:root{--blue:#1645f5;--ink:#17213b;--muted:#59657b;--surface:#f5f7fc;--line:#dce2ed;--radius:16px;--ease:cubic-bezier(.22,1,.36,1)}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;color:var(--ink);background:#fff;font-family:"PingFang SC","Noto Sans SC",system-ui,sans-serif;-webkit-font-smoothing:antialiased}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit}a{color:inherit;text-decoration:none}button,a,summary{touch-action:manipulation}:focus-visible{outline:3px solid var(--blue);outline-offset:5px}button{cursor:pointer}h1,h2,h3,p{margin:0}img{display:block;max-width:100%}.wrap,.site-header{width:min(1120px,calc(100% - 64px));margin-inline:auto}.site-header{height:100px;display:flex;justify-content:space-between;align-items:center}.wordmark img{width:180px;height:60px;object-fit:contain}.site-header nav{display:flex;align-items:center;gap:32px;font-size:14px;font-weight:550}.site-header nav a{padding-block:12px}.site-header nav a:hover,.text-link:hover{color:var(--blue)}.site-header .nav-admin{border:1px solid var(--line);border-radius:10px;padding:11px 17px;display:flex;gap:20px}.skip{position:fixed;top:-80px;left:20px;background:#fff;padding:14px;z-index:20}.skip:focus{top:8px}.hero{padding:42px 0 0}.hero-copy{text-align:center}.hero h1{font-size:clamp(40px,5.2vw,72px);font-weight:650;letter-spacing:-.055em;line-height:1.3}.hero h1 span{white-space:nowrap}.hero-copy>p{margin:16px 16px 23px;color:var(--muted);font-size:18px;line-height:1.7}.button{display:inline-flex;align-items:center;justify-content:center;gap:34px;padding:15px 23px;font-size:15px;line-height:1.4;font-weight:550;border-radius:12px;min-height:48px;transition:transform .18s var(--ease),background-color .18s}.button.primary{background:var(--blue);color:#fff}.button:hover{background:#103bdc;transform:translateY(-2px)}.button:active{transform:translateY(1px) scale(.985)}.product-stage{width:min(1120px,calc(100% - 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60px);padding:30px;background:#fff;border-radius:16px;box-shadow:0 12px 35px #17213b0d}.visual-label{font-size:13px;color:var(--muted);margin-bottom:18px}.template-panel>strong{font-size:24px;font-weight:600}.template-panel dl{margin:24px 0}.template-panel dl>div{display:flex;justify-content:space-between;font-size:13px;padding:12px 0;border-bottom:1px solid #edf0f6;gap:8px}.template-panel dt{color:var(--muted)}.template-panel dd{margin:0;font:13px ui-monospace,monospace}.template-foot{font-size:13px;color:var(--muted)}.token-panel,.notice-panel{opacity:0;visibility:hidden}.token-panel{text-align:center;padding:30px 20px}.token-panel>img{margin:0 auto 16px;border-radius:14px}.token-panel>span{font-size:14px}.token-panel>strong{font:40px ui-monospace,monospace;display:block;letter-spacing:6px;margin:16px 0}.token-panel p{font-size:13px;line-height:1.7;color:var(--muted)}.notice-panel{display:flex;gap:14px;padding:25px}.notice-panel>img{border-radius:10px;flex:none}.notice-panel>div>span{display:block;font-size:12px;color:var(--muted);margin-bottom:9px}.notice-panel strong{display:block;font-size:19px;line-height:1.5}.notice-panel p{margin-top:12px;font-size:15px;line-height:1.8}.faq{padding-block:100px}.faq h2{font-size:32px;letter-spacing:-.025em;font-weight:600;margin-bottom:38px}.faq-list{max-width:850px}.faq details{border-bottom:1px solid var(--line)}summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:22px;font-size:17px;font-weight:550;padding:24px 0;line-height:1.6}summary::-webkit-details-marker{display:none}summary::after{content:"+";font-size:22px;color:var(--muted);font-weight:400}details[open] summary::after{content:"−"}details p{font-size:16px;color:var(--muted);line-height:1.9;padding:0 