/* 2026-09-19：已确认明亮版官网样式，依据“生成war包”提取。 */

:root{--green:#2f6e62;--ink:#2f2a24;--muted:#6c7971;--sage:#afc1bd;--pale:#e2ebe3;--paper:#f8f3ea;--line:#d5ded4;--white:#fffdf8}
*{box-sizing:border-box}body{margin:0;color:var(--ink);background:var(--paper);font-family:"PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}h1,h2,h3,p{margin:0}h1,h2,.serif{font-family:"Songti SC","STSong",serif}h2{font-size:42px;line-height:1.4;letter-spacing:2px;font-weight:600}p{line-height:1.85}button,a{ -webkit-tap-highlight-color:transparent} .wrap{max-width:1200px;margin:auto;padding:0 40px}.muted{color:var(--muted)}.eyebrow{font-size:12px;letter-spacing:3px;color:var(--green);margin-bottom:18px}.logo{width:44px;height:44px;overflow:hidden;border-radius:12px;display:inline-block;background:#fff;flex-shrink:0}.logo img{width:100%;height:100%;object-fit:cover;transform:scale(1.17)}.brand{display:flex;gap:12px;align-items:center}.brand b{font-size:24px;font-family:"Songti SC",serif;letter-spacing:3px}.brand small{display:block;font-size:10px;letter-spacing:3px;color:var(--muted);margin-top:3px}.nav{height:90px;display:flex;align-items:center;justify-content:space-between}.navlinks{display:flex;gap:38px;align-items:center;font-size:14px}.navlinks .active{color:var(--green)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:12px;border:1px solid var(--green);background:var(--green);color:white;min-height:52px;padding:0 26px;border-radius:8px;font-weight:500;font-size:15px;transition:background .2s}.btn:hover{background:#23574c}.btn.secondary{background:transparent;color:var(--green)}.btn.small{min-height:40px;padding:0 20px;font-size:13px}.buttons{display:flex;gap:14px;flex-wrap:wrap}.arrow{margin-left:15px}.iosbar{background:#fffdf8;border-bottom:1px solid var(--line);padding:calc(12px + env(safe-area-inset-top, 0px)) 20px 12px;display:flex;align-items:center;gap:10px;position:sticky;top:0;z-index:20;box-shadow:0 3px 14px #2f6e6208}.iosbar .logo{width:42px;height:42px}.iosbar b{font-size:14px}.iosbar small{font-size:10px;display:block;color:var(--muted);margin-top:4px}.iosbar .btn{margin-left:auto;min-height:32px;border-radius:20px;font-size:13px;padding:0 19px}.hero{position:relative;isolation:isolate;background:#e2ebe3;overflow:hidden}.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#e2ebe3 7%,#e2ebe3d9 38%,#e2ebe30a 80%),none center/cover;z-index:-2}.hero .wrap{min-height:660px;display:grid;grid-template-columns:1.1fr 1fr;align-items:center;gap:45px}.hero-copy{padding:65px 0}.hero h1{font-size:85px;font-weight:500;letter-spacing:12px;line-height:1.3;color:#214e43;margin:12px 0 18px}.hero .tagline{font-size:30px;letter-spacing:4px;color:#395f53;margin-bottom:25px}.hero .lead{font-size:15px;color:#586c61;max-width:350px;margin-bottom:34px}.hero .hint{font-size:11px;color:#65796f;margin-top:15px}.hero-art{display:flex;align-items:center;justify-content:center;position:relative;padding:40px 0}.vertical{writing-mode:vertical-rl;letter-spacing:8px;color:#3a65538c;font-family:"Songti SC",serif;font-size:19px;position:absolute;right:0;top:80px}.phone{width:276px;padding:8px;background:#f8f9f4;border:1px solid #c7d5c9;border-radius:37px;box-shadow:0 24px 55px #284c3524;transform:rotate(4deg)}.phone-inner{border-radius:30px;overflow:hidden;background:#e2ebe3;height:565px;padding:17px 14px;position:relative}.phone-top{display:flex;align-items:center;justify-content:space-between;font-size:10px;font-weight:600;padding:0 10px 