:root{color-scheme:light;--ink:#271c36;--muted:#6e647b;--purple:#6829b6;--deep:#421276;--line:#e8e1ef;--paper:#fbf9fe;--orange:#ffb347}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:88px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75;font-size:15px}
a{color:var(--purple);text-underline-offset:4px}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #f4ab30;outline-offset:5px}
button{font:inherit}
img{display:block;max-width:100%}
.wrap{width:min(1180px,calc(100% - 48px));margin:0 auto}
.site-header{height:76px;background:var(--deep);color:white}
.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:inline-flex;align-items:center;flex-shrink:0}
.brand img{width:158px;height:auto}
.back-link{color:#fff;text-decoration:none;font-size:14px;border:1px solid #ffffff55;border-radius:999px;padding:7px 16px}
.hero{padding:66px 0 54px;background:radial-gradient(ellipse at 92% 10%,#e7d7fa 0,transparent 55%),linear-gradient(145deg,#faf7ff,#f3eafb);border-bottom:1px solid var(--line)}
.eyebrow{display:inline-block;margin:0 0 17px;border:1px solid #d5b9ef;color:var(--purple);border-radius:999px;padding:3px 13px;font-size:13px;font-weight:650;letter-spacing:1px}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(30px,4.1vw,50px);letter-spacing:-1px;line-height:1.3;margin-bottom:20px;max-width:960px}
h1 span{display:inline-block}
.lead{font-size:17px;color:var(--muted);max-width:720px;margin-bottom:22px}
.meta{display:flex;flex-wrap:wrap;gap:8px 12px;margin-bottom:27px}
.meta span{background:#fff9;border:1px solid #e1d3ee;border-radius:8px;padding:3px 11px;font-size:13px}
.actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:10px 23px;border-radius:12px;text-decoration:none;font-weight:650;line-height:1.5}
.button-primary{background:var(--purple);color:white;box-shadow:0 7px 18px #6829b622}
.button-primary:hover{background:#542093}
.button-secondary{background:#fff;color:var(--deep);border:1px solid #ddcce9}
.hero-note{font-size:12px;margin:17px 0 0;color:var(--muted)}
.section{padding:48px 0 0}
.section-head{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:24px}
.section-head h2{font-size:27px;line-height:1.4;margin:0 0 6px}
.section-head p{margin:0;color:var(--muted);font-size:14px}
.step-nav{display:flex;gap:8px;overflow:auto;padding:0 0 10px;margin-bottom:22px;scrollbar-width:thin}
.step-nav a{flex:0 0 auto;padding:6px 12px;border:1px solid var(--line);border-radius:9px;text-decoration:none;background:#fff;font-size:13px;color:#62556f}
.step-nav a:hover{border-color:var(--purple);color:var(--purple)}
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.step{min-width:0;border:1px solid var(--line);border-radius:18px;background:white;overflow:hidden;scroll-margin-top:25px}
.step-copy{padding:20px 18px 14px;min-height:202px}
.step-title{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.step-number{flex:0 0 29px;height:29px;display:grid;place-items:center;border-radius:9px;background:#f0e6fc;color:var(--purple);font-weight:750;font-size:14px}
.step h3{font-size:17px;line-height:1.45;margin:0}
.step p{font-size:13px;line-height:1.8;color:var(--muted);margin:0}
.step p strong{color:var(--ink);font-weight:650}
.step .minor{margin-top:7px;font-size:12px}
.step .minor a{font-size:12px}
.shot-area{padding:12px 18px 16px;background:#f7f4fb;border-top:1px solid #eee8f4}
.shot-link{display:block;margin:0 auto;max-width:226px;border-radius:12px;overflow:hidden;border:1px solid #e1dae9;box-shadow:0 5px 16px #2e174712;background:#fff;cursor:zoom-in}
.shot-link img{width:100%;height:auto;aspect-ratio:9/16;object-fit:contain}
.shot-caption{display:block;text-align:center;color:#81758d;font-size:11px;margin-top:9px}
.complete-note{margin:24px 0 0;padding:16px 20px;border:1px solid #ddcbee;background:#f2eafa;border-radius:13px;color:#5a347e;font-size:14px}
.prompt-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.prompt-card{min-width:0;padding:24px;border:1px solid var(--line);border-radius:18px;background:#fff}
.prompt-card h3{font-size:20px;line-height:1.5;margin-bottom:10px}
.prompt-card>p{font-size:14px;color:var(--muted);margin-bottom:14px}
.prompt-card>p.prompt-note{color:#bd1b27;font-size:16px;font-weight:700;line-height:1.7}
.prompt-image{margin:22px 0 0}
.prompt-image .shot-link{max-width:226px}
.prompt-image .shot-caption{max-width:340px;margin:10px auto 0}
