right:18px;top:68px;flex-direction:column;align-items:stretch;gap:0;padding:13px;background:rgba(255,253,248,.98);border:1px solid var(--rule);border-radius:7px;box-shadow:var(--shadow)}.links.open{display:flex}.links a{padding:10px}.menu{display:block}.hero-grid,.position-grid,.support-grid,.contact-grid{grid-template-columns:1fr}.hero-copy{text-align:center}.kicker,.actions,.trust{justify-content:center}.lead{margin-inline:auto}.feature-grid,.range-grid{grid-template-columns:1fr 1fr}.scene-grid{grid-template-columns:1fr 1fr}.scene{border-bottom:1px solid rgba(255,255,255,.14)}.section-head{grid-template-columns:1fr;gap:18px}.compliance-grid{grid-template-columns:1fr}.footer-top{grid-template-columns:1fr;gap:35px}}
@media(max-width:620px){html{scroll-padding-top:72px}.shell{width:calc(100% - 30px)}.nav{height:66px}.brand-note{display:none}.section{padding:74px 0}.hero{min-height:0;padding:48px 0 66px}h1{font-size:49px;letter-spacing:.08em}.slogan{font-size:18px;letter-spacing:.15em}.lead{font-size:14px}.actions,.email-actions{flex-direction:column}.actions .btn,.email-actions .btn{width:100%}.visual{min-height:530px}.phone{width:260px;height:526px}.screen{border-radius:29px}.post-img{height:125px}.orbit{width:380px;height:380px}.feature-grid,.range-grid,.scene-grid,.protocols,.agreement-list{grid-template-columns:1fr}.section-head h2{font-size:35px}.feature{min-height:0}.scene{border-right:0}.card{padding:23px}.identity div{grid-template-columns:1fr;gap:2px}.guide{grid-template-columns:1fr;gap:8px;padding:21px}.support-hero{padding:68px 0 62px}.support-hero h1{font-size:43px}.email-card{padding:22px 19px}.contact-card{padding:24px}.footer-info{grid-template-columns:1fr}.footer-bottom{flex-direction:column}.faq p{padding-right:20px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition-duration:.01ms!important}}