:root{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;color:#1d2320;background:#fbfaf6}*{box-sizing:border-box}body{margin:0}button,input{font:inherit}button{border:0;border-radius:8px;background:#16211d;color:#fff;padding:13px 22px;cursor:pointer}.loading,.success{display:grid;place-items:center;min-height:100vh;padding:28px;text-align:center}.success{align-content:center;gap:18px}.success p,.section p,.hero-copy p,.learn-head p{margin:0;color:#7d7c72}.success h1{margin:0;font-size:42px}.page{padding-bottom:88px}.hero{position:relative;isolation:isolate;overflow:hidden;min-height:92vh;display:flex;flex-direction:column;padding:22px 22px 72px;background:#eee9dd}.hero:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;z-index:-2;background-image:url(/images/yinian-hero-v1.webp);background-position:64% center;background-size:cover;transform:scale(1.015)}.hero:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;z-index:-1;background:linear-gradient(90deg,#faf7eff7,#faf7efdb 32%,#faf7ef4d 58%,#faf7ef14 78%),linear-gradient(180deg,#ffffff1f 55%,#fbfaf6)}nav{width:min(1120px,100%);margin:0 auto;display:flex;justify-content:space-between;align-items:center;color:#1c221f}nav strong{font-size:18px}nav span{color:#78766d}.hero-copy{width:min(1120px,100%);display:grid;justify-items:start;gap:20px;margin:clamp(82px,14vh,150px) auto auto;text-align:left}.hero-copy h1{margin:0;font-size:clamp(48px,12vw,104px);font-weight:680}.hero-copy>span{max-width:560px;color:#4d5550;font-size:20px;line-height:1.7}.price{display:flex;justify-content:flex-start;align-items:baseline;gap:14px}.price strong{font-size:34px}.price del{color:#99958a}.section{max-width:940px;margin:0 auto;padding:76px 22px}.section h2{margin:12px 0 0;font-size:clamp(28px,6vw,54px);line-height:1.18;font-weight:650}.quiet ul,.soft-list{display:grid;gap:14px;margin:32px 0 0;padding:0;list-style:none;color:#4e5651;font-size:19px;line-height:1.7}.grid-section{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.grid-section article{min-height:180px;display:grid;align-content:space-between;padding:22px;border:1px solid #ebe5d8;border-radius:8px;background:#fffdfa}.grid-section article span{width:28px;height:2px;background:#b8a474}.grid-section h3{margin:0;font-size:24px;line-height:1.35}.chips{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.chips span{border:1px solid #dfd7c7;border-radius:999px;padding:10px 15px;color:#4d5650}.catalog{display:grid;gap:10px;margin-top:28px}.catalog article,.lesson-list article{display:flex;justify-content:space-between;gap:16px;border-bottom:1px solid #e9e2d5;padding:18px 0}.catalog small,.lesson-list small{display:block;margin-bottom:8px;color:#888277}.catalog strong,.lesson-list strong{display:block;font-size:18px}.catalog span,.lesson-list span,.service span{color:#74746b}.teacher{text-align:center}.faq details{border-bottom:1px solid #e9e2d5;padding:20px 0}.faq summary{cursor:pointer;font-size:20px;font-weight:600}.faq details span{display:block;margin-top:12px;color:#565f58;line-height:1.7}.buybar{position:fixed;left:50%;bottom:16px;transform:translate(-50%);width:min(920px,calc(100% - 24px));display:flex;justify-content:space-between;align-items:center;gap:12px;border:1px solid rgba(220,213,199,.9);border-radius:8px;background:#fffdfaeb;padding:12px;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);box-shadow:0 18px 60px #1a18121f}.buybar div{display:grid;gap:2px}.buybar strong{font-size:20px}.buybar span{color:#757268;font-size:14px}.learn{max-width:980px;margin:0 auto;padding:22px}.learn-head{display:flex;gap:18px;align-items:center;margin-bottom:28px}.learn-head button{background:#ece6da;color:#18211d}.learn-head h1{margin:6px 0 0}.player{display:grid;gap:18px}.player-stage{position:relative;overflow:hidden;width:100%;aspect-ratio:16 / 9;border-radius:18px;background:#0b0d0c;box-shadow:0 18px 50px #12181529}.video-placeholder{width:100%;height:100%;display:grid;place-items:center;background:linear-gradient(145deg,#101613,#202a25);color:#f6efe3}.player-status{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;gap:10px;color:#fff;background:#0a0e0cad;pointer-events:none}.player-status span{width:18px;height:18px;border:2px solid rgba(255,255,255,.35);border-top-color:#fff;border-radius:50%;animation:player-spin .8s linear infinite}@keyframes player-spin{to{transform:rotate(360deg)}}.player-meta{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.player-meta small{display:block;margin-bottom:6px;color:#8a8377}.player-meta h2{margin:0;font-size:clamp(24px,4vw,36px)}.preview-tag{flex:0 0 auto;border:1px solid #d8cdb9;border-radius:999px;padding:6px 11px;color:#756d60;font-size:13px}.lesson-list{margin-top:28px}.player video{display:block;width:100%;height:100%;object-fit:contain;background:#0b0d0c}.lesson-list article{cursor:pointer;border-radius:12px;padding-left:12px;padding-right:12px}.lesson-list