:root{--bg:#fff9fc;--surface:#fff;--pink-soft:#fff1f6;--violet-soft:#f6f3ff;--gray-soft:#f8f6f7;--title:#31262c;--text:#51454c;--muted:#7c6e75;--pink:#ff5c98;--berry:#d9467b;--peach:#ff96ad;--violet:#8b74e8;--deep:#6250b0;--border:rgba(255,92,152,.15);--shadow:0 14px 38px rgba(70,44,58,.08);--shadow-strong:0 20px 48px rgba(217,70,123,.14);--gradient:linear-gradient(135deg,#ff96ad 0%,#ff5c98 50%,#8b74e8 100%);--max:1220px;--header:78px}
*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{margin:0;color:var(--text);background:var(--bg);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;line-height:1.75;overflow-x:hidden}body.menu-open{overflow:hidden}a{color:inherit;text-decoration:none}img{display:block;max-width:100%;height:auto}button{font:inherit}a,button{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid rgba(98,80,176,.38);outline-offset:3px}.skip-link{position:fixed;left:16px;top:-80px;z-index:300;padding:10px 16px;background:#fff;border-radius:12px}.skip-link:focus{top:12px}
.site-header{position:fixed;inset:0 0 auto;z-index:100;height:var(--header);background:rgba(255,249,252,.93);border-bottom:1px solid var(--border);backdrop-filter:blur(18px)}.header-inner{max-width:var(--max);height:100%;margin:auto;padding:0 24px;display:grid;grid-template-columns:1fr auto 1fr 48px;align-items:center;gap:18px}.desktop-nav{display:flex;align-items:center;gap:clamp(12px,2vw,28px);min-width:0}.nav-left{justify-content:flex-end}.nav-right{justify-content:flex-start}.nav-link{position:relative;min-height:44px;display:inline-flex;align-items:center;white-space:nowrap;color:var(--muted);font-size:15px}.nav-link:after{content:"";position:absolute;left:50%;right:50%;bottom:2px;height:2px;background:var(--pink);transition:.2s}.nav-link:hover,.nav-link.is-active{color:var(--berry)}.nav-link:hover:after,.nav-link.is-active:after{left:0;right:0}.site-brand{min-width:166px;min-height:52px;display:flex;align-items:center;justify-content:center}.site-brand img{max-width:176px;max-height:54px;object-fit:contain}.brand-text{font-size:24px;font-weight:850;line-height:1;letter-spacing:-.04em;background:var(--gradient);-webkit-background-clip:text;color:transparent}.menu-toggle{width:46px;height:46px;display:grid;align-content:center;justify-content:center;gap:5px;border:1px solid var(--border);border-radius:50%;background:#fff;box-shadow:0 8px 22px rgba(70,44,58,.07);cursor:pointer}.menu-toggle span{width:18px;height:2px;background:var(--title);border-radius:5px}.mobile-experience{display:none}
main{padding-top:var(--header)}.container{width:min(calc(100% - 40px),var(--max));margin-inline:auto}.section{padding:82px 0}.section.compact{padding:58px 0}.section-soft{background:var(--pink-soft)}.section-violet{background:var(--violet-soft)}.section-gray{background:var(--gray-soft)}.section-head{max-width:790px;margin-bottom:34px}.section-head.center{text-align:center;margin-inline:auto}.eyebrow{display:inline-block;margin-bottom:10px;color:var(--berry);font-size:13px;font-weight:800;letter-spacing:.14em}h1,h2,h3,h4{margin:0;color:var(--title);line-height:1.25}h1{font-size:clamp(38px,6vw,72px);letter-spacing:-.045em}h2{font-size:clamp(28px,4vw,46px);letter-spacing:-.035em}h3{font-size:21px}p{margin:0}.lead{margin-top:18px;color:var(--muted);font-size:clamp(17px,2vw,20px)}.btn-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}.btn{min-height:48px;display:inline-flex;align-items:center;justify-content:center;padding:0 24px;border-radius:999px;font-weight:760;white-space:nowrap}.btn-primary{color:#fff;background:var(--gradient);box-shadow:var(--shadow-strong)}.btn-secondary{color:var(--berry);background:#fff;border:1px solid var(--border)}.text-link{min-height:44px;display:inline-flex;align-items:center;color:var(--berry);font-weight:730}.text-link:after{content:"→";margin-left:8px;transition:.2s}.text-link:hover:after{transform:translateX(4px)}
