*{box-sizing:border-box}body{margin:0;min-height:100vh;font-family:Arial,"Microsoft YaHei",sans-serif;background:linear-gradient(135deg,#00a887,#59ad89);color:#fff}button,a{-webkit-tap-highlight-color:transparent}a{text-decoration:none}button{font:inherit;cursor:pointer}.background{position:fixed;inset:0;overflow:hidden;pointer-events:none;z-index:-1}.square{position:absolute;background:#ffffff29;transform:rotate(18deg)}.square:nth-child(1){width:50px;height:50px;left:8%;top:37%}.square:nth-child(2){width:105px;height:105px;left:18%;top:46%;transform:rotate(11deg)}.square:nth-child(3){width:52px;height:52px;left:23%;top:47%;transform:rotate(43deg)}.square:nth-child(4){width:220px;height:220px;left:31%;top:43%;transform:rotate(48deg)}.square:nth-child(5){width:50px;height:50px;left:70%;top:37%}.square:nth-child(6){width:160px;height:160px;right:12%;top:34%;transform:rotate(-28deg)}.square:nth-child(7){width:220px;height:220px;right:-1%;bottom:12%;transform:rotate(48deg)}main{width:100%;padding:22px 18px 36px;text-align:center}h1{font-size:48px;font-weight:300;margin:0 0 20px;line-height:1.3}.panel{max-width:550px;margin:auto;background:#fff;border-radius:6px;padding:33px;color:#333}.green{display:flex;align-items:center;justify-content:center;width:100%;min-height:62px;padding:13px 12px;border:0;border-radius:6px;background:#00aa87;color:white;font-size:27px;line-height:1.45;text-align:center}.bookmark{min-height:71px;font-weight:400}.offer{display:block;color:#ff4545;font-size:22px;font-style:italic;margin:25px 0 20px;line-height:1.5}.entry{font-weight:600}.line{border:0;border-top:1px solid #e6e6e6;margin:19px 0}.tutorials{display:flex;justify-content:space-around;margin-top:7px}.tutorial{border:0;background:none;color:#999;font-size:17px;line-height:1.5;padding:0 8px;display:flex;flex-direction:column;align-items:center;gap:6px}.tutorial .svg-icon{width:68px;height:74px;fill:#333}.tutorial span{white-space:nowrap}.pc{font-size:17px;color:#888;margin:7px 0 0;line-height:1.4}.shared{font-weight:400;min-height:71px}.notice{font-size:19px;font-weight:bold;line-height:1.6;margin:25px auto 0;max-width:850px}.green:hover{background:#009e7d}button:focus-visible,a:focus-visible{outline:3px solid #184d40;outline-offset:3px}@media(max-width:600px){main{padding:22px 16px 36px}h1{font-size:35px;margin-bottom:20px}.panel{padding:22px 18px}.green{font-size:21px;min-height:59px;padding:14px 8px}.bookmark{font-size:20px;min-height:64px}.offer{font-size:17px;margin:22px 0 19px}.line{margin:17px 0}.tutorial{font-size:14px;padding:0 3px}.tutorial .svg-icon{width:55px;height:62px}.pc{font-size:13px;margin-top:10px}.shared{font-size:20px;min-height:64px}.notice{font-size:15px;margin-top:22px;max-width:400px}.square:nth-child(4){left:-20%;top:50%}}@media(max-width:350px){main{padding-inline:10px}.panel{padding:20px 14px}.green{font-size:18px}.bookmark,.shared{font-size:18px}.offer{font-size:15px}.tutorial{font-size:13px}}

