/* Guide library */
.header nav a.active{color:var(--green);position:relative}.header nav a.active:after{content:'';position:absolute;left:0;right:0;bottom:-9px;height:2px;border-radius:2px;background:var(--green)}
.guide-page,.article-page{background:#f8faf9}.guide-hero{background:linear-gradient(135deg,#effaf4 0%,#f7fbf9 58%,#eef5ff 100%);border-bottom:1px solid var(--line)}.guide-hero-inner{min-height:350px;display:flex;align-items:center;justify-content:space-between;gap:50px}.guide-hero h1{font-size:46px;line-height:1.2;margin:12px 0 15px}.guide-hero p{font-size:17px;max-width:590px;margin:0}.guide-hero-art{width:280px;height:230px;position:relative;display:grid;place-items:center;flex:none}.guide-orb{width:170px;height:170px;border-radius:42px;transform:rotate(-6deg);background:#fff;padding:24px;box-shadow:0 24px 60px #0b755b20;border:1px solid #d9eee5}.guide-orb img{width:100%;height:100%;object-fit:cover;border-radius:26px;transform:rotate(6deg)}.spark{position:absolute;color:#6557df;font-size:36px}.spark-one{left:12px;top:20px}.spark-two{right:5px;bottom:30px;color:#16a67e;font-size:28px}.guide-library{padding-top:54px;padding-bottom:80px}.guide-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:24px}.guide-heading h2{font-size:31px;margin:7px 0 0;letter-spacing:-.8px}.guide-heading p{margin:0}.guide-filters{display:flex;flex-wrap:wrap;gap:10px;margin:28px 0 16px}.guide-filters button{border:1px solid #d9e2de;background:#fff;border-radius:9px;padding:11px 17px;font:600 14px inherit;color:#435852;cursor:pointer}.guide-filters button:hover{border-color:#87bdab;color:var(--green)}.guide-filters button.is-active{background:var(--green);border-color:var(--green);color:#fff;box-shadow:0 7px 18px #08796822}.guide-result-count{font-size:14px;margin:0 0 26px}.guide-result-count strong{color:var(--ink)}.guide-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.guide-card{background:#fff;border:1px solid #dfe7e3;border-radius:20px;padding:27px;box-shadow:0 8px 28px #153d2c08;display:flex;flex-direction:column;min-height:450px;transition:transform .2s,border-color .2s,box-shadow .2s}.guide-card:hover{transform:translateY(-3px);border-color:#a8cfc0;box-shadow:0 16px 38px #153d2c10}.guide-card[hidden]{display:none}.guide-card-top{display:flex;align-items:center;justify-content:space-between}.guide-icon{width:62px;height:62px;border:1px solid #dce8e3;border-radius:17px;background:#fff;display:grid;place-items:center;box-shadow:0 4px 16px #153d2c0a}.guide-icon img{width:42px;height:42px;object-fit:cover;border-radius:12px}.guide-icon-lock{background:linear-gradient(145deg,#0d826f,#42bea1);border:0;color:#fff;font-size:27px}.guide-label{font-size:12px;color:var(--green);font-weight:700;background:#eff8f4;border-radius:20px;padding:6px 11px}.guide-card h3{font-size:24px;line-height:1.35;letter-spacing:-.55px;margin:23px 0 9px}.guide-card>p{font-size:15px;margin:0 0 20px}.guide-card-details{display:flex;gap:18px;border-top:1px solid #edf1ef;border-bottom:1px solid #edf1ef;padding:14px 0;color:#63746e;font-size:13px}.guide-card ul{margin:18px 0 22px;padding:0;list-style:none}.guide-card li{position:relative;padding-left:23px;margin:8px 0;color:#465b55;font-size:14px}.guide-card li:before{content:'✦';position:absolute;left:0;color:#8f67e8}.guide-card>a{margin-top:auto;border-top:1px solid #edf1ef;padding-top:18px;color:var(--green);font-weight:700;display:flex;justify-content:space-between}.guide-card>a:hover span{transform:translateX(4px)}.guide-card>a span{transition:transform .2s}.guide-empty{text-align:center;background:#fff;border:1px dashed #b9cbc4;border-radius:16px;padding:45px 20px}.guide-empty strong{font-size:19px}.guide-empty p{margin:6px 0 0}

/* Guide articles */