42px 25px 0;max-width:780px}.closing{padding:54px 0 76px;text-align:center}.closing>img{margin:0 auto 25px;border-radius:14px}.closing h2{font-size:46px;letter-spacing:-.04em;font-weight:600;line-height:1.4}.closing p{font-size:17px;color:var(--muted);margin:17px 0 27px}.site-footer{display:flex;align-items:center;gap:25px;flex-wrap:wrap;border-top:1px solid var(--line);padding-block:30px;font-size:13px;color:var(--muted)}.footer-brand{font-size:18px;font-weight:600;color:var(--ink);margin-right:auto;display:flex;align-items:center;gap:20px}.footer-brand span{font-size:13px;font-weight:400;color:var(--muted)}.site-footer nav{display:flex;gap:25px}.site-footer a:hover{color:var(--blue)}.copyright{font-size:12px}dialog{border:1px solid var(--line);border-radius:20px;padding:0;color:var(--ink);width:min(540px,calc(100% - 32px));max-height:85dvh;box-shadow:0 28px 100px #17213b25}dialog::backdrop{background:#17213b55;backdrop-filter:blur(4px)}.dialog-top{display:flex;align-items:center;justify-content:space-between;padding:13px 18px 13px 28px;font-size:14px;border-bottom:1px solid var(--line)}.close-dialog{background:none;border:0;width:44px;height:44px;border-radius:9px;color:var(--ink)}.close-dialog:hover{background:var(--surface)}.detail-content{padding:32px}.detail-content>p:first-child{color:var(--blue);font-size:14px}.detail-content h2{font-size:28px;line-height:1.45;margin:18px 0 14px}.detail-content time{font-size:13px;color:var(--muted)}#detail-body{font-size:17px;line-height:1.9;white-space:pre-wrap;border-top:1px solid var(--line);padding-top:24px;margin-top:24px}.detail-note{font-size:13px;line-height:1.8;color:var(--muted);margin-top:30px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.mobile-break{display:none}
@media(min-width:1500px){.hero{padding-top:58px}.product-stage{margin-top:44px}}
@media(max-width:800px){.wrap,.site-header{width:calc(100% - 40px)}.site-header{height:82px}.wordmark img{width:150px;height:50px}.site-header nav{gap:20px}.site-header nav>a:first-child{display:none}.hero{padding-top:34px}.hero h1{font-size:50px}.product-stage{width:calc(100% - 32px);padding:22px 30px 18px}.benefits{padding-block:80px}.section-heading h2{font-size:31px}.benefit-rows article{grid-template-columns:40px 1fr;gap:16px}.benefit-rows p{grid-column:2}.journey-layout{gap:25px}.visual-panel{width:calc(100% - 30px);padding:22px}.journey-visual{height:370px}.template-panel dd{font-size:11px}.section-heading>p{font-size:15px}.step{gap:15px}.step h3{font-size:18px}.step p{font-size:15px}.journey{padding-block:72px}.faq{padding-block:80px}.closing h2{font-size:38px}}
@media(max-width:540px){html{scroll-padding-top:24px}.site-header{height:76px}.wordmark img{width:140px;height:47px}.site-header nav>a:nth-child(2){display:none}.site-header .nav-admin{padding:10px 13px;gap:13px;font-size:13px}.hero{padding-top:30px}.hero h1{font-size:41px;line-height:1.35;letter-spacing:-.045em}.hero h1 span{display:block}.hero-copy>p{font-size:16px;margin-top:15px;line-height:1.8}.mobile-break{display:block}.button{padding:14px 20px;font-size:14px}.product-stage{padding:18px 10px 15px;margin-top:30px;border-radius:18px}.stage-intro{font-size:12px;gap:16px;margin-bottom:15px}.inbox-top{padding:15px}.inbox-tools{padding:16px 15px 12px}.inbox-tools h2{font-size:18px}.filters button{padding:7px 12px}.message-list{padding:0 5px 5px;min-height:268px}.message{gap:10px;padding:13px 10px;align-items:center}.message-symbol{width:34px;height:34px;border-radius:9px;font-size:22px}.message strong{font-size:14px;line-height:1.65}.message-meta{font-size:11px;gap:5px;line-height:1.6}.message-summary{font-size:12px;line-height:1.7}.amount{margin-left:8px}.message-chevron{font-size:20px}.inbox-bottom{padding:11px 