17px}.phone-head{display:flex;justify-content:space-between;font-size:12px;padding:4px 0 17px}.modes{display:flex;justify-content:space-between;align-items:center;font-size:9px;color:#819286;margin-bottom:15px}.modes 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var(--line);padding:29px 0;background:#f3f3e9}.introline .wrap{display:flex;justify-content:space-between;font-size:14px;color:#55685c}.introline b{font-weight:500;color:var(--green);margin-right:9px}.section{padding:88px 0}.sectionhead{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:47px}.sectionhead p{font-size:14px;color:var(--muted);max-width:310px}.journey{display:grid;grid-template-columns:repeat(5,1fr);gap:22px}.step{border-top:1px solid #aebfb1;padding-top:24px}.step .number{font-family:Georgia,serif;font-size:36px;color:#8da997;font-style:italic}.step h3{font-size:18px;font-weight:500;margin:17px 0 11px}.step p{font-size:13px;color:var(--muted)}.features{background:#e2ebe3}.featuregrid{display:grid;grid-template-columns:1fr 1fr;gap:100px;align-items:center}.review-demo{background:#f8f3ea;padding:30px;border-radius:18px;box-shadow:0 12px 40px #35593d0a}.review-demo h3{font-size:17px;display:flex;justify-content:space-between;margin-bottom:22px}.review-demo h3 span{font-size:11px;color:var(--muted);font-weight:400}.review-poem{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding:20px 0}.review-poem b{font-family:"Songti SC",serif;font-size:22px;letter-spacing:2px}.review-poem small{display:block;color:var(--muted);font-size:11px;margin-top:7px}.pill{background:#e2ebe3;color:var(--green);padding:6px 12px;font-size:11px;border-radius:30px}.timeline{display:flex;justify-content:space-between;padding:10px 0 19px;position:relative}.timeline:before{content:"";position:absolute;top:22px;left:22px;right:22px;height:1px;background:#b8cabc}.timeline span{z-index:1;text-align:center;font-size:10px;color:#778b7b}.timeline i{display:block;border:1px solid #aec3b3;border-radius:50%;background:#f8f3ea;width:25px;height:25px;line-height:23px;font-style:normal;margin:0 auto 10px}.timeline .done i{background:var(--green);color:#fff}.feature-copy h2{margin-bottom:23px}.feature-copy>p{font-size:14px;color:var(--muted);margin-bottom:28px}.feature-list{display:flex;gap:24px;border-top:1px solid #b9ccbf;padding-top:23px;font-size:13px;color:var(--green)}.download-teaser{display:flex;align-items:center;justify-content:space-between;gap:30px}.download-teaser h2{font-size:35px}.download-teaser p{font-size:14px;color:var(--muted);margin-top:14px}.footer{border-top:1px solid var(--line);padding:30px 0}.footer .wrap{display:flex;justify-content:space-between;align-items:center}.footer .brand b{font-size:18px}.footer .logo{width:32px;height:32px;border-radius:8px}.footer-links{display:flex;gap:24px;font-size:11px;color:var(--muted)}.footnote{font-size:10px;color:#8b9284;margin-top:15px}.download-hero{padding:54px 0 44px;background:var(--pale);text-align:center}.download-hero h1{font-size:50px;letter-spacing:4px;font-weight:500;margin-bottom:16px}.download-hero p{font-size:14px;color:var(--muted)}.download-hero .eyebrow{margin-bottom:15px}.download-main{padding:44px 0 65px}.release-layout{display:grid;grid-template-columns:1fr 380px;gap:52px;align-items:start}.release-head{display:flex;align-items:center;gap:18px;margin-bottom:26px}.release-head h2{font-family:"PingFang SC",sans-serif;font-size:27px;letter-spacing:0}.release-head .pill{font-size:10px}.release-meta{display:flex;gap:20px;font-size:12px;color:var(--muted);margin-bottom:26px}.sample-notice{display:inline-block;color:#8a7c66;background:#efe8da;border-radius:4px;font-size:10px;padding:6px 10px;margin-bottom:28px}.release-intro{font-family:"Songti SC",serif;font-size:25px;line-height:1.6;margin-bottom:27px;color:#3d5e4b}.release-item{border-top:1px solid var(--line);padding:20px 0;display:grid;grid-template-columns:30px 1fr;gap:10px}.release-item .no{font-family:Georgia,serif;color:#7f9987;font-style:italic;padding-top:2px}.release-item h3{font-size:16px;font-weight:500;margin-bottom:7px}.release-item p{font-size:13px;color:var(--muted)}.download-panel{background:#fffcf6;border:1px solid #dce3d7;border-radius:16px;padding:30px}.download-panel .brand{margin-bottom:24px}.download-panel .brand .logo{width:58px;height:58px}.download-panel .brand b{font-size:25px}.download-panel .brand small{letter-spacing:0;font-size:11px}.platforms{display:flex;border-bottom:1px solid var(--line);gap:28px;margin-bottom:24px}.platform-tab{border:0;background:none;padding:0 0 12px;font-size:14px;color:#7d897e}.platform-tab.current{border-bottom:2px solid var(--green);color:var(--green)}.specs{display:grid;grid-template-columns:1fr 1fr;gap:19px;margin-bottom:25px}.specs dt{font-size:10px;color:#8a9387;margin-bottom:7px}.specs dd{font-size:13px;margin:0}.download-panel .btn{width:100%;font-size:14px}.source{font-size:10px;text-align:center;color:#8b9285;margin-top:10px}.install-summary{border-top:1px solid var(--line);padding-top:22px;margin-top:24px}.install-summary h3{font-size:13px;font-weight:500;margin-bottom:12px}.install-summary ol{padding-left:19px;margin:0;color:var(--muted);font-size:11px;line-height:2.2}.install-summary .fine{font-size:10px;color:#8b9285;margin-top:13px;line-height:1.8}.help{margin-top:50px;padding-top:32px;border-top:1px solid var(--line)}.help h2{font-family:"PingFang SC",sans-serif;font-size:19px;letter-spacing:0;margin-bottom:25px}.help-grid{display:grid;grid-template-columns:1fr 1fr;gap:55px}.help h3{font-size:13px;font-weight:500;margin-bottom:8px}.help p{font-size:12px;color:var(--muted)}.download-mobile-action{display:none}.mobile-only{display:none}
@media(max-width:650px){.wrap{padding:0 24px}.nav{height:72px}.logo{width:36px;height:36px;border-radius:10px}.brand{gap:9px}.brand b{font-size:21px}.brand small{font-size:8px;letter-spacing:2px}.navlinks{gap:18px;font-size:12px}.navlinks .featurelink{display:none}.navlinks .btn{padding:0 13px;min-height:33px;font-size:11px}.hero .wrap{display:flex;flex-direction:column;gap:0;min-height:0}.hero-copy{padding:39px 0 0;width:100%}.eyebrow{font-size:10px;letter-spacing:2px;margin-bottom:12px}.hero h1{font-size:60px;letter-spacing:8px;margin:8px 0 11px}.hero .tagline{font-size:23px;letter-spacing:2px;margin-bottom:16px}.hero .lead{font-size:12px;max-width:295px;margin-bottom:23px}.hero .hint{font-size:10px;margin-top:12px}.btn{min-height:46px;padding:0 22px;font-size:13px}.buttons{gap:10px}.hero:before{background:linear-gradient(180deg,#e2ebe3 0%,#e2ebe3d9 32%,#e2ebe322 100%),none 63% bottom/auto 570px no-repeat}.hero-art{padding:33px 0 31px;width:100%}.phone{width:218px;border-radius:29px;padding:6px;transform:rotate(3deg)}.phone-inner{height:445px;border-radius:23px;padding:12px 11px}.phone-top{font-size:8px;padding-bottom:13px}.phone-head{font-size:10px;padding-bottom:13px}.modes{font-size:7px;margin-bottom:10px}.modes b{padding:5px}.poem{padding:18px 