/* 元愈芯生 · 本地官网示例 | 无第三方框架 / 无外网依赖 */
:root{--ink:#193353;--ink-dark:#112b4a;--muted:#778ca3;--blue:#3c82e6;--blue-dark:#2771d5;--teal:#24bea9;--line:#e6eef7;--bg:#f7faff;--navy:#15375f;--shadow:0 18px 52px rgba(28,76,136,.075);--radius:22px;--shell:1180px}
*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:93px}body{margin:0;color:var(--ink);background:#fff;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}body.menu-open{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}button:focus-visible,a:focus-visible{outline:3px solid #90baff;outline-offset:4px}button:disabled{cursor:not-allowed}img{max-width:100%}p,h1,h2,h3,h4{margin-top:0}p{margin-bottom:0}.shell{width:min(var(--shell),calc(100% - 72px));margin:0 auto}.icon-sprite{width:0;height:0;position:absolute;overflow:hidden}.icon{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;display:inline-block;flex-shrink:0;vertical-align:-.22em}.text-blue{color:var(--blue)}.kicker{display:inline-block;color:#3384d7;font-size:13px;font-weight:750;letter-spacing:1.25px}.section{padding:108px 0}.section-heading h2,.preview-copy h2,.contact-copy h2{font-size:clamp(32px,3vw,43px);line-height:1.35;letter-spacing:-1.7px;font-weight:760;margin:14px 0 19px}.section-heading p{color:var(--muted);line-height:1.9;max-width:620px}.section-heading.centered{text-align:center;margin-bottom:49px}.section-heading.centered h2{margin-bottom:14px}.section-heading.centered p{margin-inline:auto}.split-heading{display:grid;grid-template-columns:1fr .92fr;align-items:end;gap:80px;margin-bottom:48px}.split-heading h2{margin-bottom:0}.split-heading p{padding-bottom:4px}

/* 导航 */
.site-header{position:sticky;top:0;z-index:40;height:83px;background:rgba(255,255,255,.93);backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px);border-bottom:1px solid rgba(223,235,246,.8)}.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:26px}.brand{display:inline-flex;align-items:center;gap:11px;white-space:nowrap}.brand>img{display:block;border-radius:14px;box-shadow:0 7px 17px rgba(31,129,217,.14)}.brand-text{display:flex;flex-direction:column;line-height:1.2;letter-spacing:1px}.brand-text strong{font-size:22px;font-weight:850;color:#17365c;letter-spacing:2px}.brand-text small{margin-top:5px;font-size:10px;color:#8292a5;letter-spacing:1.45px}.main-nav{display:flex;align-items:center;gap:28px;height:100%}.main-nav a{position:relative;height:100%;display:flex;align-items:center;font-size:14px;font-weight:650;color:#637994;transition:color .2s}.main-nav a:hover,.main-nav a.active{color:#287fe0}.main-nav a.active:after{content:"";height:3px;position:absolute;bottom:0;left:0;right:0;background:#3787e7;border-radius:5px 5px 0 0}.header-actions{display:flex;align-items:center;gap:16px}.launch-tag{font-size:12px;color:#248f82;font-weight:700;white-space:nowrap;border:1px solid #d9eee9;background:#effbf8;border-radius:40px;padding:8px 12px}.launch-tag span{display:inline-block;width:7px;height:7px;border-radius:50%;background:#2dc8a9;margin-right:4px;box-shadow:0 0 0 3px rgba(45,200,169,.13)}.mobile-menu{display:none;border:0;background:transparent;color:var(--ink);padding:7px}.mobile-menu .icon{width:26px;height:26px}