15px;font-size:11px;gap:8px}.inbox-bottom{justify-content:flex-end}.stage-bottom{font-size:11px;gap:10px}.benefits{padding-block:64px 54px}.section-heading{display:block}.section-heading h2{font-size:29px}.section-heading>p{margin-top:20px;font-size:15px}.section-heading>p br{display:none}.benefit-rows{margin-top:34px}.benefit-rows article{padding:25px 0;gap:10px 12px;grid-template-columns:28px 1fr}.benefit-rows h3{font-size:20px}.benefit-rows p{font-size:15px;line-height:1.8}.journey{padding-block:58px}.journey-layout{display:flex;flex-direction:column;margin-top:25px;gap:28px}.steps{padding-bottom:0;width:100%}.step{padding:20px 0 15px}.step p{max-width:none}.journey-visual{position:relative;top:auto;width:100%;height:350px}.visual-panel{width:calc(100% - 44px);padding:25px}.template-panel dd{font-size:13px}.text-link{margin-left:30px}.faq{padding-block:62px}.faq h2{font-size:25px;margin-bottom:20px;line-height:1.5}summary{font-size:16px;padding:20px 0}details p{font-size:15px;padding-right:10px}.closing{padding:25px 0 58px}.closing h2{font-size:35px}.closing p{font-size:15px;line-height:1.8}.site-footer{padding-block:28px;gap:24px}.footer-brand{width:100%;gap:18px}.site-footer nav{font-size:12px;gap:22px}.copyright{margin-left:auto}.detail-content{padding:26px}.detail-content h2{font-size:24px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}.journey-visual{height:auto;overflow:visible;background:none}.visual-viewport{display:flex;flex-direction:column;gap:18px}.visual-panel{position:relative!important;opacity:1!important;visibility:visible!important;transform:none!important;width:100%}.journey-visual::before{display:none}}

/* 产品优先：首屏压缩与辅助信息可读性修整。 */
.skip{clip-path:inset(50%);width:1px;height:1px;overflow:hidden}.skip:focus-visible{clip-path:none;width:auto;height:auto;top:8px;overflow:visible}
.site-header{height:88px}.hero{padding-top:28px}.hero h1{font-size:clamp(40px,5.2vw,64px);line-height:1.3}.product-stage{margin-top:28px;padding-top:26px}.inbox-brand div>span,.today,.message-meta{font-size:13px}.message-summary{font-size:14px}.inbox-bottom{justify-content:flex-end;font-size:13px}.journey-visual{height:370px}.benefit-rows p{text-wrap:pretty}
@media(min-width:1500px){.hero{padding-top:42px}.product-stage{margin-top:32px}}
@media(max-width:800px){.site-header{height:78px}.hero h1{font-size:48px}.product-stage{padding-top:22px}.journey-visual{height:350px}}
@media(max-width:540px){.site-header{height:70px}.hero{padding-top:16px}.hero h1{font-size:36px;line-height:1.3}.hero-copy>p{font-size:16px;line-height:1.65;margin:12px 16px 18px}.product-stage{margin-top:22px;padding:14px 8px 13px}.message-list{min-height:245px}.message{padding-block:10px;gap:8px}.message strong{font-size:15px;line-height:1.5}.message-meta,.message-summary{font-size:13px}.message-meta{gap:4px}.message-summary{line-height:1.6}.message-symbol{width:30px;height:34px}.unread{font-size:7px}.message-chevron{font-size:18px}.amount{margin-left:6px}.inbox-top{padding:13px}.inbox-tools{padding:12px 13px 10px}.inbox-bottom{font-size:12px}.stage-bottom{line-height:1.6;gap:7px}.journey-visual{height:350px}.step p,.benefit-rows p{text-wrap:pretty}}
@media(prefers-reduced-motion:reduce){.journey-visual{height:auto}}

.access-status{font-size:14px;line-height:1.8;color:var(--muted);max-width:680px;margin-top:24px}.read-status{font-size:12px;color:var(--muted);margin-left:auto}.message-meta:has(.read-status) time{margin-left:auto}.was-read strong{font-weight:500}.message-meta:has(.read-status){flex-wrap:wrap}@media(max-width:540px){.access-status{font-size:14px;margin-top:22px}.read-status{font-size:12px}}