:root{
    --blue:#dff3ff;
    --blue-deep:#3b8bbf;
    --yellow:#fff3c8;
    --orange:#f4a15d;
    --orange-soft:#ffe0c2;
    --white:#ffffff;
    --ink:#263248;
    --muted:#6b7280;
    --line:#e7edf5;
    --shadow:0 18px 45px rgba(61,111,146,.14);
    --radius:28px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:#fffdf8;line-height:1.75}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1180px,92%);margin:0 auto}.section{padding:76px 0}.section-soft{background:linear-gradient(135deg,#f2fbff 0%,#fff8dc 58%,#fff 100%)}.section-warm{background:linear-gradient(135deg,#fff7dc 0%,#fff 56%,#ffe9d3 100%)}.section-blue{background:linear-gradient(135deg,#e4f6ff 0%,#fff 68%)}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,253,248,.92);backdrop-filter:blur(16px);border-bottom:1px solid rgba(231,237,245,.8)}
.header-inner{height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand,.footer-brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:22px}.brand img,.footer-brand img{border-radius:12px}.site-nav{display:flex;align-items:center;gap:8px}.site-nav a{padding:10px 14px;border-radius:999px;color:#43506b;font-weight:600}.site-nav a:hover,.site-nav a.active{background:var(--blue);color:#17618f}.nav-toggle{display:none;background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px;gap:4px;flex-direction:column}.nav-toggle span{width:22px;height:2px;background:var(--ink);display:block;border-radius:2px}
.hero{padding:88px 0 76px}.hero-grid,.page-hero-grid,.two-col{display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:54px}.hero h1,.page-hero h1{font-size:clamp(34px,5vw,58px);line-height:1.15;margin:12px 0 20px;letter-spacing:-.03em}.lead{font-size:18px;color:#536070}.eyebrow{display:inline-flex;align-items:center;gap:8px;margin:0 0 10px;color:#2576a5;font-weight:800}.eyebrow:before{content:"";width:10px;height:10px;border-radius:50%;background:var(--orange);box-shadow:14px 0 0 #7cc8e8}.hero-actions{display:flex;gap:14px;margin:30px 0 22px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:999px;padding:13px 22px;font-weight:800;cursor:pointer;box-shadow:0 12px 26px rgba(244,161,93,.18)}.btn.primary{background:linear-gradient(135deg,#ffb36e,#f48653);color:#fff}.btn.secondary{background:#fff;color:#276782;border:1px solid var(--line)}.trust-notes{display:flex;flex-wrap:wrap;gap:10px}.trust-notes span,.tag,.week-badge{display:inline-flex;border-radius:999px;background:#fff;border:1px solid var(--line);padding:6px 12px;color:#4d6276;font-size:14px;font-weight:700}.hero-visual,.feature-panel{background:#fff;border-radius:34px;padding:20px;box-shadow:var(--shadow)}.section-heading{text-align:center;max-width:760px;margin:0 auto 38px}.section-heading h2,.two-col h2,.narrative h2,.contact-card h2{font-size:clamp(28px,3vw,40px);line-height:1.2;margin:0 0 14px}.section-heading p{color:var(--muted)}
.cards{display:grid;gap:22px}.cards.three{grid-template-columns:repeat(3,1fr)}.cards.four{grid-template-columns:repeat(4,1fr)}.card,.topic-card,.value-card,.guide-card,.contact-card,.feedback-form,.video-feature,.media-item,.filter-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}.card h3,.topic-card h3{margin:14px 0 8px;font-size:21px}.card p,.topic-card p,.value-card p,.guide-card p{color:var(--muted)}.age-card img{height:120px;margin:auto}.icon-card img{height:130px;margin:auto}.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.topic-card img{height:170px;margin:0 auto 12px}.check-list{padding:0;margin:20px 0;list-style:none}.check-list li{position:relative;padding-left:30px;margin:10px 0;color:#4d5c6d}.check-list li:before{content:"✓";position:absolute;left:0;top:0;color:#2389b7;font-weight:900}.text-link{display:inline-flex;color:#17618f;font-weight:800;border-bottom:2px solid #93d5ed}.image-stack{display:grid;gap:18px}.image-stack img,.rounded-visual{border-radius:30px;background:#fff;box-shadow:var(--shadow);padding:18px}.reverse{grid-template-columns:.95fr 1.05fr}.steps{display:flex;flex-wrap:wrap;gap:12px;margin:20px 0}.steps span{background:#fff;border:1px solid var(--line);border-radius:16px;padding:10px 14px;font-weight:800}.weekly-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.weekly-grid article{background:#fff;border-radius:30px;padding:30px;border:1px solid var(--line)}.weekly-grid h3{font-size:24px;margin:14px 0 10px}.video-card{overflow:hidden;padding:0}.video-card img{width:100%;background:var(--blue)}.card-body{padding:22px}.feedback-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.feedback-grid blockquote{margin:0;background:#fff;border:1px solid var(--line);border-radius:30px;padding:26px;box-shadow:var(--shadow)}.feedback-grid img{width:74px;height:74px;border-radius:50%;margin-bottom:14px}.feedback-grid p{color:#4e5b69}.feedback-grid cite{font-style:normal;color:#2576a5;font-weight:800}.faq-list{display:grid;gap:14px;max-width:920px;margin:0 auto}.faq-list details{background:#fff;border:1px solid var(--line);border-radius:22px;padding:18px 22px;box-shadow:0 10px 24px rgba(61,111,146,.08)}.faq-list summary{cursor:pointer;font-weight:800;font-size:18px}.faq-list p{color:var(--muted);margin-bottom:0}.contact-strip{padding-top:36px}.strip-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;background:linear-gradient(135deg,#fff3c8,#e3f6ff);border-radius:34px;padding:34px;box-shadow:var(--shadow)}
