/* GO CHINA 2.0: light editorial shell, cinematic story windows. */
.st-choice .st-choice-thumb{width:72px;height:72px;flex:0 0 72px;border-radius:10px;object-fit:cover;object-position:center;}
.st-gallery{display:grid;gap:12px;margin:16px 0 28px;}
.st-memory-shot{padding:0;border:1px solid #d7e4eb;background:#fff;border-radius:14px;overflow:hidden;text-align:left;color:#294857;}
.st-memory-shot img{height:150px;object-fit:cover;}.st-memory-shot span{display:block;padding:12px 14px;font-size:13px;font-weight:600;line-height:1.7;}
.st-art-view{position:relative;background:#e9f2f6;border-radius:14px;overflow:hidden;min-height:170px;}.st-art-view img{height:auto;width:100%;object-fit:contain;}
.st-image-status{display:none;position:relative;z-index:2;background:#edf7fb;color:#294857;padding:16px;font-size:12px;line-height:1.7;}.st-art-failed>.st-image-status{display:block;}.st-image[hidden]{display:none!important;}
@media(max-width:360px){.st-choice .st-choice-thumb{width:58px;height:66px;flex-basis:58px;}.st-choice{gap:9px;}}
.st-envelope{display:block;width:100%;margin:20px 0 12px;min-height:64px;border:1px solid #d9bcc0;background:linear-gradient(120deg,#fff5f1,#fff);color:#8b3949;box-shadow:0 4px 20px #70424b09;text-align:center;}
.st-letter-seal{display:inline-block;border:1px solid #b3737a;color:#913a4b;padding:8px 12px;font-size:12px;letter-spacing:.15em;margin:12px 0;}
.st-letter-body{line-height:2!important;font-size:15px!important;color:#294857!important;}
.st-screen{padding-top:4px!important;color:#16394b;}
.st-screen button{font-family:inherit;cursor:pointer;touch-action:manipulation;}
.st-screen button:focus-visible,.st-button:focus-visible{outline:3px solid #058ac0;outline-offset:4px;}
.st-button{border:0;background:transparent;color:#195771;font-size:14px;font-weight:650;min-height:44px;padding:12px 14px;border-radius:12px;}
.st-landing{position:relative;isolation:isolate;border-radius:24px;overflow:hidden;min-height:540px;height:min(69svh,640px);background:#204154;color:white;}
.st-image{display:block;width:100%;height:100%;object-fit:cover;}
.st-landing>.st-image{position:absolute;inset:0;z-index:-2;object-position:48% center;animation:st-arrive 1.2s ease-out both;}
.st-cover-shade{position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(12,32,40,.15),rgba(12,32,40,.04) 30%,rgba(8,24,34,.9) 100%);}
.st-cover-top{display:flex;justify-content:space-between;padding:22px 20px;font:10px/1.5 monospace;letter-spacing:.1em;}
.st-cover-copy{position:absolute;bottom:24px;left:24px;right:24px;}
.st-eyebrow{font-size:10px;letter-spacing:.15em;font-weight:700;text-transform:uppercase;color:#257191;}
.st-cover-copy>.st-eyebrow{color:#bbebf9;}
.st-screen .st-cover-copy h1{font-size:32px;line-height:1.45;letter-spacing:.03em;font-weight:650;color:white;margin:12px 0;}
.st-screen .st-cover-copy p{color:#edf4f5;font-size:14px;line-height:1.9;margin:0 0 24px;}
.st-start{display:flex;align-items:center;gap:12px;width:100%;min-height:76px;padding:14px 18px;background:#ddf5ff;color:#124f69;box-shadow:0 0 40px #81daff26;text-align:left;border:1px solid #fff9;}
.st-start strong{font-size:20px;letter-spacing:.05em;}.st-start>span:last-child{margin-left:auto;font-size:11px;}.st-portal{font-size:28px;color:#bb4c57;}
.st-under{text-align:center;display:grid;justify-items:center;gap:6px;padding:18px 6px 0;font-size:11px;color:#496570;line-height:1.7;}
.st-about{margin:18px 0 22px;padding:8px 0;color:#526b77;font-size:12px;line-height:1.8;}.st-about summary{cursor:pointer;min-height:36px;display:list-item;}.st-about p{font-size:12px!important;line-height:1.8!important;color:#526b77!important;}.st-about label{display:block;}
.st-toolbar{display:flex;align-items:center;justify-content:space-between;gap:6px;margin:4px 0 12px;font-size:11px;color:#587280;}.st-text{padding:8px 2px;background:none;font-size:12px;}
.st-screen .st-heading{font-size:27px;line-height:1.4;margin:18px 0 10px;}.st-muted{font-size:13px!important;line-height:1.8!important;color:#5c737c!important;}.st-center{text-align:center;}