.article-main{padding:30px 0 80px}.article-main .breadcrumbs{padding:0;margin:0 0 24px}.article-hero{background:linear-gradient(135deg,#133f37 0%,#0f7565 65%,#20a685 100%);color:#fff;border-radius:22px;padding:54px 58px;margin-bottom:30px;position:relative;overflow:hidden}.article-hero:after{content:'';position:absolute;width:250px;height:250px;border:60px solid #ffffff12;border-radius:50%;right:-70px;top:-90px}.article-hero h1{font-size:43px;line-height:1.2;margin:15px 0 13px;position:relative;z-index:1}.article-hero p{color:#d8eee6;font-size:16px;max-width:700px;margin:0;position:relative;z-index:1}.article-pill{display:inline-block;color:#d9fff0;background:#ffffff17;border:1px solid #ffffff2b;border-radius:20px;padding:6px 11px;font-size:11px;font-weight:700;letter-spacing:1.2px}.article-meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px;position:relative;z-index:1}.article-meta span{font-size:12px;background:#ffffff12;border:1px solid #ffffff26;border-radius:7px;padding:6px 10px}.article-layout{display:grid;grid-template-columns:245px minmax(0,1fr);gap:30px;align-items:start}.article-toc,.feature-index{position:sticky;top:105px;background:#fff;border:1px solid var(--line);border-radius:15px;padding:20px}.article-toc strong,.feature-index>strong{display:block;margin-bottom:13px;font-size:14px}.article-toc a,.feature-index a{display:flex;align-items:center;gap:10px;color:#52665f;padding:9px 0;font-size:13px;border-top:1px solid #eef2f0}.article-toc a:hover,.feature-index a:hover{color:var(--green)}.article-toc a span,.feature-index a span{font-size:10px;color:#8c9a95;font-weight:700}.article-content,.feature-content{min-width:0}.notice-box,.tip-box,.success-box,.help-box{border-radius:14px;padding:21px 23px;margin-bottom:24px}.notice-box{background:#eef8f4;border:1px solid #d4eadf}.notice-box strong,.tip-box strong,.success-box strong{color:var(--ink)}.notice-box p,.tip-box p,.success-box p{margin:5px 0 0;font-size:14px}.guide-step{background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px;margin-bottom:23px;scroll-margin-top:110px}.step-heading{display:flex;align-items:center;gap:16px;margin-bottom:16px}.step-heading>span{width:50px;height:50px;display:grid;place-items:center;background:var(--green);color:#fff;border-radius:14px;font-size:17px;font-weight:800;box-shadow:0 8px 18px #08796826}.step-heading small{display:block;color:var(--green);font-size:10px;font-weight:700;letter-spacing:1.3px}.step-heading h2{font-size:24px;line-height:1.35;margin:2px 0 0}.guide-step>p{font-size:15px;line-height:1.8}.guide-step a{color:var(--green);font-weight:700;text-decoration:underline}.guide-step ol{padding-left:23px;color:#4f625c}.guide-step li{padding:4px 0}.guide-step figure{margin:22px 0 7px;border-radius:13px;overflow:hidden;border:1px solid #dde6e2;background:#f6f8f7}.guide-step figure img{display:block;width:100%;height:auto}.guide-step figure.figure-small{max-width:620px;margin-left:auto;margin-right:auto}.guide-step figcaption{font-size:12px;color:#61716b;padding:10px 13px;background:#fff}.tip-box{background:#fff9e9;border:1px solid #f0ddb0;margin:18px 0}.tip-box p{color:#725b2b}.success-box{display:flex;gap:14px;align-items:flex-start;background:#eaf8ef;border:1px solid #c6e7d1;margin:24px 0 0}.success-box>span{width:32px;height:32px;display:grid;place-items:center;color:#fff;background:#18a369;border-radius:50%;font-weight:800;flex:none}.help-box{background:#173e37;color:#fff;padding:31px;margin-top:28px}.help-box h2{font-size:24px;margin:0 0 7px}.help-box p{color:#cde0d8;max-width:720px;margin:0 0 18px}.help-box .button{background:#c4f4da;color:#163e32}

/* ChatGPT feature guide */