.site-footer{background:#233246;color:#edf8ff;padding:58px 0 24px}.footer-grid{display:grid;grid-template-columns:1.4fr .7fr .7fr 1fr;gap:28px}.site-footer a{display:block;color:#d9eff8;margin:8px 0}.site-footer h3{margin:0 0 10px}.site-footer p{color:#c8d8e2}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:34px;padding-top:18px}.domain-line span,.update-time{font-weight:800;color:#fff}
.page-hero{padding:74px 0}.page-hero img{background:#fff;border-radius:34px;padding:18px;box-shadow:var(--shadow)}.values-grid,.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.value-card span,.guide-card span{display:inline-flex;width:50px;height:50px;align-items:center;justify-content:center;border-radius:16px;background:var(--blue);font-weight:900;color:#17618f}.value-card h2,.guide-card h2{font-size:24px;margin:18px 0 10px}.principles{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:22px}.principles div{background:#fff;border:1px solid var(--line);border-radius:22px;padding:18px}.principles strong{display:block;font-size:20px}.principles span{color:var(--muted)}.narrative{max-width:880px}.narrative p{font-size:17px;color:#526273}.list-layout{display:grid;grid-template-columns:260px 1fr;gap:28px;align-items:start}.filter-box{position:sticky;top:100px}.chip{display:block;width:100%;text-align:left;border:1px solid var(--line);background:#fff;border-radius:16px;padding:12px 14px;margin:10px 0;font-weight:800;cursor:pointer;color:#506174}.chip.active,.chip:hover{background:var(--blue);color:#17618f}.media-list{display:grid;gap:18px}.media-item{display:grid;grid-template-columns:180px 1fr;gap:22px;align-items:center}.media-item img{border-radius:24px;background:var(--blue)}.media-item h2{font-size:25px;margin:8px 0}.number-list{padding-left:20px}.number-list li{margin:12px 0;color:#536070}.age-timeline{display:grid;gap:24px}.age-timeline article{display:grid;grid-template-columns:180px 1fr;gap:28px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:30px;padding:24px;box-shadow:var(--shadow)}.age-timeline img{border-radius:24px;background:#f2fbff}.tag-cloud{display:flex;flex-wrap:wrap;justify-content:center;gap:12px}.tag-cloud span{padding:12px 16px;border-radius:999px;background:#fff;border:1px solid var(--line);font-weight:800}.routine-box{background:#fff;border:1px solid var(--line);border-radius:22px;padding:20px;margin-top:22px}.routine-box strong,.routine-box span{display:block}.routine-box span{color:var(--muted);margin-top:6px}.question-box{text-align:center}.question-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:24px}.question-grid p{background:#fff;border:1px solid var(--line);border-radius:22px;padding:18px;font-weight:800;box-shadow:var(--shadow)}.video-grid-large{display:grid;gap:24px}.video-feature{display:grid;grid-template-columns:280px 1fr;gap:28px;align-items:center}.video-feature img{border-radius:26px;background:var(--blue)}.video-feature h2{font-size:28px;margin:10px 0}.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:28px;align-items:start}.host-list{display:grid;gap:12px;margin-top:18px}.host-list span{display:block;background:#f5fbff;border:1px solid var(--line);border-radius:16px;padding:12px;overflow-wrap:anywhere}.feedback-form{display:grid;gap:16px}.feedback-form h2{margin:0}.feedback-form label{display:grid;gap:8px;font-weight:800;color:#44546a}.feedback-form input,.feedback-form select,.feedback-form textarea{width:100%;border:1px solid var(--line);border-radius:16px;padding:13px 14px;font:inherit;background:#fff}.form-note{color:var(--muted);font-size:14px;margin:0}
@media (max-width:980px){.hero-grid,.page-hero-grid,.two-col,.reverse,.contact-grid{grid-template-columns:1fr}.cards.four,.cards.three,.topic-grid,.feedback-grid,.values-grid,.guide-grid,.footer-grid{grid-template-columns:1fr 1fr}.list-layout{grid-template-columns:1fr}.filter-box{position:static}.question-grid{grid-template-columns:1fr 1fr}.site-nav{position:absolute;left:4%;right:4%;top:78px;background:#fff;border:1px solid var(--line);border-radius:24px;padding:16px;display:none;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.site-nav.open{display:flex}.nav-toggle{display:flex}.site-nav a{display:block}.strip-inner{align-items:flex-start;flex-direction:column}}
@media (max-width:640px){.section{padding:54px 0}.hero{padding:58px 0}.cards.four,.cards.three,.topic-grid,.feedback-grid,.values-grid,.guide-grid,.weekly-grid,.footer-grid{grid-template-columns:1fr}.media-item,.age-timeline article,.video-feature{grid-template-columns:1fr}.media-item img,.video-feature img{width:100%}.question-grid{grid-template-columns:1fr}.header-inner{height:70px}.site-nav{top:70px}.brand{font-size:19px}.hero-actions{flex-direction:column}.btn{width:100%}.strip-inner{padding:24px}.contact-card,.feedback-form,.card,.topic-card,.value-card,.guide-card{padding:20px}}