8px;border-radius:12px}.poem h3{font-size:21px}.poem .author{font-size:8px;margin:8px 0 14px}.poem .verse{font-size:15px;line-height:2.1;letter-spacing:2px}.poem .pinyin{font-size:6px}.player{padding-top:13px;gap:23px;font-size:14px}.play{width:33px;height:33px;font-size:11px}.phone-foot{font-size:8px;margin-top:12px}.vertical{font-size:14px;letter-spacing:5px;right:3px;top:70px}.art-caption{font-size:8px;margin-top:17px}.introline{padding:20px 0}.introline .wrap{gap:8px;font-size:10px;justify-content:space-between}.introline b{display:block;font-size:12px;margin:0 0 4px}.section{padding:49px 0}h2{font-size:29px;letter-spacing:1px}.sectionhead{display:block;margin-bottom:29px}.sectionhead p{font-size:12px;margin-top:13px;max-width:300px}.journey{grid-template-columns:1fr;gap:0}.step{display:grid;grid-template-columns:39px 1fr;padding:19px 0;column-gap:14px}.step .number{font-size:27px;grid-row:span 2}.step h3{font-size:16px;margin:0 0 6px}.step p{font-size:12px;line-height:1.7}.featuregrid{display:flex;flex-direction:column-reverse;gap:29px}.featuregrid>div{width:100%}.feature-copy h2{margin-bottom:17px}.feature-copy>p{font-size:12px;margin-bottom:22px}.feature-list{font-size:11px;gap:18px;padding-top:19px}.review-demo{width:100%;padding:22px;border-radius:13px}.review-demo h3{font-size:15px;margin-bottom:15px}.review-demo h3 span{font-size:9px}.review-poem{padding:17px 0}.review-poem b{font-size:19px}.review-poem small{font-size:10px}.timeline{padding-bottom:12px}.timeline span{font-size:9px}.download-teaser{display:block}.download-teaser h2{font-size:28px}.download-teaser p{font-size:12px;margin:12px 0 22px}.footer{padding:25px 0}.footer .wrap{display:block}.footer-links{margin-top:20px;gap:20px;font-size:10px}.footnote{font-size:9px;line-height:1.7}.download-hero{padding:34px 0 31px;text-align:left}.download-hero h1{font-size:34px;letter-spacing:2px;margin-bottom:13px}.download-hero p{font-size:12px;max-width:300px}.download-main{padding:30px 0 40px}.release-layout{display:flex;flex-direction:column;gap:28px}.release-head{gap:13px;margin-bottom:18px}.release-head h2{font-size:23px}.release-head .pill{font-size:9px;padding:5px 9px}.release-meta{font-size:10px;gap:15px;margin-bottom:17px}.sample-notice{font-size:9px;padding:6px 8px;margin-bottom:21px}.release-intro{font-size:23px;margin-bottom:22px}.release-item{padding:17px 0;grid-template-columns:24px 1fr;gap:9px}.release-item h3{font-size:14px;margin-bottom:6px}.release-item p{font-size:12px}.download-panel{width:100%;padding:24px;border-radius:13px}.download-panel .brand .logo{width:48px;height:48px}.download-panel .brand b{font-size:22px}.download-panel .brand small{font-size:10px}.specs{gap:18px}.download-panel .btn{font-size:13px}.help{margin-top:32px;padding-top:25px}.help h2{font-size:18px;margin-bottom:20px}.help-grid{grid-template-columns:1fr;gap:23px}.help h3{font-size:12px}.help p{font-size:11px}.mobile-only{display:block}.desktop-only{display:none}}

/* 明亮版以用户截图为视觉依据：薄荷底色、白色圆角卡片、深色文字、绿色节点。 */
:root{--green:#12a64d;--ink:#202b3b;--muted:#748299;--sage:#ddf8e8;--pale:#effcf5;--paper:#fff;--line:#e9eef0;--white:#fff;--light:#dcfce8;--learning:#4caf50}