body{isolation:isolate;background:linear-gradient(to bottom right,#01a982 0,#60ae80 100%)}
.background{z-index:-1}
.square{width:40px;height:40px;top:auto!important;right:auto!important;bottom:-160px!important;background:hsla(0,0%,100%,.15);transform:none;animation:square 25s linear infinite}
.square:nth-child(1){left:10%;width:40px;height:40px}
.square:nth-child(2){left:20%;width:80px;height:80px;animation-delay:2s;animation-duration:17s}
.square:nth-child(3){left:25%;width:40px;height:40px;animation-delay:4s}
.square:nth-child(4){left:40%;width:60px;height:60px;animation-duration:22s;background:hsla(0,0%,100%,.25)}
.square:nth-child(5){left:70%;width:40px;height:40px}
.square:nth-child(6){left:80%;width:120px;height:120px;animation-delay:3s;background:hsla(0,0%,100%,.2)}
.square:nth-child(7){left:32%;width:160px;height:160px;animation-delay:7s}
.square:nth-child(8){left:55%;width:20px;height:20px;animation-delay:15s;animation-duration:40s}
.square:nth-child(9){left:25%;width:10px;height:10px;animation-delay:2s;animation-duration:40s;background:hsla(0,0%,100%,.3)}
.square:nth-child(10){left:90%;width:160px;height:160px;animation-delay:11s}
.square:nth-child(1){animation-delay:-8s}
.square:nth-child(2){animation-delay:-5s}
.square:nth-child(3){animation-delay:-12s}
.square:nth-child(4){animation-delay:-7s}
.square:nth-child(5){animation-delay:-16s}
.square:nth-child(6){animation-delay:-10s}
.square:nth-child(7){animation-delay:-18s}
.square:nth-child(8){animation-delay:-22s}
.square:nth-child(9){animation-delay:-30s}
.square:nth-child(10){animation-delay:-14s}
@keyframes square{from{transform:translateY(0)}to{transform:translateY(calc(-100vh - 320px)) rotate(600deg)}}
.green{background:#02a982;font-weight:300}
.entry{font-weight:400}
h1{margin-bottom:10px}
.panel{max-width:430px;border-radius:5px;padding:25.6px}
.tutorial{color:#666;font-size:14px}
.tutorial .svg-icon{width:56px;height:56px}
.pc{font-size:14px;color:#666;margin-top:2px}
.notice{margin-top:20px;font-weight:500}
@media(min-width:601px){main{padding-top:20px}h1{font-size:40px}.green{font-size:22px;min-height:0;padding:12px 0;border-radius:5px}.bookmark,.shared{min-height:0}.offer{font-size:18px;margin:22px 0 16px}.line{margin:16px 0}.tutorial{gap:2px}.notice{font-size:16px}}
@media(max-width:600px){.panel{padding:22px 18px}.green{font-size:18px}.bookmark,.shared{font-size:18px}h1{font-size:32px}.notice{font-size:14px}}
@media(max-width:480px){h1{font-size:28px}}
@media(prefers-reduced-motion:reduce){.square{animation:none}}

.locked{background:linear-gradient(135deg,#FFAFBD,#ffc3a0)}
.locked main,.locked .background{display:none}
.gate{position:fixed;inset:0;z-index:9999;background:linear-gradient(135deg,#FFAFBD,#ffc3a0);display:flex;align-items:center;justify-content:center;padding:20px;text-align:center;font-family:Arial,sans-serif}
.gate[hidden]{display:none}
.gate form{display:flex;flex-direction:column;align-items:center;width:100%}
.gate h2{color:red;font-size:20px;font-weight:300;line-height:normal;margin:0 0 10px;letter-spacing:normal}
.gate label{display:block;color:red;font-size:16px;line-height:normal;margin-bottom:10px}
.gate input{width:222px;max-width:100%;padding:10px;font:16px Arial,sans-serif;color:#333;background:white;border:1px solid #FFAFBD;border-radius:25px;margin-bottom:20px;box-shadow:0 10px 30px rgba(0,0,0,.2);outline:none}
.gate input:focus{border-color:#FF8C94}
.gate input::placeholder{color:#999}
.gate button{background:#B04E35;box-shadow:0 10px 30px rgba(0,0,0,.2);color:white;padding:10px 20px;border:0;border-radius:10px;cursor:pointer;font:16px Arial,sans-serif}
.gate button:hover{background:#a04630}
#gate-error{color:red;font-size:14px;margin:0 0 10px}
#gate-error:empty{display:none}
/* Desktop content at 95%; background and password screen keep their size. */
@media(min-width:601px){main{zoom:.95}}