/* 主视觉 */
.hero{position:relative;overflow:hidden;background:linear-gradient(112deg,#fbfdff 0%,#eff7ff 50%,#e7f3ff 100%);padding:76px 0 95px}.hero:after{content:"";position:absolute;left:0;bottom:0;width:100%;height:2px;background:#fff}.hero-glow{position:absolute;pointer-events:none;filter:blur(2px);border-radius:50%;opacity:.7}.hero-glow-a{width:600px;height:600px;right:-100px;top:-300px;background:radial-gradient(circle,#fff7d9 0%,rgba(255,255,255,.3) 42%,transparent 65%)}.hero-glow-b{width:570px;height:570px;left:-230px;bottom:-380px;background:radial-gradient(circle,#c6e8fc 0%,transparent 73%)}.hero-grid{display:grid;grid-template-columns:1.01fr .99fr;align-items:center;gap:28px;position:relative;z-index:1;min-height:650px}.hero-copy{padding-bottom:18px}.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:9px 15px;background:#fff;border:1px solid #e0edf9;border-radius:100px;color:#397aaf;font-size:12px;font-weight:720;box-shadow:0 6px 24px rgba(41,126,200,.06)}.eyebrow-dot{width:8px;height:8px;background:#2cc6b8;border-radius:50%;box-shadow:0 0 0 4px #e8f9f5}.hero h1{font-size:clamp(42px,4.1vw,62px);line-height:1.27;letter-spacing:-2.3px;margin:26px 0 24px;font-weight:820;color:#1b3659}.headline-em{color:#317fdf;position:relative;display:inline-block}.headline-em:after{content:"";height:10px;position:absolute;left:1%;right:11%;bottom:4px;background:rgba(74,171,245,.16);z-index:-1;border-radius:30px;transform:rotate(-1.6deg)}.headline-spark{font-size:20px;position:absolute;right:-15px;top:-8px;color:#2cc6b9}.hero-summary{max-width:510px;font-size:17px;color:#647e99;line-height:2.05}.hero-buttons{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}.btn{border-radius:13px;min-height:52px;padding:12px 25px;display:inline-flex;gap:12px;align-items:center;justify-content:center;font-size:15px;font-weight:730;transition:transform .2s,box-shadow .2s,background .2s}.btn:hover{transform:translateY(-2px)}.btn .icon{width:18px;height:18px}.btn-primary{color:#fff;background:linear-gradient(120deg,#3588ef,#2472d5);box-shadow:0 10px 24px rgba(36,113,216,.24)}.btn-primary:hover{background:linear-gradient(120deg,#2679dd,#1764c0);box-shadow:0 14px 25px rgba(36,113,216,.3)}.btn-secondary{color:#347fca;background:rgba(255,255,255,.78);border:1px solid #cbdff5}.btn-secondary:hover{background:#fff;box-shadow:0 10px 23px rgba(37,99,160,.09)}.prelaunch-note{display:flex;align-items:center;gap:7px;color:#8093aa;font-size:12px;margin-top:20px}.prelaunch-note .icon{width:15px;height:15px;color:#7bb5dc}.hero-qualities{display:flex;gap:18px;flex-wrap:wrap;margin-top:45px;border-top:1px solid #dce8f4;padding-top:22px;font-size:12px;color:#4f708c;font-weight:650}.hero-qualities span{display:flex;gap:6px;align-items:center}.hero-qualities .icon{width:16px;height:16px;color:#20b8a5}.hero-bottom-wave{position:absolute;left:0;right:0;bottom:-2px;height:77px}.hero-bottom-wave svg{display:block;width:100%;height:100%}
.hero-visual{height:680px;position:relative;display:flex;align-items:center;justify-content:center}.visual-orbit{position:absolute;border-radius:50%;pointer-events:none}.orbit-one{width:610px;height:610px;border:1px solid rgba(133,190,238,.23);background:radial-gradient(circle,rgba(218,239,254,.45),transparent 65%);left:0;top:25px}.orbit-two{width:460px;height:460px;border:1px dashed rgba(149,196,232,.55);left:76px;top:98px}.hero-spark{position:absolute;color:#64b6ed}.spark-one{font-size:25px;top:78px;right:38px}.spark-two{font-size:19px;left:36px;bottom:140px}.phone{position:relative;width:312px;height:638px;padding:8px;background:#1f3351;border:3px solid #42516b;border-radius:48px;box-shadow:5px 27px 57px rgba(39,73,121,.24),-10px 19px 42px rgba(91,161,230,.14);transform:rotate(7deg);z-index:3}.phone:after{content:"";width:4px;height:68px;background:#56647c;position:absolute;right:-7px;top:141px;border-radius:0 4px 4px 0}.phone-screen{height:100%;background:#f7faff;overflow:hidden;border-radius:37px;display:flex;flex-direction:column;position:relative}.phone-speaker{position:absolute;z-index:6;width:104px;height:24px;background:#203250;left:50%;transform:translateX(-50%);top:14px;border-radius:0 0 16px 16px}.phone-status{height:36px;padding:9px 20px 0;display:flex;justify-content:space-between;font-weight:800;font-size:10px;position:absolute;z-index:5;top:0;left:0;right:0;color:#234b7c}.phone-banner{height:204px;background-size:cover;background-position:center center;padding:56px 20px 18px;flex-shrink:0;color:#25527c}.phone-mini-brand{display:flex;gap:7px;align-items:center;font-size:14px;font-weight:820;line-height:1.15}.phone-mini-brand small{display:block;font-size:9px;margin-top:3px;font-weight:600;letter-spacing:1px}.phone-mini-icon{display:flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:11px;background:rgba(255,255,255,.75);color:#3e86cb;font-size:20px}.phone-banner p{font-size:13px;color:#557aa2;margin:20px 0 0}.phone-content{padding:12px 14px 0;flex:1}.phone-label-row{display:flex;align-items:center;justify-content:space-between;font-weight:800;font-size:13px;margin-bottom:9px}.phone-label-row small{color:#acb8c8;font-size:8px;font-weight:500}.phone-sleepcard{background:#fff;border:1px solid #edf2f8;border-radius:17px;padding:12px;display:flex;gap:12px;align-items:center;box-shadow:0 6px 16px rgba(61,103,154,.04)}.phone-sleep-score{width:113px;height:105px;background:conic-gradient(#51bce5 0 70%,#35c9ad 70% 86%,#edf5fc 86% 100%);border-radius:50%;display:flex;align-items:center;justify-content:center;flex-direction:column;position:relative;flex-shrink:0}.phone-sleep-score:before{content:"";position:absolute;inset:8px;border-radius:50%;background:#fff}.phone-sleep-score>*{z-index:1;position:relative}.phone-sleep-score b{line-height:1;font-size:28px;color:#227bd5}.phone-sleep-score b small{font-size:10px;font-weight:700}.phone-sleep-score span{font-size:8px;color:#6f93aa;margin-top:5px;font-weight:700}.phone-time small,.phone-time span{display:block;color:#8ca3b6;font-size:9px}.phone-time strong{font-size:23px;color:#213a5b;white-space:nowrap;letter-spacing:-1px}.phone-time strong em{font-style:normal;font-size:10px;font-weight:600;letter-spacing:0}.phone-time span{margin-top:5px}.phone-section-title{font-size:12px;font-weight:780;margin:14px 0 5px;display:flex;align-items:center;justify-content:space-between}.phone-section-title small{color:#9cabbd;font-size:8px;font-weight:400}.phone-bars{height:65px;display:flex;align-items:flex-end;gap:9px;padding:0 6px;border-bottom:1px solid #edf1f6}.phone-bars i{display:block;flex:1;border-radius:3px 3px 1px 1px;background:linear-gradient(#61b9f4,#4082e4)}.phone-bars i:nth-child(even){background:linear-gradient(#81d7e3,#4ab8cc)}.phone-bar-labels{display:flex;justify-content:space-around;font-size:8px;color:#a3b3c5;padding:5px 0}.phone-plan{margin-top:10px;background:#ebf6ff;border:1px solid #dbeeff;border-radius:13px;padding:10px;display:flex;align-items:center;gap:8px}.phone-plan-icon{width:32px;height:32px;background:#d4ecff;display:grid;place-items:center;border-radius:10px;color:#4d86cb;font-size:20px}.phone-plan span:nth-child(2){flex:1;display:flex;flex-direction:column;line-height:1.4}.phone-plan strong{font-size:11px}.phone-plan small{font-size:8px;color:#839bad}.phone-plan-arrow{color:#7babc6;font-size:22px}.phone-bottom{display:flex;justify-content:space-around;align-items:center;height:47px;border-top:1px solid #e7eef7;background:#fff;margin-top:auto;flex-shrink:0}.phone-bottom>span{text-align:center;font-size:20px;color:#9bb3c7;line-height:1.05}.phone-bottom .is-active{color:#377ce2}.phone-bottom small{display:block;font-size:8px}.float-card{position:absolute;z-index:4;border:1px solid rgba(226,238,250,.95);background:rgba(255,255,255,.95);backdrop-filter:blur(12px);border-radius:16px;padding:13px 16px;box-shadow:0 17px 42px rgba(28,97,165,.12);display:flex;align-items:center;gap:10px}.float-card strong{display:block;font-size:13px;color:#284364;white-space:nowrap}.float-card small{display:block;margin-top:1px;color:#91a4b5;font-size:10px;white-space:nowrap}.float-icon{display:flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:11px}.float-icon .icon{width:20px}.float-icon.lilac{color:#777ce7;background:#f0edff}.float-icon.mint{color:#28bba9;background:#e6f9f4}.float-left{left:4px;top:180px;transform:rotate(-7deg)}.float-right{right:0;bottom:152px;transform:rotate(-5deg)}.visual-caption{position:absolute;bottom:5px;color:#9aadc0;font-size:11px}