.st-role-list{display:grid;gap:14px;margin-top:24px;}.st-role{display:flex;align-items:flex-start;gap:14px;width:100%;padding:22px 18px;background:linear-gradient(120deg,#edf8fc,#fff);border:1px solid #cce2ea;border-radius:18px;color:#183e50;text-align:left;}.st-role:nth-child(2){background:linear-gradient(120deg,#fcf0ec,#fff);border-color:#ead7d2;}.st-role:nth-child(3){background:linear-gradient(120deg,#eef3f7,#fff);}.st-role-number{font:15px monospace;color:#5f8495;}.st-role>div{flex:1;}.st-role small{font-size:11px;letter-spacing:.04em;}.st-role h2{font-size:19px!important;margin:6px 0 8px!important;}.st-role p{font-size:12px!important;margin:0 0 12px!important;color:#587280!important;}.st-role strong{font-size:13px;line-height:1.8;font-weight:500;}
.st-progress{display:flex;gap:5px;margin-bottom:14px;}.st-progress span{height:3px;background:#e4edf0;flex:1;border-radius:3px;}.st-progress .done{background:#208ab2;}
.st-scene{height:270px;border-radius:18px;position:relative;overflow:hidden;background:#213d4d;isolation:isolate;}.st-scene>.st-image{position:absolute;z-index:-2;animation:st-arrive .6s ease-out;}.st-scene:after{content:'';position:absolute;inset:0;background:linear-gradient(transparent 25%,#071f30cc);z-index:-1;}.st-scene-title{position:absolute;bottom:20px;left:20px;right:18px;color:white;}.st-scene-title small{font-size:11px;letter-spacing:.08em;color:#dcecf4;}.st-scene-title h1{font-size:23px!important;line-height:1.5!important;color:white!important;margin:8px 0 0!important;font-weight:600!important;}
.st-narrative{padding:20px 2px 0;}.st-narrative>p{font-size:15px;line-height:1.95;color:#294857;margin:12px 0;}.st-mission{border-left:2px solid #ab5360;padding-left:12px;font-size:14px;line-height:1.8;margin-top:10px;}.st-feedback{background:#edf8fc;padding:10px 12px;border-radius:10px;font-size:12px;color:#21647e;margin:16px 0;}
.st-choices{display:grid;gap:10px;margin-top:22px;}.st-choice{background:#fff;border:1px solid #d7e4eb;border-radius:14px;padding:16px 13px;display:flex;align-items:center;gap:12px;width:100%;text-align:left;color:#153d50;min-height:78px;transition:background .15s,transform .15s;}.st-choice>span{font:11px monospace;color:#75909d;}.st-choice>div{flex:1;}.st-choice strong{display:block;font-size:14px;line-height:1.6;font-weight:650;}.st-choice small{display:block;font-size:11px;line-height:1.7;color:#5b7380;margin-top:3px;}.st-choice b{font-weight:400;color:#217b9d;}.st-choice:hover,.st-role:hover{background:#eaf7fc;border-color:#8ccce3;}.st-choice:active{transform:scale(.985);}
.st-primary{width:100%;display:block;background:#155c78;color:white;min-height:54px;margin:20px 0 8px;border-radius:14px;font-size:15px;letter-spacing:.02em;}
.st-memory-cover{height:320px;position:relative;border-radius:20px;overflow:hidden;background:#143b4e;}.st-memory-cover>img{position:absolute;filter:brightness(.65);}.st-memory-cover>div{position:absolute;left:22px;bottom:24px;right:20px;color:white;}.st-memory-cover h1{font-size:27px!important;line-height:1.5!important;color:white!important;margin:12px 0!important;}.st-memory-cover p{color:#e3eff3!important;font-size:12px!important;}.st-memory-cover small{font-size:11px;letter-spacing:.1em;}
.st-letter{padding:4px 4px 20px;border-bottom:1px solid #dae6eb;}.st-map{margin:16px 0;padding:20px;border:1px solid #dbe7ec;border-radius:16px;background:#f5fafc;}.st-map>small{font-size:11px;color:#46758b;line-height:1.7;display:block;}.st-map h3{font-size:18px!important;margin:8px 0!important;}.st-map p{font-size:13px!important;line-height:1.8!important;color:#536e7b!important;}.st-map strong{font-size:13px;}.st-trip-context{background:#edf7fb;border:1px solid #d4e6ed;border-radius:14px;padding:16px;margin:10px 0 20px;}.st-trip-context p{font-size:13px!important;line-height:1.8!important;}.st-trip-context small{color:#526d7b;}
@keyframes st-arrive{from{opacity:.4;transform:scale(1.035)}to{opacity:1;transform:scale(1)}}
@media(max-width:360px){.st-landing{min-height:490px}.st-cover-copy{left:18px;right:18px}.st-screen .st-cover-copy h1{font-size:27px}.st-start{padding:12px}.st-start>span:last-child{font-size:10px}.st-role{padding:18px 12px;gap:10px}.st-scene{height:235px}.st-scene-title h1{font-size:21px!important}}
.st-clue-button{display:block;width:100%;text-align:left;border:1px solid #b9dce9;background:#eef9fc;color:#175b75;border-radius:12px;padding:14px;margin:12px 0;font-size:13px;font-weight:650;line-height:1.6;min-height:48px}.st-clue-button:hover{background:#dff3fa}.st-clue-list{display:grid;gap:4px}.st-clue-button:focus-visible{outline:3px solid #248db5;outline-offset:2px}
@media(prefers-reduced-motion:reduce){.st-image{animation:none!important}.st-choice{transition:none}}