.panel{padding:24px;max-width:460px;text-align:left;border-radius:10px}
.bookmark{display:block;width:100%;min-height:0;background:#edfaf5;color:#087c61;border:1px solid #caeade;border-radius:7px;padding:12px 8px;font-size:15px;line-height:1.5;text-align:center}
.site-section{padding:22px 0}
.section-title{color:#243e35;font-size:18px;line-height:1.4;font-weight:600;margin:0 0 12px}
.entry{font-size:22px;min-height:54px;border-radius:7px;display:flex;justify-content:space-between;padding:13px 17px;font-weight:500}
.entry span{font-size:12px;font-weight:400}
.backup-link{display:block;text-align:center;color:#0a896a;font-size:14px;padding:13px 0 0}
.install-section{border-top:1px solid #e3ece7;padding:21px 0 0}
.install-section .section-title{margin-bottom:5px}
.section-hint{font-size:13px;line-height:1.6;color:#75857e;margin:0 0 14px}
.download-button{display:flex;align-items:center;gap:13px;background:#ffcc4d;color:#503500;border:1px solid #f2bb32;border-radius:9px;padding:16px;box-shadow:0 4px 0 #e7ab21;transition:background .15s}
.download-button:hover{background:#ffda73}
.download-symbol{font-size:34px;line-height:1;font-weight:600}
.download-button strong{display:block;font-size:23px;font-weight:700;line-height:1.3}
.download-button small{display:block;font-size:12px;margin-top:4px}
.download-next{margin-left:auto;font-size:24px}
.tutorial-label{margin:22px 0 12px;color:#53665d;font-size:13px;text-align:center}
.tutorials{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin:0}
.tutorial{min-width:0;display:flex;align-items:center;gap:3px;padding:12px 2px 10px;border:1px solid #dfeae4;border-radius:8px;background:#f7faf8;color:#354d42;font-size:12px;text-align:center;line-height:1.5}
.tutorial:hover{background:#eaf7f0;border-color:#75bea3}
.tutorial .svg-icon{width:34px;height:38px;fill:currentColor;margin-bottom:5px}
.tutorial strong{font-size:12px;font-weight:600;white-space:nowrap}
.tutorial small{font-size:10px;color:#819087;white-space:nowrap}
.tutorial .watch{font-size:11px;color:#07815e;margin-top:5px;white-space:nowrap}
.extras{margin-top:22px;padding-top:16px;border-top:1px solid #e3ece7}
.account-link{display:flex;justify-content:space-between;color:#527164;font-size:13px;padding:0 0 4px}
.offer{font-size:12px;font-style:normal;margin:13px 0 0;text-align:center;color:#e8614c}
.notice{font-size:14px;max-width:650px}
@media(max-width:600px){.panel{padding:20px 16px}.section-title{font-size:18px}.entry{font-size:21px;padding:13px 14px}.bookmark{font-size:14px}.tutorials{gap:7px}.tutorial{min-height:100px}.notice{font-size:13px}}
@media(max-width:350px){.tutorials{grid-template-columns:repeat(2,minmax(0,1fr))}.tutorial strong{font-size:14px}.tutorial small{font-size:11px}}
.gate input[type="hidden"]{display:none}

.offer.offer-banner{display:block;background:none;border:0;border-radius:0;box-shadow:none;color:#e53e32;margin:0 0 13px;padding:0;font-size:17px;font-style:normal;font-weight:500;line-height:1.5;text-align:center}
.offer-banner strong{font-size:inherit;font-weight:750}
.offer.offer-banner:hover{background:none;color:#bd241b;text-decoration:underline;text-underline-offset:3px}
@media(max-width:350px){.offer.offer-banner{font-size:15px}}

.bookmark{padding:6px 8px;font-size:13px;line-height:1.5;border-radius:5px;min-height:0}
.offer.offer-banner{margin:10px 0 0}
.site-section{padding-top:17px}
@media(max-width:600px){.bookmark{padding:6px 8px;font-size:13px}}

.benefits{margin:10px 0 0;text-align:left;line-height:1.6}
.benefits-title{margin:0 0 4px;text-align:center;font-size:15px;font-weight:600;color:#db3e48}
.benefits a{display:block;padding:3px 0;color:#e53e32;font-size:13px;overflow-wrap:anywhere}
.benefits a:hover{text-decoration:underline;text-underline-offset:3px}

.site-buttons{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.site-buttons .entry{min-height:0;padding:9px 12px;font-size:18px;line-height:1.5;border-radius:6px;gap:6px}
.site-buttons .entry span{font-size:17px}
.site-buttons .entry-backup{background:#eaf8f2;color:#078363;border:1px solid #a8d9c7}
.site-buttons .entry-backup:hover{background:#d9f1e6}
.download-button{padding:10px 14px;gap:10px;box-shadow:0 2px 0 #e7ab21;border-radius:7px}
.download-symbol{font-size:26px}
.download-button strong{font-size:21px;line-height:1.3}
.download-button small{font-size:11px;margin-top:1px}
.download-next{font-size:22px}
@media(max-width:350px){.site-buttons{gap:7px}.site-buttons .entry{font-size:15px;padding:9px 8px}}