/* 产品简介 */
.intro-section{padding-top:90px;padding-bottom:111px}.intro-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.intro-card{border:1px solid #e9f0f8;border-radius:24px;overflow:hidden;transition:transform .2s,box-shadow .2s;background:#fff}.intro-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}.intro-illustration{position:relative;height:201px;display:flex;align-items:center;justify-content:center;flex-direction:column;overflow:hidden}.intro-a .intro-illustration{background:linear-gradient(125deg,#e9f5ff,#d3eaff)}.intro-b .intro-illustration{background:linear-gradient(135deg,#e7faf7,#d7f4eb)}.intro-c .intro-illustration{background:linear-gradient(135deg,#edf0ff,#dbdcff)}.intro-illustration small{z-index:1;color:#6b8eaa;font-size:12px;margin-top:10px}.intro-chart b{font-size:40px;line-height:1.2;color:#4e95db;letter-spacing:1px}.mini-graphic{height:34px;display:flex;align-items:end;gap:6px;position:absolute;bottom:21px;right:31px;opacity:.57}.mini-graphic i{display:block;background:#69b2f0;width:9px;border-radius:4px 4px 0 0;height:17px}.mini-graphic i:nth-child(2){height:31px}.mini-graphic i:nth-child(3){height:20px}.mini-graphic i:nth-child(4){height:27px}.mini-graphic i:nth-child(5){height:16px}.mini-graphic i:nth-child(6){height:29px}.soft-line{position:absolute;width:190px;height:190px;border:1px solid #fff;border-radius:50%;left:-58px;top:-75px}.intro-target .orbit{position:absolute;border:2px solid rgba(57,183,159,.15);border-radius:50%}.intro-target .ring1{width:155px;height:155px}.intro-target .ring2{width:105px;height:105px}.intro-target>span{font-size:70px;color:#2ebba7;z-index:1;line-height:1.1}.intro-moon>span{font-size:103px;color:#929ef0;line-height:1;transform:rotate(-14deg);filter:drop-shadow(0 12px 9px rgba(93,107,185,.12))}.moon-stars{position:absolute;right:68px;top:44px;color:#f8a967;font-size:19px}.intro-text{padding:27px 28px 31px}.intro-index{font-size:11px;color:#79a8ce;font-weight:800;letter-spacing:1px}.intro-text h3{font-size:19px;margin:7px 0 8px}.intro-text p{color:#7b8ea2;line-height:1.82;font-size:14px}

/* 核心功能 */
.features-section{background:linear-gradient(180deg,#f6faff,#fafdff);position:relative;overflow:hidden}.features-section:before{content:"";width:380px;height:380px;border-radius:50%;background:#e7f4ff;filter:blur(110px);position:absolute;left:-170px;top:150px}.feature-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;position:relative}.feature-card{min-height:261px;padding:29px 25px 23px;background:#fff;border:1px solid #e7eef8;border-radius:21px;position:relative;box-shadow:0 6px 25px rgba(25,81,139,.025);transition:transform .22s,box-shadow .22s,border .22s}.feature-card:hover{transform:translateY(-5px);border-color:#cce3f8;box-shadow:0 20px 39px rgba(35,100,159,.095)}.feature-icon{width:53px;height:53px;border-radius:16px;display:grid;place-items:center;margin-bottom:22px}.feature-icon .icon{width:25px;height:25px;stroke-width:1.9}.fi-blue{background:#e6f2ff;color:#3884e3}.fi-teal{background:#e5f9f5;color:#2aaf9c}.fi-purple{background:#f0edff;color:#8e77d9}.fi-amber{background:#fff4e3;color:#e5a349}.fi-sky{background:#e8f5fd;color:#46a6d7}.fi-pink{background:#fff0f3;color:#e67e9e}.fi-green{background:#e8f7ed;color:#4fb880}.fi-deep{background:#e9ecff;color:#6778df}.feature-card h3{font-size:18px;margin:0 0 8px;font-weight:790}.feature-card p{font-size:13px;line-height:1.85;color:#72879d}.feature-meta{display:inline-block;color:#70a8cf;font-size:11px;margin-top:14px;font-weight:750}.feature-footnote{display:flex;align-items:center;justify-content:center;gap:8px;text-align:center;margin:28px 0 0;font-size:12px;color:#91a4b5}.feature-footnote .icon{width:15px;height:15px}