article.active{background:#f0eadf}.checkout-card{width:min(460px,100%);display:grid;grid-template-columns:1fr auto;gap:16px 28px;border:1px solid #ded7cb;border-radius:10px;background:#fffdfa;padding:24px;text-align:left}.checkout-card span,.checkout small{color:#7d7c72}.checkout-actions{display:flex;gap:12px}.secondary,.checkout-actions .secondary{background:#ece6da;color:#18211d}button:disabled{cursor:wait;opacity:.65}.mock-qr{width:210px;aspect-ratio:1;display:grid;place-items:center;border:14px solid #fff;outline:1px solid #ded7cb;background:repeating-conic-gradient(#17211d 0,#17211d 25%,#fff 0,#fff 50%) 0 0 / 28px 28px}.mock-qr span{padding:10px;background:#fff;color:#17211d;font-weight:800}.account{max-width:980px;margin:0 auto;padding:28px 22px 60px}.account-head,.account-row{display:flex;align-items:center;justify-content:space-between;gap:18px}.account-head{margin-bottom:28px}.account-head p,.account-head h1{margin:0}.account-panel{margin-top:18px;border:1px solid #e2dbcf;border-radius:10px;background:#fffdfa;padding:24px}.account-row{padding:18px 0;border-top:1px solid #eee7dc}.account-row div,.order-meta{display:grid;gap:6px}.account-row span{color:#7d7c72}.order-meta{text-align:right}.account-link{padding:8px 14px;background:transparent;color:#4f554f;border:1px solid #d7d0c4}.form-message{color:#a13d2d}.product-section{max-width:1120px}.product-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:32px}.product-card{display:grid;align-content:start;gap:16px;min-height:310px;padding:26px;border:1px solid #e2dbcf;border-radius:12px;background:#fffdfa}.product-card.vip{color:#fff8e8;border-color:#35463e;background:linear-gradient(145deg,#18221e,#31433b)}.product-card h3{margin:0;font-size:30px}.product-card p{margin:0;color:#77776e;line-height:1.7}.product-card.vip p{color:#d8d5c8}.product-type{width:fit-content;border:1px solid #d8cdb9;border-radius:999px;padding:6px 10px;color:#756d60;font-size:13px}.product-card.vip .product-type{color:#f1dfad;border-color:#877a55}.gift-line{color:#a36d2f!important}.product-price{display:flex;align-items:baseline;flex-wrap:wrap;gap:10px;margin-top:auto}.product-price strong{font-size:30px}.product-price del{color:#99958a}.product-price span{color:#a36d2f;font-size:14px}.product-card.vip button{background:#f1dfad;color:#18221e}.login-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;display:grid;place-items:center;padding:20px;background:#0f14128f;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.login-dialog{position:relative;width:min(420px,100%);border:1px solid rgba(225,217,204,.9);border-radius:22px;padding:34px;background:#fffdfa;box-shadow:0 28px 90px #080c0a40}.login-close{position:absolute;top:14px;right:14px;width:36px;height:36px;padding:0;border-radius:50%;background:#f0ece4;color:#4f554f;font-size:24px;line-height:1}.login-brand{margin:0 0 22px;color:#82765e;font-size:14px;letter-spacing:.22em}.login-dialog h2{margin:0;font-size:32px}.login-intro{margin:10px 0 24px;color:#73776f;line-height:1.65}.wechat-login,.phone-login{width:100%;min-height:50px}.wechat-login{background:#07c160}.login-divider{display:flex;align-items:center;gap:12px;margin:20px 0;color:#99958a;font-size:13px}.login-divider:before,.login-divider:after{content:"";flex:1;height:1px;background:#e7e0d5}.phone-field{display:grid;grid-template-columns:auto 1fr;align-items:center;gap:12px;border:1px solid #d9d2c6;border-radius:12px;padding:0 14px;background:#fff}.phone-field>span{padding-right:12px;border-right:1px solid #e4ddd2;color:#5e645f}.phone-field input{width:100%;min-width:0;height:52px;border:0;outline:0;background:transparent}.phone-login{margin-top:14px}.login-error{margin:10px 0 0;color:#b13e31;font-size:14px}.wechat-pending,.login-policy{display:block;margin-top:14px;color:#8a867c;text-align:center;line-height:1.5}.login-policy{margin-top:8px;font-size:12px}@media (max-width: 720px){.hero{min-height:88vh;padding-bottom:60px}.hero:before{background-position:68% center}.hero:after{background:linear-gradient(90deg,#faf7eff5,#faf7efc7 62%,#faf7ef29),linear-gradient(180deg,transparent 56%,#fbfaf6 100%)}.hero-copy{max-width:88%;margin:clamp(76px,12vh,110px) 0 auto}.hero-copy h1{font-size:clamp(52px,17vw,78px)}.hero-copy>span{max-width:88%;font-size:17px}.grid-section,.product-grid{grid-template-columns:1fr}.catalog article,.lesson-list article,.account-row{display:grid}.login-row{grid-template-columns:1fr}.account-head{align-items:flex-start;flex-wrap:wrap}.checkout-actions{width:100%}.checkout-actions button{flex:1}.order-meta{text-align:left}}@media (max-width: 720px){.learn{padding:14px}.learn-head{margin-bottom:18px}.player-stage{border-radius:12px}.login-overlay{align-items:end;padding:0}.login-dialog{width:100%;border-radius:22px 22px 0 0;padding:30px 22px max(24px,env(safe-area-inset-bottom))}}