.hero{position:relative;padding:76px 0 38px;overflow:hidden}.hero:before,.hero:after{content:"";position:absolute;border-radius:50%;pointer-events:none}.hero:before{width:380px;height:380px;left:-180px;top:10px;background:radial-gradient(circle,rgba(255,150,173,.28),transparent 66%)}.hero:after{width:430px;height:430px;right:-190px;top:80px;background:radial-gradient(circle,rgba(139,116,232,.2),transparent 66%)}.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:.78fr 1.8fr .78fr;gap:30px;align-items:center}.hero-center{text-align:center}.hero-brand{margin-bottom:14px;color:var(--berry);font-weight:850;letter-spacing:.12em}.hero-side{padding:24px;border:1px solid var(--border);border-radius:24px;background:rgba(255,255,255,.82);box-shadow:var(--shadow)}.hero-side h2{font-size:20px;margin-bottom:10px}.hero-side p{color:var(--muted);font-size:15px}.hero-visual{position:relative;min-height:330px;margin-top:42px;border-radius:32px;overflow:hidden;background:linear-gradient(135deg,#ffe6ef,#f2edff 58%,#ffecef);box-shadow:var(--shadow-strong)}.hero-visual:before{content:"";position:absolute;inset:24px;border:1px solid rgba(255,255,255,.9);border-radius:24px}.hero-visual:after{content:"生活可以很普通，记录让它变得清晰";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:min(80%,760px);text-align:center;color:#5a4660;font-size:clamp(24px,4vw,48px);font-weight:850;line-height:1.35}
.grid-2,.grid-3,.grid-4,.grid-5,.grid-6,.interest-grid{display:grid;gap:20px}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3,.grid-6{grid-template-columns:repeat(3,1fr)}.grid-4,.interest-grid{grid-template-columns:repeat(4,1fr)}.grid-5{grid-template-columns:repeat(5,1fr)}.card{position:relative;padding:26px;border:1px solid var(--border);border-radius:24px;background:#fff;box-shadow:var(--shadow)}.card h3{margin-bottom:12px}.card p{color:var(--muted)}.card .text-link{margin-top:14px}.number{width:38px;height:38px;margin-bottom:18px;display:grid;place-items:center;border-radius:14px;background:var(--pink-soft);color:var(--berry);font-weight:850}.tag{display:inline-flex;align-items:center;min-height:30px;padding:0 12px;border-radius:999px;background:var(--violet-soft);color:var(--deep);font-size:13px;font-weight:750}.feature-story{display:grid;grid-template-columns:1.35fr 1fr;gap:24px}.story-main{min-height:370px;padding:36px;display:flex;flex-direction:column;justify-content:flex-end;border-radius:30px;background:linear-gradient(145deg,#fff0f6,#f4f0ff);box-shadow:var(--shadow)}.story-list{display:grid;gap:16px}.story-item{padding:22px;border:1px solid var(--border);border-radius:22px;background:#fff}.gallery-card{min-height:270px;display:flex;flex-direction:column;justify-content:flex-end;overflow:hidden}.gallery-card:before{content:"";position:absolute;inset:0;background:linear-gradient(145deg,rgba(255,150,173,.25),rgba(139,116,232,.18));pointer-events:none}.gallery-card>*{position:relative}.topic-card{border-top:4px solid var(--peach)}.app-feature{display:grid;grid-template-columns:1.08fr .92fr;gap:34px;align-items:center}.phone-mock{min-height:500px;position:relative;overflow:hidden;border-radius:42px;background:linear-gradient(160deg,#31262c,#6250b0 70%,#ff5c98);box-shadow:var(--shadow-strong)}.phone-mock:before{content:"糖心Vlog";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);color:#fff;font-size:34px;font-weight:850}.phone-mock:after{content:"";position:absolute;inset:18px;border:1px solid rgba(255,255,255,.35);border-radius:30px}.principles{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}.principle{padding:22px;border:1px