.tutorial-label{margin:23px 0 10px;padding-top:13px;border-top:1px dashed #dce6df;font-size:12px;color:#6b7d73;text-align:left}
.tutorials{gap:8px}
.tutorials .tutorial{border:0;border-radius:0;background:transparent;min-height:0;padding:5px 0;gap:4px;color:#65766d}
.tutorials .tutorial:hover{background:transparent;color:#078363}
.tutorials .tutorial .svg-icon{width:27px;height:30px;margin-bottom:2px;opacity:.85}
.tutorials .tutorial strong{font-size:12px;font-weight:500}
.tutorials .tutorial .watch{font-size:11px;margin-top:1px;color:#078363;text-decoration:underline;text-underline-offset:3px}

/* Phone layout: compact sections with readable, distinct tap targets. */
main{padding-bottom:max(28px,env(safe-area-inset-bottom))}
.site-buttons .entry{min-width:0;min-height:44px;font-size:17px;white-space:nowrap}
.download-button>span:nth-child(2){min-width:0}
.tutorials{grid-template-columns:repeat(4,minmax(0,1fr))}
.tutorials .tutorial{min-width:0;min-height:76px}
.tutorials .tutorial strong{font-size:13px}
.tutorials .tutorial .watch{font-size:12px}
.account-link{min-height:40px;align-items:center}
@media(max-width:600px){
main{padding-top:16px;padding-inline:12px}
h1{font-size:28px;margin-bottom:12px}
.panel{padding:16px 14px}
.benefits a{line-height:1.6}
.site-section{padding:15px 0 17px}
.section-title{font-size:17px;margin-bottom:10px}
.install-section{padding-top:17px}
.section-hint{margin-bottom:12px}
.tutorial-label{margin-top:18px;padding-top:11px;margin-bottom:7px}
.tutorials{gap:4px}
.extras{margin-top:15px;padding-top:9px}
.notice{margin-top:16px}
}
@media(max-width:350px){.panel{padding-inline:12px}.site-buttons .entry{font-size:16px}.benefits a{font-size:12px}.tutorials .tutorial strong{font-size:12px}.tutorials .tutorial .watch{font-size:11px}}

.download-modal[hidden]{display:none}
.download-modal{position:fixed;inset:0;z-index:10000;display:flex;align-items:center;justify-content:center;padding:24px;background:rgba(12,47,36,.55);backdrop-filter:blur(4px)}
.download-dialog{width:100%;max-width:440px;max-height:calc(100vh - 48px);max-height:calc(100dvh - 48px);overflow-y:auto;overscroll-behavior:contain;background:#fff;border-radius:18px;padding:24px;box-shadow:0 20px 65px #07372940;color:#243e35;text-align:left}
.download-dialog-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.download-dialog-head h2{margin:0;font-size:25px;font-weight:650}
.modal-close{display:grid;place-items:center;width:40px;height:40px;flex-shrink:0;border:0;border-radius:50%;background:#edf6f1;color:#527164;font-size:27px;line-height:1}
.download-intro{font-size:13px;color:#74877c;margin:2px 0 18px}
.download-list{background:#f3f8f5;border:1px solid #deebe3;border-radius:13px;padding:6px 14px}
.download-row{display:flex;align-items:center;gap:14px;padding:14px 0;min-height:72px;font-size:16px;font-weight:500;line-height:1.5}
.download-row+.download-row{border-top:1px solid #dce9e0}
.download-row:hover{color:#008462}
.device-icon{display:grid;place-items:center;flex:0 0 44px;width:44px;height:44px;background:#fff;border:1px solid #dfebe3;border-radius:11px;color:#087d5e;box-shadow:0 3px 7px #234e3610}
.device-icon .svg-icon{width:27px;height:30px;fill:currentColor}
.ios-word{font-size:22px;font-weight:300;letter-spacing:-1px}
.row-arrow{margin-left:auto;color:#6b9480;font-size:18px;flex-shrink:0}
.download-footer{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-top:16px;font-size:13px;color:#078363}
.download-footer a,.modal-return{min-height:44px;display:flex;align-items:center}
.modal-return{background:none;border:0;padding:0;color:#627a6d;font-size:13px}
@media(max-width:600px){.download-modal{align-items:flex-end;padding:12px 10px 0}.download-dialog{border-radius:18px 18px 0 0;padding:18px 18px max(12px,env(safe-area-inset-bottom));max-height:calc(100vh - 24px);max-height:calc(100dvh - 24px)}.download-row{font-size:15px;padding:12px 0;gap:12px;min-height:68px}.download-intro{margin-bottom:14px}.download-dialog-head h2{font-size:23px}}
@media(max-width:350px){.download-dialog{padding-inline:14px}.download-list{padding-inline:10px}.download-row{font-size:13px;gap:9px}.device-icon{flex-basis:38px;width:38px;height:40px}}