/* 交互预览 */
.preview-section{background:#fff;overflow:hidden}.preview-layout{display:grid;grid-template-columns:.79fr 1.21fr;gap:68px;align-items:center}.preview-copy h2{margin:18px 0 18px}.preview-copy>p{max-width:400px;line-height:1.95;color:var(--muted)}.preview-tabs{margin-top:29px;display:flex;flex-direction:column;gap:11px}.preview-tab{width:100%;border:1px solid #e6eef7;background:#fff;border-radius:16px;padding:17px;display:flex;align-items:center;gap:15px;text-align:left;color:#778ba2;transition:all .2s}.preview-tab>.icon:first-child{width:42px;height:42px;border-radius:13px;padding:11px;background:#f0f5fc;color:#7ca7cf;stroke-width:2}.preview-tab>span{flex:1}.preview-tab strong{font-size:15px;color:#43607d;display:block}.preview-tab small{font-size:12px;color:#a2b0bf;display:block;margin-top:2px}.preview-tab-arrow{width:16px;height:16px;color:#b1c3d6}.preview-tab:hover{border-color:#bfd8f6;background:#fafdff}.preview-tab.active{border-color:#abcef6;background:#f2f8ff;box-shadow:0 8px 24px rgba(54,116,189,.06)}.preview-tab.active>.icon:first-child{background:#dfedff;color:#3186e2}.preview-tab.active strong{color:#2e72c3}.preview-tab.active .preview-tab-arrow{color:#3186e2}.preview-disclaimer{font-size:11px;margin-top:22px;color:#9babbc}.preview-stage{position:relative;min-height:565px;background:radial-gradient(circle at 51% 39%,#e8f6ff 0%,#f2f8ff 37%,#f8fbff 67%);border-radius:34px;display:grid;place-items:center;padding:32px}.preview-stage:before,.preview-stage:after{content:"";position:absolute;border:1px dashed #d1e3f5;border-radius:50%;pointer-events:none}.preview-stage:before{width:420px;height:420px}.preview-stage:after{width:560px;height:560px}.stage-spark{position:absolute;z-index:1;color:#75bcea}.stage-spark.star-a{left:40px;top:50px;font-size:23px}.stage-spark.star-b{bottom:52px;right:58px;font-size:17px}.preview-window{position:relative;z-index:2;background:#fff;border-radius:21px;box-shadow:0 28px 65px rgba(38,106,168,.13);width:100%;max-width:525px;min-height:483px;overflow:hidden;border:1px solid #d9e7f5}.window-top{height:43px;background:#f8fbfe;display:flex;align-items:center;gap:9px;padding:0 18px;border-bottom:1px solid #edf2f8;font-size:11px;color:#8b9fb4}.window-top>span:nth-child(2){margin:auto}.window-demo{color:#428cdb;font-size:9px;letter-spacing:1px;font-weight:800;background:#e7f2ff;border-radius:20px;padding:2px 9px}.window-dots{display:flex;gap:5px}.window-dots i{display:block;width:7px;height:7px;border-radius:50%;background:#f3c7c5}.window-dots i:nth-child(2){background:#ffe2aa}.window-dots i:nth-child(3){background:#bce6d1}.preview-panel{padding:26px 29px 23px;min-height:440px}.preview-panel[hidden]{display:none!important}.panel-head{display:flex;align-items:center;justify-content:space-between;gap:16px}.panel-head small{font-size:10px;letter-spacing:1.5px;color:#89b3d9;font-weight:850}.panel-head h3{margin:0;font-size:21px;line-height:1.45}.panel-date{font-size:10px;color:#a5b6c6;background:#f5f8fc;border-radius:12px;padding:5px 8px;white-space:nowrap}.sample-sleep-main{display:flex;gap:35px;align-items:center;margin-top:22px;padding:12px 16px 14px;background:linear-gradient(105deg,#f7fbff,#f5fcfc);border-radius:19px}.score-ring{width:150px;height:150px;border-radius:50%;background:conic-gradient(#56cdb6 0 28%,#428ee8 28% 86%,#e3eef8 86% 100%);padding:13px;display:grid;place-items:center;flex-shrink:0}.score-ring>div{background:#fff;border-radius:50%;width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;box-shadow:inset 0 0 0 1px #eaf3fc}.score-ring b{font-size:40px;line-height:1.15;color:#327fd5}.score-ring b span{font-size:14px}.score-ring small{font-size:11px;color:#27b69c;margin-top:2px;font-weight:800}.sample-sleep-data>span{color:#91a6ba;font-size:12px}.sample-sleep-data strong{display:block;font-size:31px;font-weight:800;line-height:1.6;white-space:nowrap}.sample-sleep-data strong small{font-size:11px}.mini-stats{display:flex;gap:27px;margin-top:5px}.mini-stats b{display:block;font-size:13px;color:#55748e}.mini-stats small{display:block;color:#99aabd;font-size:10px}.chart-title{display:flex;align-items:center;justify-content:space-between;font-size:13px;font-weight:800;margin:20px 0 4px}.chart-title small{font-size:10px;color:#9eafc0;font-weight:500}.trend-bars{height:79px;display:grid;grid-template-columns:repeat(7,1fr);gap:20px;align-items:end;padding:3px 19px;border-bottom:1px solid #e9f1f9;background:repeating-linear-gradient(to top,transparent,transparent 23px,#f1f6fc 24px)}.trend-bars span{height:var(--v);border-radius:6px 6px 0 0;background:linear-gradient(to top,#65a1e7,#86c7f1)}.trend-bars span:nth-child(2n){background:linear-gradient(to top,#56c2bf,#8fe0db)}.chart-axis{display:grid;grid-template-columns:repeat(7,1fr);text-align:center;font-size:10px;color:#a1b1c1;margin:3px 17px 0}.panel-tip{display:flex;align-items:center;gap:9px;background:#eef8ff;color:#638fae;padding:12px 14px;border-radius:11px;margin-top:18px;font-size:11px}.panel-tip .icon{width:18px;height:18px;flex-shrink:0;color:#4e9be3}.plan-desc{font-size:12px;color:#8093aa;margin-top:9px}.plan-progress{padding:15px 18px;background:#eef7ff;border-radius:14px;margin-top:19px}.plan-progress-head{display:flex;justify-content:space-between;align-items:center;font-size:13px}.plan-progress-head>span{font-size:10px;color:#7193b0}.progress-track{height:6px;background:#d4e8f9;border-radius:8px;margin-top:11px;overflow:hidden}.progress-track>span{display:block;width:28%;height:100%;background:linear-gradient(90deg,#3d90e8,#28c0af);border-radius:8px}.plan-days{margin-top:13px;display:flex;flex-direction:column;gap:6px}.day{display:flex;align-items:center;gap:11px;padding:9px 12px;border:1px solid #ebf1f7;border-radius:11px;background:#fff}.day>span{width:31px;height:31px;border-radius:9px;background:#f2f6fb;display:grid;place-items:center;color:#9fb2c7;font-size:11px;font-weight:800}.day>div{flex:1;line-height:1.35}.day strong{display:block;font-size:12px;font-weight:760}.day small{font-size:10px;color:#9aabbd}.day>.icon{width:18px;height:18px;color:#2abea6}.day.current{background:#f2f9ff;border-color:#bddcf7}.day.current>span{background:#3c89e6;color:#fff}.day.current>b{font-size:10px;color:#3c89e6}.day.done{opacity:.72}.music-art{height:210px;background:radial-gradient(circle at 50% 32%,#658ac2,#375488 65%,#273f70 100%);border-radius:19px;margin-top:21px;position:relative;overflow:hidden;display:grid;place-items:center}.music-art:after{content:"";position:absolute;width:300px;height:300px;border-radius:50%;border:1px solid rgba(255,255,255,.23);top:-25%;left:20%}.music-moon{position:relative;z-index:2;font-size:100px;line-height:1;color:#e9f9ff;text-shadow:0 0 34px rgba(195,237,255,.5);transform:rotate(-18deg)}.music-star{position:absolute;color:#caeaff}.ms-1{left:15%;top:26%}.ms-2{right:19%;top:18%;font-size:27px}.ms-3{right:28%;bottom:22%}.music-ground{position:absolute;height:40px;background:#243b65;bottom:-10px;left:-15px;right:-15px;border-radius:60% 60% 0 0;transform:rotate(-2deg)}.music-copy{text-align:center;margin-top:15px}.music-copy h4{margin:0;font-size:15px}.music-copy p{font-size:11px;color:#94a8bc;margin-top:3px}.sound-types{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;margin-top:15px}.sound-types span{background:#f2f6fb;color:#8ba3bb;font-size:10px;border-radius:30px;padding:5px 10px}.sound-types span.selected{background:#e5f4ff;color:#3686d7}