.feature-hero{display:flex;gap:25px;align-items:center}.feature-hero-icon{width:98px;height:98px;background:#fff;border-radius:25px;padding:16px;flex:none;position:relative;z-index:1}.feature-hero-icon img{width:100%;height:100%;object-fit:cover;border-radius:17px}.feature-hero h1{margin-top:8px}.feature-layout{display:grid;grid-template-columns:275px minmax(0,1fr);gap:30px;align-items:start}.feature-index{max-height:calc(100vh - 130px);overflow:auto}.feature-index a{padding:8px 0;line-height:1.35}.feature-item{background:#fff;border:1px solid var(--line);border-radius:15px;margin-bottom:13px;scroll-margin-top:110px;overflow:hidden}.feature-item[open]{border-color:#afd2c4;box-shadow:0 9px 25px #153d2c09}.feature-item summary{list-style:none;display:flex;align-items:center;gap:15px;padding:20px 22px;cursor:pointer;position:relative}.feature-item summary::-webkit-details-marker{display:none}.feature-item summary:after{content:'+';position:absolute;right:21px;font-size:24px;color:var(--green)}.feature-item[open] summary:after{content:'–'}.feature-item summary>span{width:42px;height:42px;display:grid;place-items:center;border-radius:12px;background:#eef7f3;color:var(--green);font-weight:800;font-size:13px;flex:none}.feature-item summary small{display:block;color:var(--green);font-size:9px;letter-spacing:1.1px;font-weight:700}.feature-item summary strong{display:block;font-size:17px;line-height:1.4;margin-top:2px;padding-right:28px}.feature-body{border-top:1px solid #edf1ef;padding:20px 22px 24px}.feature-body>p{margin:0 0 15px;font-size:15px}.prompt-box{background:#f5f8f7;border-left:4px solid var(--green);border-radius:0 10px 10px 0;padding:16px 17px}.prompt-box span{font-size:10px;letter-spacing:1.1px;color:var(--green);font-weight:800}.prompt-box p{color:#334a44;margin:5px 0 0;font-size:14px;line-height:1.75}.feature-note{font-size:12px!important;color:#697b75;margin-top:12px!important}.source-note{text-align:center;font-size:12px;margin-top:20px}.source-note a{color:var(--green);text-decoration:underline}

@media(max-width:1000px){.article-layout{grid-template-columns:210px minmax(0,1fr)}.feature-layout{grid-template-columns:230px minmax(0,1fr)}.guide-hero h1{font-size:39px}.article-hero{padding:45px}.article-hero h1{font-size:37px}}
@media(max-width:760px){.guide-hero-inner{min-height:auto;padding-top:42px;padding-bottom:42px}.guide-hero-art{width:180px;height:180px}.guide-orb{width:130px;height:130px;padding:18px}.guide-grid{grid-template-columns:1fr}.article-layout,.feature-layout{grid-template-columns:1fr}.article-toc,.feature-index{position:static;max-height:none}.article-toc{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 14px}.article-toc strong{grid-column:1/-1}.feature-index{display:none}.article-hero{padding:38px 30px}.feature-hero{align-items:flex-start}.feature-hero-icon{width:78px;height:78px;padding:12px}.article-hero h1{font-size:34px}.guide-step{padding:24px}}
@media(max-width:650px){.header{flex-wrap:wrap;padding-top:10px;padding-bottom:9px}.header .brand{margin-right:auto}.header nav{order:3;width:100%;margin:0;justify-content:space-between;gap:8px;border-top:1px solid #edf1ef;padding-top:8px}.header nav a{font-size:11px;white-space:nowrap}.header nav a.active:after{bottom:-4px}.guide-hero-inner{display:block}.guide-hero h1{font-size:34px}.guide-hero p{font-size:15px}.guide-hero-art{display:none}.guide-library{padding-top:38px;padding-bottom:55px}.guide-heading{display:block}.guide-heading p{margin-top:5px}.guide-filters{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.guide-filters button:first-child{grid-column:1/-1}.guide-filters button{font-size:12px;padding:10px 9px}.guide-card{padding:21px;min-height:420px;border-radius:16px}.guide-card h3{font-size:21px}.article-main{padding-top:20px}.article-hero{padding:31px 22px;border-radius:17px}.article-hero h1{font-size:29px}.article-hero p{font-size:14px}.article-meta{gap:6px}.article-meta span{font-size:10px}.feature-hero{display:block}.feature-hero-icon{margin-bottom:18px}.article-toc{grid-template-columns:1fr}.step-heading{align-items:flex-start}.step-heading>span{width:42px;height:42px;border-radius:12px}.step-heading h2{font-size:20px}.guide-step{padding:19px 17px;border-radius:14px}.notice-box,.tip-box,.success-box,.help-box{padding:18px}.feature-item summary{padding:17px 16px;gap:11px}.feature-item summary>span{width:36px;height:36px}.feature-item summary strong{font-size:15px}.feature-body{padding:17px 16px 20px}.prompt-box{padding:14px}.article-main .breadcrumbs{font-size:11px;overflow:auto;white-space:nowrap}}