body{background:white;color:var(--ink)}h1,h2,.serif{font-family:"PingFang SC","Microsoft YaHei",sans-serif}.brand b{font-family:"PingFang SC",sans-serif;font-weight:650;letter-spacing:1px}.brand small{letter-spacing:1px}.nav{height:86px}.navlinks .btn{background:#13a84e;border-color:#13a84e;border-radius:11px}.btn{background:#13a84e;border-color:#13a84e;border-radius:12px;font-weight:600;box-shadow:none}.btn:hover{background:#078c40}.btn.secondary{background:white;border-color:#cfe9d9;color:#2c6545}.eyebrow{color:#209d52;font-size:12px;font-weight:600;letter-spacing:2px}.hero{background:linear-gradient(125deg,#f3fdf8 5%,#edfcf4 70%,#e0fbea 100%);overflow:hidden}.hero:before{display:none}.hero .wrap{min-height:724px;grid-template-columns:.95fr 1.15fr;gap:30px}.hero-copy{padding:40px 0}.hero h1{font-size:77px;font-weight:720;letter-spacing:2px;color:#192c26;margin:12px 0 20px}.hero .tagline{font-size:32px;line-height:1.6;letter-spacing:0;font-weight:600;color:#1e4230;margin-bottom:22px}.hero .lead{font-size:15px;max-width:415px;line-height:1.95;color:#63796d;margin-bottom:29px}.hero .hint{font-size:11px;color:#82918a;margin-top:15px}.hero-benefits{display:flex;gap:19px;font-size:12px;color:#498366;margin-top:28px}.hero-benefits span:before{content:'✓';margin-right:6px;color:#13a84e}.hero-visual{position:relative;display:flex;justify-content:center;align-items:center;padding:42px 0 34px;gap:16px}.device{width:286px;padding:7px;border:1px solid #d5eadc;border-radius:32px;background:#fff;box-shadow:0 18px 42px #31895814;flex-shrink:0}.device-screen{border-radius:25px;overflow:hidden;height:600px;background:linear-gradient(#effdf6,#bbf6d4);color:#111;position:relative;padding:20px 10px 13px}.device.secondary-device{width:235px;transform:translateY(40px);border-radius:27px}.secondary-device .device-screen{height:493px;border-radius:21px;padding:18px 10px 13px}.screen-title{text-align:center;font-size:15px;font-weight:650;position:relative;padding:0 0 25px;color:#111}.screen-title .back{position:absolute;left:0;color:#328739;font-size:19px;font-weight:400}.app-nodes{display:flex;justify-content:space-between;position:relative;align-items:flex-start;margin:0 0 29px;color:#a2d5a5}.app-nodes:before{content:'';position:absolute;top:10px;height:2px;left:11px;right:11px;background:#c8e6c9}.app-node{text-align:center;font-size:8px;z-index:1;flex:1;white-space:nowrap}.app-node i{display:block;border:1px solid #c8e6c9;width:17px;height:17px;background:#fff;border-radius:100%;margin:3px auto 10px}.app-node.selected{color:#205f2c;font-size:10px;font-weight:650}.app-node.selected i{border:8px solid #4caf50;width:29px;height:29px;margin:-3px auto 4px;box-shadow:0 3px 8px #4caf5020}.app-nodes.all{color:#4caf50}.app-nodes.all:before{background:#4caf50}.app-nodes.all i{background:#fff;border:5px solid #4caf50}.app-nodes.all .selected i{border-width:8px}.reading-sheet{background:#fff;border-radius:20px 20px 0 0;text-align:center;padding:17px 10px 10px;height:418px;overflow:hidden}.reading-sheet .switch{font-size:10px;text-align:right;color:#679b43;margin-bottom:17px}.reading-sheet .switch b{display:inline-block;width:27px;height:15px;border-radius:20px;background:#c8e6c9;vertical-align:middle;margin-left:4px}.reading-sheet .switch b:after{content:'';display:block;background:#fff;width:15px;height:15px;border-radius:50%;margin-left:12px;box-shadow:0 1px 3px #0002}.reading-sheet h3{font-size:21px;color:#111}.reading-sheet .author{font-size:12px;margin:10px 0 24px;color:#111}.reading-sheet .line{font-size:20px;letter-spacing:4px;line-height:1.45;margin-bottom:14px;white-space:nowrap}.reading-sheet .line.long{font-size:16px;letter-spacing:2px}.reading-sheet .line 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