/* 流程 */
.journey-section{background:linear-gradient(#f7faff,#fff)}.journey-steps{display:flex;align-items:flex-start;gap:21px;margin-top:50px}.journey-step{flex:1;display:flex;align-items:flex-start;gap:16px}.journey-number{display:grid;place-items:center;width:59px;height:59px;flex-shrink:0;background:#e8f4ff;color:#478fdb;font-size:18px;font-weight:850;border:1px solid #dceaf8;border-radius:18px}.journey-step h3{font-size:17px;margin:1px 0 7px}.journey-step p{font-size:13px;color:#8095aa;line-height:1.85}.journey-connector{width:57px;height:1px;margin-top:28px;background:repeating-linear-gradient(90deg,#9cc9ee 0,#9cc9ee 5px,transparent 5px,transparent 10px);flex-shrink:0}

/* 关于我们 */
.about-section{padding-top:35px;padding-bottom:105px}.about-panel{position:relative;min-height:450px;border-radius:36px;background:linear-gradient(117deg,#17365e 0%,#21558a 67%,#337ba6 100%);overflow:hidden;color:#fff;display:grid;grid-template-columns:1fr .9fr;align-items:center;padding:65px 78px}.about-panel:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 68% 30%,rgba(99,191,226,.2),transparent 39%)}.about-mist{position:absolute;border:1px solid rgba(255,255,255,.07);border-radius:50%}.about-mist.circle1{width:530px;height:530px;right:-30px;top:-80px}.about-mist.circle2{width:680px;height:680px;right:-100px;top:-150px}.about-main{position:relative;z-index:1}.kicker-light{color:#92e1e1}.about-main h2{font-size:clamp(31px,3vw,42px);line-height:1.45;letter-spacing:-1px;margin:17px 0 25px;font-weight:770}.about-main h2 span{color:#94e9e1}.about-company{font-size:16px;font-weight:760;color:#edf5ff;margin-bottom:9px}.about-description{line-height:1.95;font-size:13px;color:#c0d6e9;max-width:475px}.about-chips{display:flex;flex-wrap:wrap;gap:9px;margin-top:28px}.about-chips span{border:1px solid rgba(197,235,255,.15);background:rgba(255,255,255,.085);padding:8px 12px;border-radius:30px;color:#e7f2fc;font-size:12px;display:flex;gap:7px;align-items:center}.about-chips .icon{width:16px;height:16px;color:#9fece1}.about-art{position:relative;min-height:330px;display:grid;place-items:center}.art-halo{width:340px;height:340px;border-radius:50%;position:absolute;background:radial-gradient(circle,rgba(98,196,230,.18),transparent 68%)}.art-glass{width:285px;height:299px;border-radius:26px;position:relative;transform:rotate(8deg);background:linear-gradient(135deg,rgba(255,255,255,.24),rgba(255,255,255,.06));border:1px solid rgba(255,255,255,.3);box-shadow:0 30px 70px rgba(7,27,51,.3);backdrop-filter:blur(9px);display:flex;align-items:center;justify-content:center;flex-direction:column;gap:6px}.art-logo{text-align:center}.art-logo img{border-radius:20px;box-shadow:0 15px 30px rgba(0,0,0,.12)}.art-logo strong{display:block;font-size:26px;letter-spacing:2px;margin-top:10px}.art-logo small{font-size:11px;color:#c4dcec;letter-spacing:2px}.art-lower{position:absolute;bottom:20px;left:27px;right:23px;display:flex;justify-content:space-between;align-items:center;border-top:1px solid rgba(255,255,255,.19);padding-top:12px;font-size:10px;color:#cae0ee;letter-spacing:1px}.art-lower i{font-size:19px;color:#a1ecf4;font-style:normal}