.download-footer a{color:#e53e32;font-weight:600}

.install-section .tutorial-label{border-top:0;padding-top:0;margin:10px 0 9px;color:#53665d}
.download-step{margin:18px 0 10px;padding-top:14px;border-top:1px dashed #dce6df;color:#53665d;font-size:12px;line-height:1.6}

.account-link{display:flex;align-items:center;gap:10px;min-height:48px;padding:9px 12px;background:#eff8f3;border:1px solid #d9e9df;border-radius:7px;color:#35634e;font-size:14px}
.account-icon{display:grid;place-items:center;flex:0 0 28px;width:28px;height:28px;border-radius:7px;background:#dfefe5;color:#367455}
.account-icon .svg-icon{width:17px;height:20px;fill:currentColor}
.account-title{font-weight:500;line-height:1.5}
.account-arrow{margin-left:auto;flex-shrink:0;color:#54836b;font-size:18px}
.account-link:hover{background:#e3f3e9;border-color:#a9cfb8}
@media(max-width:350px){.account-link{font-size:13px;padding-inline:9px;gap:8px}}

.download-row-text{min-width:0;flex:1}
.direct-download-tip{display:block;margin-top:5px;color:#d94732;font-size:12px;font-weight:400;line-height:1.6;white-space:normal;overflow-wrap:anywhere}
.download-row-text>span{display:block}
.site-support{max-width:650px;margin:20px auto 0;padding:0 16px 76px;display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:8px 12px;color:#fff;font-size:13px;line-height:1.6;text-align:center}.site-support button{min-height:40px;padding:6px 13px;border:1px solid #ffffff80;border-radius:7px;background:#ffffffed;color:#087d5e;cursor:pointer;font:inherit;font-weight:600}.site-support button:hover{background:#e5f5eb}.social-badges{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin:12px 0 16px}.social-badge{display:inline-flex;align-items:center;gap:7px;border:1px solid #f0dfe2;border-radius:7px;padding:4px 8px;background:#fff8f9;font-size:11px;line-height:1.5;color:#a66570}.social-mark{display:inline-block;background:#ff2442;color:#fff;border-radius:5px;padding:3px 5px;font-size:11px;font-weight:750;line-height:1.3;letter-spacing:-.5px}.social-weibo{background:#fff9ef;border-color:#efdfc9;color:#bc7127}.social-weibo .svg-icon{width:21px;height:21px;color:#e87036}.benefits-title .xhs-mini{display:inline-block;vertical-align:middle;background:#ff2442;color:white;border-radius:4px;font-size:10px;line-height:1.5;padding:2px 4px;margin-right:6px;letter-spacing:-.4px}.activity-links a{display:flex;align-items:baseline;gap:6px}.activity-number{flex-shrink:0;display:inline-block;font-style:normal;background:#ffe9e4;color:#ce4937;border-radius:4px;padding:1px 5px;font-size:11px;font-weight:600}
.internet-strip{display:flex;align-items:center;justify-content:center;gap:12px;margin:0 0 12px;line-height:1.5}
.internet-caption{font-size:13px;font-weight:500;color:#5a7867;white-space:nowrap}
.internet-icons{display:flex;align-items:center;gap:9px}
.app-mark{display:inline-flex;align-items:center;justify-content:center;width:19px;height:19px;flex-shrink:0}
.app-mark .svg-icon{display:block;width:100%;height:100%}
.app-mark.instagram{color:#d84483}
@media(max-width:350px){.internet-strip{gap:9px}.internet-caption{font-size:12px}.internet-icons{gap:7px}.app-mark{width:17px;height:17px}}
.internet-strip{align-items:center;gap:10px}.internet-icons{flex-wrap:wrap;justify-content:center;gap:9px;min-width:0}.internet-caption{flex-shrink:0}@media(max-width:380px){.internet-strip{gap:8px}.internet-icons{gap:7px}.app-mark{width:17px;height:17px}}

.svg-icon{object-fit:contain}

.download-dialog{min-width:0}.download-row>span:not(.device-icon):not(.row-arrow){min-width:0;overflow-wrap:anywhere}.download-modal{overflow-y:auto}

/* Keep phone text sizing and long content within the available width. */
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}.wrap,.panel,.notice-panel,.step,.heading>div{min-width:0}figure,iframe,video{max-width:100%}.activity-copy,.introduction,.step,.warning{overflow-wrap:break-word}.site-support button{max-width:100%}