@media(max-width:680px){.prompt-grid{grid-template-columns:1fr}.prompt-card{padding:21px}.prompt-card h3{font-size:19px}.prompt-card>p.prompt-note{font-size:15px}}
.help-box{border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fff}
.help-intro{padding:22px 24px;background:#f6f0fc;border-bottom:1px solid var(--line)}
.help-intro p{margin:0;font-size:14px;color:#675676}
.help-box details{border-bottom:1px solid var(--line)}
.help-box details:last-child{border-bottom:0}
.help-box summary{list-style:none;position:relative;cursor:pointer;padding:20px 54px 20px 24px;font-weight:650;font-size:15px;line-height:1.65}
.help-box summary::-webkit-details-marker{display:none}
.help-box summary::after{content:"+";position:absolute;right:24px;top:17px;color:#8b6fa6;font-size:24px;font-weight:400}
.help-box details[open] summary::after{content:"−"}
.help-content{padding:0 24px 24px;color:var(--muted);font-size:14px;max-width:960px}
.help-content p:last-child{margin-bottom:0}
.help-content ol{padding-left:21px;margin:12px 0}
.help-content li{margin:5px 0}
.help-content strong{color:var(--ink)}
.help-image{margin:17px 0 0;width:min(230px,100%)}
.help-image .shot-caption{text-align:left}
.notice-danger{border-left:3px solid #bd4d4d;padding-left:15px;color:#814747}
.tag{display:inline-block;border-radius:5px;padding:1px 7px;background:#f1e9f8;color:#74508b;font-size:11px;font-weight:500;margin-left:8px;vertical-align:middle}
.package{padding:26px;border:1px solid var(--line);border-radius:18px;background:#fff;margin-bottom:44px}
.package h3{font-size:18px;margin-bottom:10px}
.package dl{margin:0;font-size:13px}
.package dt{float:left;clear:left;color:var(--muted);width:74px}
.package dd{margin-left:84px;margin-bottom:6px;overflow-wrap:anywhere}
.fine{font-size:12px;color:var(--muted);line-height:1.8;margin:11px 0 0}
.site-footer{padding:25px 0 108px;border-top:1px solid var(--line);color:#81758e;font-size:12px;text-align:center}
.site-footer p{margin:0 0 6px}
.site-footer a{color:#6c4d8b}
.mobile-dock{display:none}
.lightbox{border:0;border-radius:15px;padding:0;background:#faf8fc;max-width:min(92vw,900px);max-height:94vh;color:var(--ink)}
.lightbox::backdrop{background:#170e23dd}
.lightbox-header{display:flex;justify-content:space-between;align-items:center;gap:18px;padding:13px 17px;border-bottom:1px solid var(--line);font-size:14px}
.lightbox-close{border:1px solid var(--line);background:white;border-radius:7px;padding:5px 10px;cursor:pointer;flex-shrink:0;font-size:13px}
.lightbox-body{overflow:auto;max-height:calc(94vh - 65px);padding:16px;overscroll-behavior:contain}
.lightbox img{width:auto;max-width:100%;height:auto;margin:auto}
.lightbox-footer{margin:12px 0 0;text-align:center;font-size:12px}
@media(min-width:1450px){.wrap{width:min(1260px,calc(100% - 80px))}.step-copy{min-height:190px}.shot-link{max-width:235px}}
@media(max-width:1080px){.steps{grid-template-columns:repeat(3,minmax(0,1fr))}.step-copy{min-height:188px}}
@media(max-width:780px){.steps{grid-template-columns:repeat(2,minmax(0,1fr))}.step-copy{min-height:180px}.section-head{display:block}.section-head h2{font-size:24px}.hero{padding:44px 0 38px}.lead{font-size:15px}.brand img{width:145px}.site-header{height:68px}}
@media(max-width:560px){.wrap{width:calc(100% - 36px)}h1{font-size:30px;letter-spacing:-.5px}.hero{padding-top:34px}.steps{grid-template-columns:1fr;gap:20px}.step-copy{min-height:0;padding:22px 22px 17px}.step h3{font-size:19px}.step p{font-size:14px}.shot-area{padding:18px 18px 16px}.shot-link{max-width:286px}.shot-caption{font-size:12px}.section{padding-top:34px}.help-box summary{padding-left:18px;font-size:14px}.help-content{padding-left:18px;padding-right:18px}.help-intro{padding:18px}.package{padding:20px}.button{font-size:14px;min-height:46px;padding:10px 17px}.meta{gap:7px}.meta span{font-size:12px}.mobile-dock{position:fixed;bottom:0;left:0;right:0;z-index:20;display:flex;align-items:center;justify-content:center;gap:18px;padding:10px 18px calc(10px + env(safe-area-inset-bottom));background:#fffffff5;border-top:1px solid var(--line);box-shadow:0 -3px 20px #351b5709}.mobile-dock .button{flex:1;max-width:330px;min-height:44px}.mobile-dock>a:first-child{font-size:13px;white-space:nowrap;text-decoration:none}.lightbox{max-width:96vw}.lightbox-body{padding:7px}.help-image{width:220px}.site-footer{padding-bottom:110px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}