/* 联系信息 */
.contact-section{padding:22px 0 118px}.contact-grid{display:grid;grid-template-columns:1fr .86fr;gap:92px;align-items:center}.contact-copy h2{margin:14px 0 17px}.contact-copy>p{color:#8093a7;line-height:1.9;max-width:420px;font-size:14px}.contact-email{display:flex;align-items:center;gap:15px;margin-top:30px;padding:17px 16px;background:#f4f9ff;border:1px solid #e5effa;border-radius:16px;max-width:445px}.contact-email-icon{background:#e0f0ff;display:grid;place-items:center;border-radius:11px;width:46px;height:46px;color:#377fd7;flex-shrink:0}.contact-email>div:nth-child(2){flex:1;min-width:0;line-height:1.5}.contact-email small{color:#8da5bb;font-size:11px;display:block}.contact-email strong{display:block;font-size:17px;letter-spacing:.1px;overflow-wrap:anywhere}.copy-btn{border:0;background:#e6f2ff;color:#3d88d8;border-radius:9px;display:grid;place-items:center;width:35px;height:35px;flex-shrink:0}.copy-btn:hover{background:#d2e8ff}.copy-btn .icon{width:16px;height:16px}.contact-small{font-size:11px!important;color:#adb9c8!important;margin-top:10px}.contact-aside{border:1px solid #e6eef7;background:linear-gradient(130deg,#fff,#f7fbff);border-radius:24px;padding:35px 34px;box-shadow:var(--shadow)}.aside-heading{display:flex;gap:14px;align-items:center}.aside-orb{width:52px;height:52px;display:grid;place-items:center;border-radius:16px;color:#37a69d;background:#e5f8f4}.aside-orb .icon{width:24px;height:24px}.aside-heading h3{margin:0;font-size:18px}.aside-heading p{font-size:12px;color:#99a8b6;margin-top:2px}.aside-list{display:flex;flex-direction:column;gap:17px;margin:27px 0 26px;padding:0 0 26px;border-bottom:1px solid #e8eff7}.aside-list>div{display:flex;gap:10px;align-items:center;font-size:13px;color:#66809a}.aside-list .icon{width:17px;height:17px;color:#39bba5}.aside-link{font-size:13px;color:#327fcb;display:inline-flex;align-items:center;gap:6px;font-weight:750}.aside-link:hover{color:#1657a0}.aside-link .icon{width:16px;height:16px}

/* 页脚 */
.footer{background:#122c4c;color:#cad8e6}.footer-upper{display:flex;justify-content:space-between;gap:70px;padding:58px 0 56px}.footer-brand{width:285px;flex-shrink:0}.brand-on-dark .brand-text strong{color:#fff}.brand-on-dark .brand-text small{color:#acc3d8}.footer-brand>p{font-size:12px;color:#9fb5ca;margin-top:18px;line-height:1.9}.footer-links{flex:1;display:grid;grid-template-columns:.7fr .85fr 1.4fr;gap:24px;max-width:690px}.footer-links h4{font-size:14px;color:#e9f3fc;margin-bottom:14px}.footer-links a,.footer-links p{display:block;font-size:12px;color:#9fb6ca;line-height:2.15}.footer-links a:hover{color:#fff}.footer-links a span{color:#80bbd7;font-size:10px}.footer-bottom{border-top:1px solid rgba(255,255,255,.13);padding:22px 0 26px;display:flex;justify-content:space-between;gap:24px;color:#849db7;font-size:11px}.back-top{position:fixed;right:24px;bottom:25px;width:43px;height:43px;background:#fff;color:#408ee4;border:1px solid #d9e9f9;border-radius:14px;box-shadow:0 8px 25px rgba(42,106,169,.15);z-index:30;display:grid;place-items:center;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .2s,visibility .2s,transform .2s}.back-top.visible{opacity:1;visibility:visible;transform:none}.back-top:hover{background:#eaf5ff}.toast{position:fixed;left:50%;transform:translate(-50%,22px);bottom:34px;border-radius:12px;background:#203a5b;color:#fff;padding:11px 19px;font-size:13px;box-shadow:0 15px 50px rgba(25,43,66,.23);z-index:80;opacity:0;pointer-events:none;transition:.24s}.toast.show{opacity:1;transform:translate(-50%,0)}