solid var(--border);border-radius:22px;background:#fff}.principle h3{font-size:18px;margin-bottom:10px}.callout{padding:34px;border:1px solid var(--border);border-radius:28px;background:#fff;box-shadow:var(--shadow)}.callout ul{margin:18px 0 0;padding-left:20px}.callout li+li{margin-top:7px}.faq-list{display:grid;gap:14px}details{border:1px solid var(--border);border-radius:18px;background:#fff;overflow:hidden}summary{min-height:58px;padding:16px 20px;display:flex;align-items:center;color:var(--title);font-weight:760;cursor:pointer;list-style:none}summary::-webkit-details-marker{display:none}details p{padding:0 20px 20px;color:var(--muted)}
.page-hero{padding:78px 0 58px;background:linear-gradient(180deg,var(--pink-soft),var(--bg))}.page-hero .container{display:grid;grid-template-columns:1.3fr .7fr;gap:32px;align-items:end}.page-hero h1{font-size:clamp(36px,5vw,62px)}.page-hero-note{padding:24px;border:1px solid var(--border);border-radius:24px;background:rgba(255,255,255,.82)}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:34px;align-items:start}.article-body{display:grid;gap:24px}.article-section{padding:30px;border:1px solid var(--border);border-radius:26px;background:#fff;box-shadow:var(--shadow)}.article-section h2{margin-bottom:14px;font-size:clamp(24px,3vw,34px)}.article-section p+p{margin-top:13px}.side-nav{position:sticky;top:calc(var(--header) + 24px);padding:24px;border-radius:24px;background:var(--violet-soft)}.side-nav h2{font-size:19px;margin-bottom:12px}.side-nav a{min-height:42px;display:flex;align-items:center;color:var(--muted);border-bottom:1px solid rgba(98,80,176,.1)}.steps{counter-reset:step;display:grid;gap:16px}.step{counter-increment:step;display:grid;grid-template-columns:44px 1fr;gap:14px;align-items:start}.step:before{content:counter(step);width:40px;height:40px;display:grid;place-items:center;border-radius:14px;background:var(--gradient);color:#fff;font-weight:850}.related-links{display:flex;flex-wrap:wrap;gap:10px}.related-links a{min-height:42px;padding:0 16px;display:inline-flex;align-items:center;border-radius:999px;background:var(--pink-soft);color:var(--berry)}.notice-strip{padding:18px 22px;border-left:4px solid var(--pink);border-radius:16px;background:var(--pink-soft)}
.site-footer{background:#30252b;color:#ffeaf2}.footer-inner{width:min(calc(100% - 40px),var(--max));margin:auto;padding:68px 0 46px;display:grid;grid-template-columns:1.5fr repeat(4,1fr);gap:34px}.footer-logo{min-height:54px;display:flex;align-items:center}.footer-logo img{max-width:176px;max-height:54px;object-fit:contain}.footer-brand p{max-width:330px;margin-top:18px;color:rgba(255,234,242,.75)}.footer-group h2{font-size:16px;color:#fff;margin-bottom:14px}.footer-group a{min-height:34px;display:block;color:rgba(255,234,242,.78)}.footer-bottom{padding:24px 20px 100px;text-align:center;border-top:1px solid rgba(255,255,255,.1);color:rgba(255,234,242,.68);font-size:14px}.footer-bottom p+p{margin-top:8px}
.menu-overlay{position:fixed;inset:0;z-index:109;background:rgba(48,37,43,.34);opacity:0;visibility:hidden;pointer-events:none;transition:.22s}.menu-overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.channel-panel{position:fixed;z-index:110;left:0;right:0;top:var(--header);max-height:calc(100vh - var(--header));overflow-y:auto;padding:30px max(24px,calc((100vw - var(--max))/2));background:#fff;border-bottom:1px solid var(--border);box-shadow:var(--shadow-strong);opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-16px);transition:.22s}.channel-panel.is-open{opacity:1;visibility:visible;pointer-events:auto;transform:none}.panel-head{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:24px}.panel-head