/* 适配 */
@media(min-width:1600px){.hero{padding-top:82px}.hero-grid{min-height:680px}.hero-visual{height:705px}}
@media(max-width:1180px){.main-nav{gap:16px}.main-nav a{font-size:13px}.header-inner{gap:15px}.brand-text strong{font-size:20px}.launch-tag{display:none}.hero-qualities{gap:10px}.hero h1{font-size:50px}.visual-orbit.orbit-one{left:-17px}.feature-card{padding:24px 20px}.preview-layout{gap:40px}.journey-connector{width:24px}}
@media(max-width:950px){.shell{width:min(var(--shell),calc(100% - 48px))}.site-header{height:75px}.main-nav{display:none;position:fixed;top:75px;left:0;right:0;height:auto;background:#fff;flex-direction:column;align-items:stretch;gap:0;padding:15px 24px 24px;box-shadow:0 20px 35px rgba(26,74,128,.12);border-bottom:1px solid #e8f0f9}.main-nav.open{display:flex}.main-nav a{height:45px;font-size:15px}.main-nav a.active:after{display:none}.mobile-menu{display:grid;place-items:center}.launch-tag{display:inline-block}.hero{padding-top:55px}.hero-grid{grid-template-columns:1fr 1fr;gap:5px}.hero h1{font-size:44px}.hero-summary{font-size:14px}.hero-visual{transform:scale(.83);transform-origin:center center;margin:-30px -60px}.hero-qualities{gap:13px}.intro-cards{gap:13px}.intro-text{padding:22px}.feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.feature-card{min-height:215px}.preview-layout{grid-template-columns:1fr;gap:34px}.preview-copy h2 br{display:none}.preview-copy>p{max-width:660px}.preview-tabs{display:grid;grid-template-columns:repeat(3,1fr)}.preview-tab{padding:12px;gap:9px}.preview-tab>.icon:first-child{width:34px;height:34px;padding:9px}.preview-tab-arrow{display:none}.preview-tab small{display:none}.preview-stage{min-height:550px}.journey-steps{gap:12px}.journey-step{display:block}.journey-step-content{margin-top:12px}.journey-connector{margin-top:29px;width:20px}.about-panel{padding:46px;grid-template-columns:1fr .75fr}.about-art{transform:scale(.78);transform-origin:center}.contact-grid{gap:30px}.footer-upper{gap:30px}.footer-brand{width:240px}}
@media(max-width:650px){html{scroll-padding-top:78px}.shell{width:calc(100% - 36px)}.site-header{height:69px}.brand>img{width:37px;height:37px}.brand-text strong{font-size:20px}.brand-text small{font-size:9px;margin-top:3px}.main-nav{top:69px}.launch-tag{font-size:10px;padding:5px 9px}.hero{padding-top:35px;padding-bottom:35px}.hero-grid{display:flex;flex-direction:column;gap:0;min-height:auto}.hero-copy{width:100%;padding-bottom:0}.eyebrow{font-size:10px;padding:7px 11px}.hero h1{font-size:42px;letter-spacing:-1.5px;margin:20px 0 18px}.hero-summary{font-size:14px;line-height:1.95}.hero-buttons{gap:9px;margin-top:24px}.btn{padding:12px 15px;font-size:13px;min-height:48px}.btn .icon{width:17px;height:17px}.prelaunch-note{font-size:11px;margin-top:15px}.hero-qualities{display:none}.hero-visual{height:550px;width:100%;margin:63px 0 -30px;transform:scale(.8);transform-origin:center top}.visual-orbit.orbit-one{left:50%;transform:translateX(-50%);width:520px;height:520px;top:5px}.visual-orbit.orbit-two{left:50%;transform:translateX(-50%);top:30px}.phone{width:300px;height:620px}.float-left{left:-60px;top:160px}.float-right{right:-43px;bottom:116px}.visual-caption{bottom:-12px;white-space:nowrap}.hero-bottom-wave{height:37px}.section{padding:71px 0}.section-heading h2,.preview-copy h2,.contact-copy h2{font-size:31px;letter-spacing:-1px;line-height:1.42}.section-heading.centered{margin-bottom:29px}.section-heading p,.split-heading p{font-size:14px;line-height:1.95}.split-heading{grid-template-columns:1fr;gap:13px;margin-bottom:25px}.intro-section{padding-top:70px}.intro-cards{grid-template-columns:1fr;gap:14px}.intro-card{display:grid;grid-template-columns:130px 1fr;border-radius:18px;min-height:145px}.intro-illustration{height:100%;min-height:155px}.intro-illustration small{display:none}.intro-chart b{font-size:28px}.mini-graphic{right:10px;bottom:14px;gap:3px}.mini-graphic i{width:5px}.intro-target .ring1{width:114px;height:114px}.intro-target .ring2{width:70px;height:70px}.intro-target>span{font-size:50px}.intro-moon>span{font-size:72px}.moon-stars{right:15px;top:22px}.intro-text{padding:23px 17px}.intro-text h3{font-size:17px}.intro-text p{font-size:12px}.feature-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.feature-card{padding:19px 15px 17px;min-height:240px;border-radius:17px}.feature-icon{width:44px;height:44px;border-radius:13px;margin-bottom:16px}.feature-icon .icon{width:22px;height:22px}.feature-card h3{font-size:15px}.feature-card p{font-size:12px;line-height:1.75}.feature-meta{margin-top:11px;font-size:10px}.feature-footnote{font-size:10px;text-align:left;align-items:flex-start}.feature-footnote .icon{margin-top:2px;flex-shrink:0}.preview-tabs{margin-top:23px;display:grid;gap:7px}.preview-tab{padding:10px 8px;justify-content:center;text-align:center;min-height:68px;flex-direction:column;gap:5px}.preview-tab>.icon:first-child{height:25px;width:25px;padding:5px;border-radius:9px}.preview-tab strong{font-size:11px}.preview-disclaimer{font-size:10px}.preview-stage{padding:19px 11px;min-height:500px;border-radius:22px;margin:0 -4px}.preview-stage:before{width:350px;height:350px}.preview-stage:after{width:450px;height:450px}.preview-window{min-height:435px}.preview-panel{min-height:392px;padding:17px 15px}.panel-head h3{font-size:17px}.panel-date{font-size:9px}.sample-sleep-main{gap:15px;padding:15px 10px}.score-ring{width:118px;height:118px;padding:10px}.score-ring b{font-size:32px}.sample-sleep-data strong{font-size:23px}.mini-stats{gap:10px}.mini-stats b{font-size:11px}.trend-bars{height:66px;gap:12px}.panel-tip{font-size:10px;margin-top:13px;padding:10px}.day{padding:7px 8px}.day strong{font-size:11px}.day small{font-size:9px}.plan-progress{padding:12px}.music-art{height:178px}.music-moon{font-size:83px}.journey-section{padding-top:63px}.journey-steps{flex-direction:column;gap:20px;margin-top:29px}.journey-step{display:flex;gap:16px}.journey-number{width:50px;height:50px;font-size:16px;border-radius:14px}.journey-step-content{margin:0}.journey-step h3{font-size:16px;margin:0 0 5px}.journey-connector{display:none}.about-section{padding-top:0}.about-panel{display:flex;flex-direction:column;align-items:flex-start;padding:33px 24px 29px;border-radius:25px;min-height:auto}.about-main h2{font-size:29px}.about-company{font-size:14px}.about-description{font-size:12px}.about-chips{gap:6px}.about-chips span{font-size:10px;padding:7px 9px}.about-art{min-height:200px;width:100%;transform:none;margin-top:14px}.art-halo{height:220px;width:220px}.art-glass{width:200px;height:185px;border-radius:20px;transform:rotate(5deg)}.art-logo img{width:40px;height:40px;border-radius:14px}.art-logo strong{font-size:20px;margin-top:8px}.art-logo small{font-size:9px}.art-lower{bottom:10px;left:14px;right:14px;padding-top:6px}.contact-section{padding-top:12px!important}.contact-grid{grid-template-columns:1fr;gap:24px}.contact-email{gap:11px;padding:12px}.contact-email strong{font-size:14px}.contact-aside{padding:25px 23px;border-radius:19px}.footer-upper{flex-direction:column;gap:35px;padding:45px 0 30px}.footer-brand{width:auto}.footer-links{grid-template-columns:1fr 1fr;gap:20px}.footer-links>div:last-child{grid-column:1/-1}.footer-links h4{font-size:13px;margin-bottom:8px}.footer-bottom{flex-direction:column;gap:6px;font-size:10px;padding:18px 0 23px}.back-top{right:14px;bottom:16px;width:38px;height:38px;border-radius:12px}}
@media(max-width:375px){.brand-text strong{font-size:18px}.brand-text small{font-size:8px}.launch-tag{display:none}.hero h1{font-size:37px}.hero-visual{transform:scale(.73);height:493px}.float-left{left:-46px}.float-right{right:-35px}.feature-card{min-height:265px}.contact-email strong{font-size:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition-duration:.01ms!important;animation-duration:.01ms!important}}


/* V1.1 · 精简信息架构：移除顶部状态、联系我们区和旧三栏页脚后重新排版 */
@media (min-width: 951px) {
  .header-inner { display:grid;grid-template-columns:minmax(205px,1fr) auto minmax(205px,1fr);gap:20px; }
  .header-inner > .brand { justify-self:start; }
  .header-inner > .main-nav { justify-self:center; }
  .header-inner > .header-actions { justify-self:end; }
}
.about-section { padding-top:40px;padding-bottom:65px; }
.about-panel { min-height:414px;padding:51px 72px;grid-template-columns:1fr .82fr; }
.about-description { max-width:520px; }
.about-chips { margin-top:25px;gap:10px; }
.about-chips span { padding:9px 14px; }
.footer-compact { background:linear-gradient(113deg,#122d4f 0%,#173757 100%); }
.footer-compact-top { display:flex;align-items:center;justify-content:space-between;gap:36px;padding:40px 0 32px; }
.footer-compact .brand-text strong { color:#fff; }
.footer-compact .brand-text small { color:#a9c3df; }
.footer-slogan { flex:1;text-align:right;color:#aac0d7;font-size:13px;letter-spacing:.2px;line-height:1.75; }
 .footer-compact-bottom { display:flex;align-items:center;justify-content:center;text-align:center;padding:17px 0 22px;border-top:1px solid rgba(214,231,250,.13);color:#9fb8d0;font-size:12px;letter-spacing:.15px; }
.footer-copyright { display:block;line-height:1.8; }

@media (max-width:950px) {
  .header-inner { display:flex; }
  .about-panel { padding:44px;grid-template-columns:1fr .72fr; }
  .footer-compact-top { gap:20px; }
  .footer-slogan { max-width:340px; }
}
@media (max-width:650px) {
  .about-section { padding-top:0;padding-bottom:42px; }
  .about-panel { display:flex;padding:33px 24px 27px;min-height:auto; }
  .about-chips { gap:9px; }
  .footer-compact-top { flex-direction:column;align-items:flex-start;gap:16px;padding:34px 0 25px; }
  .footer-slogan { font-size:12px;max-width:none;text-align:left; }
  .footer-compact-bottom { justify-content:center;text-align:center;padding:17px 0 22px;font-size:11px; }
  .footer-copyright { max-width:310px; }
}

/* V1.2：取消尚未准备的协议入口，简洁版权栏居中排列。 */

/* V1.3 — use supplied official app icon consistently across brand, about area, device preview and footer. */
.brand > img,.art-logo img,.phone-mini-icon { object-fit:contain;object-position:center; }
.phone-mini-icon { display:block;width:32px;height:32px;flex-shrink:0;border-radius:10px;background:none;padding:0; }


/* V1.4 · 官网页脚企业信息，保持原有深蓝底及移动端适配。 */
.footer-compact-bottom {
  flex-direction: column;
  gap: 4px;
  padding-top: 20px;
  padding-bottom: 27px;
  line-height: 1.75;
}
.footer-copyright { max-width: none; }
.footer-company-en {
  display: block;
  color: #b5c8dd;
  font-size: 12px;
  font-weight: 450;
  letter-spacing: .25px;
  line-height: 1.7;
  overflow-wrap: anywhere;
}
.footer-company-links {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  column-gap: 26px;
  row-gap: 2px;
  margin-top: 5px;
}
.footer-company-links span, .footer-company-address {
  font-size: 12px;
  color: #9fb8d0;
  line-height: 1.85;
}
.footer-company-links a {
  color: #c6d9eb;
  text-decoration: none;
  text-underline-offset: 3px;
}
.footer-company-links a:hover, .footer-company-links a:focus-visible {
  color: #fff;
  text-decoration: underline;
}
@media (max-width: 650px) {
  .footer-compact-bottom { padding-top: 19px; padding-bottom: 26px; gap: 5px; }
  .footer-company-en { font-size: 11px; }
  .footer-company-links { column-gap: 11px; row-gap: 4px; }
  .footer-company-links span, .footer-company-address { font-size: 11px; }
}