h2{font-size:28px}.panel-close,.drawer-close{width:44px;height:44px;border:0;border-radius:50%;background:var(--gray-soft);color:var(--title);font-size:28px;cursor:pointer}.channel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}.channel-column h3{margin-bottom:12px;color:var(--berry)}.channel-column a{display:block;padding:13px 0;border-top:1px solid rgba(255,92,152,.11)}.channel-column strong{display:block;color:var(--title)}.channel-column span{display:block;margin-top:4px;color:var(--muted);font-size:13px;line-height:1.55}.mobile-drawer{position:fixed;z-index:111;inset:0 0 0 auto;width:min(88vw,380px);overflow-y:auto;background:#fff;transform:translateX(105%);visibility:hidden;pointer-events:none;transition:.24s}.mobile-drawer.is-open{transform:none;visibility:visible;pointer-events:auto}.drawer-head{position:sticky;top:0;z-index:2;min-height:76px;padding:12px 18px;display:flex;align-items:center;justify-content:space-between;background:rgba(255,255,255,.96);border-bottom:1px solid var(--border)}.drawer-brand{min-height:44px;display:flex;align-items:center}.drawer-links{padding:12px 18px 36px}.drawer-links a{min-height:50px;display:flex;align-items:center;border-bottom:1px solid rgba(255,92,152,.1)}.mobile-bottom-nav{display:none}
@media(max-width:1080px){.header-inner{grid-template-columns:1fr auto 1fr 46px;gap:10px}.desktop-nav{gap:12px}.nav-link{font-size:14px}.site-brand{min-width:140px}.principles{grid-template-columns:repeat(3,1fr)}.footer-inner{grid-template-columns:1.4fr repeat(2,1fr)}}
@media(max-width:820px){:root{--header:68px}.header-inner{grid-template-columns:1fr auto 46px;padding:0 16px}.desktop-nav{display:none}.site-brand{min-width:0;justify-content:flex-start}.site-brand img{max-width:140px}.mobile-experience{min-height:44px;padding:0 16px;display:inline-flex;align-items:center;border-radius:999px;color:#fff;background:var(--gradient);font-weight:760}.menu-toggle{width:44px;height:44px}.container{width:min(calc(100% - 32px),var(--max))}.section{padding:64px 0}.hero{padding-top:52px}.hero-grid{grid-template-columns:1fr;gap:18px}.hero-center{grid-row:1}.hero-side{padding:20px}.hero-visual{min-height:260px;margin-top:26px}.grid-3,.grid-4,.grid-5,.grid-6,.interest-grid{grid-template-columns:1fr 1fr}.feature-story,.app-feature,.grid-2,.page-hero .container,.article-layout{grid-template-columns:1fr}.phone-mock{min-height:420px;order:2}.principles{grid-template-columns:1fr 1fr}.side-nav{position:static}.channel-panel{display:none}.footer-inner{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.mobile-bottom-nav{position:fixed;z-index:95;left:12px;right:12px;bottom:calc(10px + env(safe-area-inset-bottom));min-height:64px;padding:6px;display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--border);border-radius:22px;background:rgba(255,255,255,.96);box-shadow:var(--shadow-strong);backdrop-filter:blur(18px)}.mobile-bottom-nav a{min-height:52px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;border-radius:16px;color:var(--muted);font-size:12px}.mobile-bottom-nav a span{font-size:18px;line-height:1}.mobile-bottom-nav a.is-active{color:var(--berry);background:var(--pink-soft)}.site-footer{padding-bottom:72px}}
@media(max-width:560px){h1{font-size:38px}h2{font-size:30px}.section{padding:54px 0}.grid-3,.grid-4,.grid-5,.grid-6,.interest-grid,.principles{grid-template-columns:1fr}.card,.article-section,.callout{padding:22px}.hero-visual{min-height:230px}.hero-visual:after{font-size:26px}.btn-row{display:grid;grid-template-columns:1fr}.btn{width:100%}.footer-inner{grid-template-columns:1fr;padding-top:54px}.footer-brand{grid-column:auto}.footer-bottom{padding-bottom:110px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}